
Caribbean - Central America Weather
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
I added this cam from the Dominican Republic on the North Coast to the very long first post of the thread. If anyone has additional cams from any area of the Caribbean / Central America that have not been posted,bring them here and I will add those. This view of cam has been freezed with ImageShack. The first post one updates.


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Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here
and observations from Caribbean basin members Click Here
Re: Caribbean - Central America Weather
VERY COLD LOWS AND VERY WARM HIGHS IN CENTRAL AMERICA
Yesterday was one of those days when the overnight hours are very cold but the afteroons are very warm. The minimum temperatures were some of the coldest of the season but the maximum temperatures were some of the hottest as you will see below.
Minimum Temperatures
-Warmer than normal in Belize. Near normal in Panama. Cooler than normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 26°C (79°F) Warmest since January 13 2012
Mountain Pine Ridge, Belize 19.4°C (66.9°F)
Guatemala city, Guatemala 11.7°C (53.1°F) Coldest since January 6 2012
Quetzaltenango, Guatemala -2.4°C (27.7°F) Coldest since December 4 2011
Zacapa, Guatemala 20°C (68°F)
San Salvador, El Salvador 15.6°C (60.1°F) Coldest since January 6 2012
Las Pilas, El Salvador 6.3°C (43.3°F) Coldest since January 20 2012
Los Naranjos, El Salvador 5.4°C (41.7°C) Coldest temperature in El Salvador since January 6 2012
San Miguel, El Salvador 17.8°C (64.0°F) Coldest since January 21 2012
Tegucigalpa, Honduras 11°C (52°F) Coldest since January 12 2012
La Esperanza, Honduras 4°C (39°F) COLDEST SINCE MARCH 23 2011
Choluteca, Honduras 24°C (75°F)
Managua, Nicaragua 20°C (68°F)
Jinotega, Nicaragua 16°C (61°F)
San Jose, Costa Rica 15.8°C (60.4°F)
Liberia, Costa Rica 20.1°C (68.2°F)
Panama city, Panama 21.1°C (70.0°F)
Boquete, Panama 14.5°C (58.1°F)
Maximum Temperatures
-Warmer than normal in Belize, Guatemala and Honduras. Near normal in Nicaragua, Costa Rica and Panama. Cooler than normal in El Salvador.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 30.8°C (87.4°F) Warmest since September 26 2011
Guatemala city, Guatemala 27.0°C (80.6°F)
Quetzaltenango, Guatemala 23.2°C (73.8°F)
Zacapa, Guatemala 39°C (102°F) WARMEST SINCE MAY 20 2011
San Salvador, El Salvador 30.3°C (86.5°F)
Las Pilas, El Salvador 22.8°C (73.0°F) Warmest since January 8 2012
San Miguel, El Salvador 36.8°C (98.2°F)
Tegucigalpa, Honduras 29°C (84°F)
La Esperanza, Honduras 26°C (79°F) Warmest since September 1 2011
Choluteca, Honduras 38°C (100°F) WARMEST SINCE MAY 9 2011
Managua, Nicaragua 32°C (90°F)
Jinotega, Nicaragua 26°C (79°F) Warmest since November 23 2011
San Jose, Costa Rica 27.7°C (81.9°F)
Liberia, Costa Rica 34.9°C (94.8°F)
Panama city, Panama 33.6°C (92.5°F)
Boquete, Panama 22.0°C (71.6°F)
Yesterday was one of those days when the overnight hours are very cold but the afteroons are very warm. The minimum temperatures were some of the coldest of the season but the maximum temperatures were some of the hottest as you will see below.
Minimum Temperatures
-Warmer than normal in Belize. Near normal in Panama. Cooler than normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 26°C (79°F) Warmest since January 13 2012
Mountain Pine Ridge, Belize 19.4°C (66.9°F)
Guatemala city, Guatemala 11.7°C (53.1°F) Coldest since January 6 2012
Quetzaltenango, Guatemala -2.4°C (27.7°F) Coldest since December 4 2011
Zacapa, Guatemala 20°C (68°F)
San Salvador, El Salvador 15.6°C (60.1°F) Coldest since January 6 2012
Las Pilas, El Salvador 6.3°C (43.3°F) Coldest since January 20 2012
Los Naranjos, El Salvador 5.4°C (41.7°C) Coldest temperature in El Salvador since January 6 2012
San Miguel, El Salvador 17.8°C (64.0°F) Coldest since January 21 2012
Tegucigalpa, Honduras 11°C (52°F) Coldest since January 12 2012
La Esperanza, Honduras 4°C (39°F) COLDEST SINCE MARCH 23 2011
Choluteca, Honduras 24°C (75°F)
Managua, Nicaragua 20°C (68°F)
Jinotega, Nicaragua 16°C (61°F)
San Jose, Costa Rica 15.8°C (60.4°F)
Liberia, Costa Rica 20.1°C (68.2°F)
Panama city, Panama 21.1°C (70.0°F)
Boquete, Panama 14.5°C (58.1°F)
Maximum Temperatures
-Warmer than normal in Belize, Guatemala and Honduras. Near normal in Nicaragua, Costa Rica and Panama. Cooler than normal in El Salvador.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 30.8°C (87.4°F) Warmest since September 26 2011
Guatemala city, Guatemala 27.0°C (80.6°F)
Quetzaltenango, Guatemala 23.2°C (73.8°F)
Zacapa, Guatemala 39°C (102°F) WARMEST SINCE MAY 20 2011
San Salvador, El Salvador 30.3°C (86.5°F)
Las Pilas, El Salvador 22.8°C (73.0°F) Warmest since January 8 2012
San Miguel, El Salvador 36.8°C (98.2°F)
Tegucigalpa, Honduras 29°C (84°F)
La Esperanza, Honduras 26°C (79°F) Warmest since September 1 2011
Choluteca, Honduras 38°C (100°F) WARMEST SINCE MAY 9 2011
Managua, Nicaragua 32°C (90°F)
Jinotega, Nicaragua 26°C (79°F) Warmest since November 23 2011
San Jose, Costa Rica 27.7°C (81.9°F)
Liberia, Costa Rica 34.9°C (94.8°F)
Panama city, Panama 33.6°C (92.5°F)
Boquete, Panama 22.0°C (71.6°F)
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Good morning. Variable weather is expected for the next couple of days with a mix of sun with clouds and some scattered showers moving thru. The winds will be high and that increases the fire danger for the Southern part of PR.
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
504 AM AST SUN FEB 26 2012
.SYNOPSIS...UPPER RIDGE WILL BEGIN TO BREAK DOWN ON MON AS SRN
STREAM TROF AMPLIFIES ACROSS THE SW ATLC INTO THE SRN CARIBBEAN
TUE-WED. STRONG HIGH PRES WILL BUILD ACROSS THE ATLC NEXT 48 HRS
BRINGING WINDY CONDITIONS EARLY IN THE WEEK.
&&
.DISCUSSION...EARLY MORNING SHOWERS WILL WANE RAPIDLY AFTER
SUNRISE WITH A DRIER AND MORE STABLE AIR MASS EXPECTED TO MOVE
IN THIS AFTERNOON. WHILE MODELS SHOW SOME PRECIP ACROSS THE
CORDILLERA MAINLY THE NAM12 AND HI-RES NAM3KM I THINK THEY LOOK
OVERDONE AS STRONG PRES GRADIENT WILL CONTINUE TO DELAY/LIMIT SEA
BREEZE CONVERGENCE/DEVELOPMENT. EXPECT ONCE AGAIN NOCTURNAL
SHOWERS AFTER MIDNIGHT TONIGHT THRU MID MORNING ON MON TO AFFECT
THE ERN HALF OF THE ISLAND AND THE COASTAL WATERS. MAINLY DRY MON
AFTERNOON WITH LINGERING MORNING CLOUDS EXITING QUICKLY IN THE DAY
WITH A SIGNIFICANT FIRE DANGER THREAT FOR THE AFTERNOON.
UPPER RIDGE BEGINS TO BREAK DOWN MON AS SRN STREAM TROF AMPLIFIES
ACROSS THE SW ATLC TO THE SRN CARIBBEAN. LARGE SCALE FORCING AND
UPPER DIFLUENCE ASSOCIATED WITH THIS FEATURE WILL BREAK THE
SUBSIDENCE CAP AND ALLOW MOISTURE AND INSTABILITY TO SURGE/DEEPEN.
EXPECTING OVERCAST SKIES TUE AND A WET DAY. WOULDN`T RULE ISOLD
TSTMS AS K INDICES CLIMB TO 30C AND SHOWALTER INDICES DROP. WITH
SUCH A STRONG WIND FIELD IN THE LOW LEVELS WOULDN`T RULED OUT THAT
30-40 MPH WINDS ARE BROUGHT DOWN WITH SHOWERS EVEN IF NO
THUNDERSTORMS DEVELOP. MID LEVEL SUBSIDENCE/DRYING INCREASES TUE
NIGHT AND WED AS UPPER TROF SWINGS BY. PRES GRADIENT BEGINS TO
RELAX SOME WED WITH A DIMINISHING TREND IN WINDS EXPECTED WED
AFTERNOON THROUGH THE REST OF THE WEEK. UPPER CONFLUENCE AND MID
LEVEL RIDGING ON THE BACK SIDE OF THE TROF AXIS WILL RESULT IN A
GRADUAL INTENSIFICATION OF THE SUBSIDENCE CAP WITH A DOWNWARD
TREND IN POPS FOR THE REST OF THE WEEK.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED TO PREVAIL DURING THE FORECAST
PERIOD. HOWEVER...PASSING SHOWERS MAY BRIEFLY AFFECT TJSJ...TIST/TISX
AND TNCM/TKPK THROUGH ABOUT 26/15Z. SFC WINDS WILL BE FM THE ENE AT
10-15 KTS WITH OCNL HIGHER GUSTS.
&&
.MARINE...SEAS WILL BEGIN TO INCREASE TONIGHT AS WINDS PICK UP.
VERY ROUGH MARINE CONDITIONS EXPECTED MON-TUE WITH WINDS 20-25 KT
AND SEAS 7-9 FT IN ENE WIND WAVES AND NORTH SWELLS. CONDITIONS
BEGIN TO IMPROVE WED AFTERNOON AS WINDS DIMINISH SOMEWHAT AND
SWELLS SUBSIDE.
&&
.FIRE WEATHER...POTENTIAL FOR SIG CLOUD COVER ACROSS THE SOUTH
MAKES ASSESSING THE FIRE WEATHER FORECAST FOR TODAY QUITE
CHALLENGING/DIFFICULT. WHILE WINDS ARE EXPECTED TO BE HIGHLY CRITICAL FOR
FIRE CONTROL AGENCIES A MORE STABLE ATMOSPHERE/WEAKER LAPSE RATES
IS EXPECTED LATER TODAY WHICH SHOULD KEEP THE FIRE INTENSITY DOWN
WHEN COMPARED TO PAST FEW DAYS. MY BEST GUESS IS THAT SOUTHEAST PR
WILL SEE A TEMPORARY RELIEF FOR TODAY ALTHOUGH THE GUSTY WINDS AND
THE DRY FUELS DEFINITELY CAUSE A CONCERN. I BELIEVE THE GREATEST
AREA OF CONCERN FOR TODAY IS NORTHWEST PR WHERE ABUNDANT SUNSHINE
IS EXPECTED AND WINDS WILL BE STRONG AND LOW LEVEL LAPSE RATES
STEEPER. A FIRE DEVELOPED YESTERDAY IN LOIZA AND ONE IN SAN
SEBASTIAN EARLIER IN THE WEEK SUGGESTING THAT FUELS ARE ALSO DRY
IN THE NORTH COAST AND CAN BE BROUGHT EASY TO IGNITION.
A MORE SIG FIRE WEATHER THREAT APPEARS LIKELY ON MON AS UPPER
RIDGE BREAKS DOWN. BREAK DOWN OF THE UPPER RIDGE IS A CRITICAL
FIRE WEATHER PATTERN WELL KNOWN/DOCUMENTED IN THE STATES AND THAT
ALSO APPLIES TO THIS AREA AS WELL. WINDS WILL BE QUITE STRONG IN
THE 20-25 MPH RANGE AND LOW LEVEL LAPSE RATES ARE FCST TO BE STEEP
ENOUGH THROUGH THE DAY WHILE ATMS DRIES OUT RAPIDLY CREATING A
VOLATILE ATMOSPHERE FOR RAPID FIRE SPREAD WITH BOTH WIND AND
CONVECTIVELY DRIVEN FIRES.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 84 74 81 74 / 50 50 50 50
STT 86 75 86 75 / 30 40 40 50
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
504 AM AST SUN FEB 26 2012
.SYNOPSIS...UPPER RIDGE WILL BEGIN TO BREAK DOWN ON MON AS SRN
STREAM TROF AMPLIFIES ACROSS THE SW ATLC INTO THE SRN CARIBBEAN
TUE-WED. STRONG HIGH PRES WILL BUILD ACROSS THE ATLC NEXT 48 HRS
BRINGING WINDY CONDITIONS EARLY IN THE WEEK.
&&
.DISCUSSION...EARLY MORNING SHOWERS WILL WANE RAPIDLY AFTER
SUNRISE WITH A DRIER AND MORE STABLE AIR MASS EXPECTED TO MOVE
IN THIS AFTERNOON. WHILE MODELS SHOW SOME PRECIP ACROSS THE
CORDILLERA MAINLY THE NAM12 AND HI-RES NAM3KM I THINK THEY LOOK
OVERDONE AS STRONG PRES GRADIENT WILL CONTINUE TO DELAY/LIMIT SEA
BREEZE CONVERGENCE/DEVELOPMENT. EXPECT ONCE AGAIN NOCTURNAL
SHOWERS AFTER MIDNIGHT TONIGHT THRU MID MORNING ON MON TO AFFECT
THE ERN HALF OF THE ISLAND AND THE COASTAL WATERS. MAINLY DRY MON
AFTERNOON WITH LINGERING MORNING CLOUDS EXITING QUICKLY IN THE DAY
WITH A SIGNIFICANT FIRE DANGER THREAT FOR THE AFTERNOON.
UPPER RIDGE BEGINS TO BREAK DOWN MON AS SRN STREAM TROF AMPLIFIES
ACROSS THE SW ATLC TO THE SRN CARIBBEAN. LARGE SCALE FORCING AND
UPPER DIFLUENCE ASSOCIATED WITH THIS FEATURE WILL BREAK THE
SUBSIDENCE CAP AND ALLOW MOISTURE AND INSTABILITY TO SURGE/DEEPEN.
EXPECTING OVERCAST SKIES TUE AND A WET DAY. WOULDN`T RULE ISOLD
TSTMS AS K INDICES CLIMB TO 30C AND SHOWALTER INDICES DROP. WITH
SUCH A STRONG WIND FIELD IN THE LOW LEVELS WOULDN`T RULED OUT THAT
30-40 MPH WINDS ARE BROUGHT DOWN WITH SHOWERS EVEN IF NO
THUNDERSTORMS DEVELOP. MID LEVEL SUBSIDENCE/DRYING INCREASES TUE
NIGHT AND WED AS UPPER TROF SWINGS BY. PRES GRADIENT BEGINS TO
RELAX SOME WED WITH A DIMINISHING TREND IN WINDS EXPECTED WED
AFTERNOON THROUGH THE REST OF THE WEEK. UPPER CONFLUENCE AND MID
LEVEL RIDGING ON THE BACK SIDE OF THE TROF AXIS WILL RESULT IN A
GRADUAL INTENSIFICATION OF THE SUBSIDENCE CAP WITH A DOWNWARD
TREND IN POPS FOR THE REST OF THE WEEK.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED TO PREVAIL DURING THE FORECAST
PERIOD. HOWEVER...PASSING SHOWERS MAY BRIEFLY AFFECT TJSJ...TIST/TISX
AND TNCM/TKPK THROUGH ABOUT 26/15Z. SFC WINDS WILL BE FM THE ENE AT
10-15 KTS WITH OCNL HIGHER GUSTS.
&&
.MARINE...SEAS WILL BEGIN TO INCREASE TONIGHT AS WINDS PICK UP.
VERY ROUGH MARINE CONDITIONS EXPECTED MON-TUE WITH WINDS 20-25 KT
AND SEAS 7-9 FT IN ENE WIND WAVES AND NORTH SWELLS. CONDITIONS
BEGIN TO IMPROVE WED AFTERNOON AS WINDS DIMINISH SOMEWHAT AND
SWELLS SUBSIDE.
&&
.FIRE WEATHER...POTENTIAL FOR SIG CLOUD COVER ACROSS THE SOUTH
MAKES ASSESSING THE FIRE WEATHER FORECAST FOR TODAY QUITE
CHALLENGING/DIFFICULT. WHILE WINDS ARE EXPECTED TO BE HIGHLY CRITICAL FOR
FIRE CONTROL AGENCIES A MORE STABLE ATMOSPHERE/WEAKER LAPSE RATES
IS EXPECTED LATER TODAY WHICH SHOULD KEEP THE FIRE INTENSITY DOWN
WHEN COMPARED TO PAST FEW DAYS. MY BEST GUESS IS THAT SOUTHEAST PR
WILL SEE A TEMPORARY RELIEF FOR TODAY ALTHOUGH THE GUSTY WINDS AND
THE DRY FUELS DEFINITELY CAUSE A CONCERN. I BELIEVE THE GREATEST
AREA OF CONCERN FOR TODAY IS NORTHWEST PR WHERE ABUNDANT SUNSHINE
IS EXPECTED AND WINDS WILL BE STRONG AND LOW LEVEL LAPSE RATES
STEEPER. A FIRE DEVELOPED YESTERDAY IN LOIZA AND ONE IN SAN
SEBASTIAN EARLIER IN THE WEEK SUGGESTING THAT FUELS ARE ALSO DRY
IN THE NORTH COAST AND CAN BE BROUGHT EASY TO IGNITION.
A MORE SIG FIRE WEATHER THREAT APPEARS LIKELY ON MON AS UPPER
RIDGE BREAKS DOWN. BREAK DOWN OF THE UPPER RIDGE IS A CRITICAL
FIRE WEATHER PATTERN WELL KNOWN/DOCUMENTED IN THE STATES AND THAT
ALSO APPLIES TO THIS AREA AS WELL. WINDS WILL BE QUITE STRONG IN
THE 20-25 MPH RANGE AND LOW LEVEL LAPSE RATES ARE FCST TO BE STEEP
ENOUGH THROUGH THE DAY WHILE ATMS DRIES OUT RAPIDLY CREATING A
VOLATILE ATMOSPHERE FOR RAPID FIRE SPREAD WITH BOTH WIND AND
CONVECTIVELY DRIVEN FIRES.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 84 74 81 74 / 50 50 50 50
STT 86 75 86 75 / 30 40 40 50
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Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here
and observations from Caribbean basin members Click Here
- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
251 PM AST SUN FEB 26 2012
.SYNOPSIS...UPPER RIDGE WILL BEGIN TO BREAK DOWN ON MONDAY AS SRN
STREAM TROF AMPLIFIES ACROSS THE SOUTHWEST ATLANTIC INTO THE
SOUTHERN CARIBBEAN TUESDAY-WEDNESDAY. STRONG HIGH PRES WILL BUILD ACROSS
THE ATLANTIC NEXT 48 HRS BRINGING WINDY CONDITIONS THROUGH AT
LEAST MID WEEK.
&&
.DISCUSSION...THE UPPER LEVEL RIDGE WILL CONTINUE AS THE MAIN
WEATHER FEATURE ACROSS THE LOCAL ISLANDS THROUGH AT LEAST MONDAY.
THIS FEATURE IN COMBINATION WITH A SURFACE HIGH PRESSURE NORTHEAST
OF THE LOCAL ISLANDS...WILL CONTINUE TO PROMOTE A FAIRLY STABLE
AND A GENERALLY DRY WEATHER PATTERN.
ALTHOUGH THE DRY PATTERN WILL PREVAIL UNTIL TUESDAY...PATCHES OF
SHALLOW LOW LEVEL MOISTURE WILL CONTINUE TO MOVE ACROSS THE LOCAL
ATLANTIC WATERS AND AFFECT THE EASTERN PORTIONS OF PUERTO RICO.
DUE TO STRONG WINDS...SOME SHOWERS COULD MOVE INLAND AND AFFECT
THE INTERIOR SECTIONS OF PUERTO RICO.
A FAIRLY TIGHT PRESSURE GRADIENT IS BEING MAINTAINED BY A HIGH
PRESSURE OVER THE ATLANTIC BASIN AND THE LOWER PRESSURE OVER SOUTH
AMERICA TO GENERATE FRESH TO STRONG EASTERLY TRADE WINDS ACROSS
THE CARIBBEAN BASIN.
THE COMBINATION OF A WEAK COLD FRONT IN THE VICINITY AND DEEP
TROPICAL MOISTURE FROM THE CARIBBEAN WATERS WILL GENERATE A MORE
UNSTABLE CONDITIONS ACROSS THE LOCAL REGION.
&&
.AVIATION...MOSTLY VFR CONDS IS FCST ACROSS THE LOCAL FLYING AREA
AND AT ALL TAF SITES DURG NEXT 24 HOURS. HOWEVER TIL 27/03Z...THE
MODERATE TO STRONG EASTERLY TRADE WINDS WILL BRING PDS OF LOW CLDS
AND PASSING SHOWERS OVR AREAS BTW PR AND THE NORTHERN LEEWARDS. AS
A RESULT THE LOCAL TAFS SITES TJSJ...TIST AND TISX AS WELL AS TNCM
AND TKPN MAY BE BRIEFLY AFFECTED BY THE PASSING SHRA. SFC WINDS WILL
BE FM THE EAST AT 10-15 KTS WITH OCNL HIGHER GUSTS ACCOMPANYING THE
PASSING SHOWER ACTIVITY.
&&
.MARINE...SEAS WILL BEGIN TO INCREASE TONIGHT AS WINDS PICK UP.
VERY ROUGH MARINE CONDITIONS EXPECTED MON-TUE WITH WINDS 20-25 KT
AND SEAS 5-8 FT IN EAST NORTHEAST WIND WAVES. CONDITIONS BEGIN TO
IMPROVE WED AFTERNOON AS WINDS DIMINISH SOMEWHAT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 82 73 82 / 40 40 50 50
STT 75 86 75 86 / 20 20 50 50
NATIONAL WEATHER SERVICE SAN JUAN PR
251 PM AST SUN FEB 26 2012
.SYNOPSIS...UPPER RIDGE WILL BEGIN TO BREAK DOWN ON MONDAY AS SRN
STREAM TROF AMPLIFIES ACROSS THE SOUTHWEST ATLANTIC INTO THE
SOUTHERN CARIBBEAN TUESDAY-WEDNESDAY. STRONG HIGH PRES WILL BUILD ACROSS
THE ATLANTIC NEXT 48 HRS BRINGING WINDY CONDITIONS THROUGH AT
LEAST MID WEEK.
&&
.DISCUSSION...THE UPPER LEVEL RIDGE WILL CONTINUE AS THE MAIN
WEATHER FEATURE ACROSS THE LOCAL ISLANDS THROUGH AT LEAST MONDAY.
THIS FEATURE IN COMBINATION WITH A SURFACE HIGH PRESSURE NORTHEAST
OF THE LOCAL ISLANDS...WILL CONTINUE TO PROMOTE A FAIRLY STABLE
AND A GENERALLY DRY WEATHER PATTERN.
ALTHOUGH THE DRY PATTERN WILL PREVAIL UNTIL TUESDAY...PATCHES OF
SHALLOW LOW LEVEL MOISTURE WILL CONTINUE TO MOVE ACROSS THE LOCAL
ATLANTIC WATERS AND AFFECT THE EASTERN PORTIONS OF PUERTO RICO.
DUE TO STRONG WINDS...SOME SHOWERS COULD MOVE INLAND AND AFFECT
THE INTERIOR SECTIONS OF PUERTO RICO.
A FAIRLY TIGHT PRESSURE GRADIENT IS BEING MAINTAINED BY A HIGH
PRESSURE OVER THE ATLANTIC BASIN AND THE LOWER PRESSURE OVER SOUTH
AMERICA TO GENERATE FRESH TO STRONG EASTERLY TRADE WINDS ACROSS
THE CARIBBEAN BASIN.
THE COMBINATION OF A WEAK COLD FRONT IN THE VICINITY AND DEEP
TROPICAL MOISTURE FROM THE CARIBBEAN WATERS WILL GENERATE A MORE
UNSTABLE CONDITIONS ACROSS THE LOCAL REGION.
&&
.AVIATION...MOSTLY VFR CONDS IS FCST ACROSS THE LOCAL FLYING AREA
AND AT ALL TAF SITES DURG NEXT 24 HOURS. HOWEVER TIL 27/03Z...THE
MODERATE TO STRONG EASTERLY TRADE WINDS WILL BRING PDS OF LOW CLDS
AND PASSING SHOWERS OVR AREAS BTW PR AND THE NORTHERN LEEWARDS. AS
A RESULT THE LOCAL TAFS SITES TJSJ...TIST AND TISX AS WELL AS TNCM
AND TKPN MAY BE BRIEFLY AFFECTED BY THE PASSING SHRA. SFC WINDS WILL
BE FM THE EAST AT 10-15 KTS WITH OCNL HIGHER GUSTS ACCOMPANYING THE
PASSING SHOWER ACTIVITY.
&&
.MARINE...SEAS WILL BEGIN TO INCREASE TONIGHT AS WINDS PICK UP.
VERY ROUGH MARINE CONDITIONS EXPECTED MON-TUE WITH WINDS 20-25 KT
AND SEAS 5-8 FT IN EAST NORTHEAST WIND WAVES. CONDITIONS BEGIN TO
IMPROVE WED AFTERNOON AS WINDS DIMINISH SOMEWHAT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 82 73 82 / 40 40 50 50
STT 75 86 75 86 / 20 20 50 50
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Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here
and observations from Caribbean basin members Click Here
Re: Caribbean - Central America Weather
cycloneye wrote:I added this cam from the Dominican Republic on the North Coast to the very long first post of the thread. If anyone has additional cams from any area of the Caribbean / Central America that have not been posted,bring them here and I will add those. This view of cam has been freezed with ImageShack. The first post one updates.
nice cam shot, Luis
thanks!
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Too many hurricanes to remember
Re: Caribbean - Central America Weather
The minimum temperatures yesterday were not as cool as the day before but they remained pretty comfortable, in the other hand the maximum were not as hot but still uncomfortable.
Minimum Temperatures
-Warmer than normal in Belize. Near normal in Guatemala, El Salvador, Nicaragua, Costa Rica and Panama. Cooler than normal in Honduras.
Belize city, Belize 24°C (75°F)
Mountain Pine Ridge, Belize 19.3°C (66.7°F)
Guatemala city, Guatemala 15.0°C (59.0°F)
Quetzaltenango, Guatemala 3.0°C (37.4°F)
Zacapa, Guatemala 20°C (68°F)
San Salvador, El Salvador 16.8°C (62.2°F)
Las Pilas, El Salvador 8.4°C (47.1°F)
San Miguel, El Salvador 18.8°C (65.8°F)
Tegucigalpa, Honduras 13°C (55°F)
La Esperanza, Honduras 5°C (41°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 21°C (70°F)
Jinotega, Nicaragua 16°C (61°F)
San Jose, Costa Rica 16.7°C (62.1°F)
Liberia, Costa Rica 19.8°C (67.6°F)
Panama city, Panama 22.0°C (71.6°F)
Boquete, Panama 14.6°C (58.3°F)
Maximum Temperatures
-Warmer than normal in Honduras. Near normal in Belize, Guatemala, El Salvador, Costa Rica and Panama. Cooler than normal in Nicaragua.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 27.8°C (82.0°F)
Guatemala city, Guatemala 25.6°C (78.1°F)
Quetzaltenango, Guatemala 20.1°C (68.2°F)
Zacapa, Guatemala 34°C (93°F)
San Salvador, El Salvador 32.5°C (90.5°F)
Las Pilas, El Salvador 18.9°C (66.0°F)
San Miguel, El Salvador 38.3°C (100.9°F)
Tegucigalpa, Honduras 30°C (86°F)
La Esperanza, Honduras 24°C (75°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 31°C (88°F)
Jinotega, Nicaragua 24°C (75°F)
San Jose, Costa Rica 27.8°C (82.0°F)
Liberia, Costa Rica 34.9°C (94.8°F)
Panama city, Panama 33.0°C (91.4°F)
Boquete, Panama 21.8°C (71.2°F)
Minimum Temperatures
-Warmer than normal in Belize. Near normal in Guatemala, El Salvador, Nicaragua, Costa Rica and Panama. Cooler than normal in Honduras.
Belize city, Belize 24°C (75°F)
Mountain Pine Ridge, Belize 19.3°C (66.7°F)
Guatemala city, Guatemala 15.0°C (59.0°F)
Quetzaltenango, Guatemala 3.0°C (37.4°F)
Zacapa, Guatemala 20°C (68°F)
San Salvador, El Salvador 16.8°C (62.2°F)
Las Pilas, El Salvador 8.4°C (47.1°F)
San Miguel, El Salvador 18.8°C (65.8°F)
Tegucigalpa, Honduras 13°C (55°F)
La Esperanza, Honduras 5°C (41°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 21°C (70°F)
Jinotega, Nicaragua 16°C (61°F)
San Jose, Costa Rica 16.7°C (62.1°F)
Liberia, Costa Rica 19.8°C (67.6°F)
Panama city, Panama 22.0°C (71.6°F)
Boquete, Panama 14.6°C (58.3°F)
Maximum Temperatures
-Warmer than normal in Honduras. Near normal in Belize, Guatemala, El Salvador, Costa Rica and Panama. Cooler than normal in Nicaragua.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 27.8°C (82.0°F)
Guatemala city, Guatemala 25.6°C (78.1°F)
Quetzaltenango, Guatemala 20.1°C (68.2°F)
Zacapa, Guatemala 34°C (93°F)
San Salvador, El Salvador 32.5°C (90.5°F)
Las Pilas, El Salvador 18.9°C (66.0°F)
San Miguel, El Salvador 38.3°C (100.9°F)
Tegucigalpa, Honduras 30°C (86°F)
La Esperanza, Honduras 24°C (75°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 31°C (88°F)
Jinotega, Nicaragua 24°C (75°F)
San Jose, Costa Rica 27.8°C (82.0°F)
Liberia, Costa Rica 34.9°C (94.8°F)
Panama city, Panama 33.0°C (91.4°F)
Boquete, Panama 21.8°C (71.2°F)
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Re: Caribbean - Central America Weather
I've updated the Central American cold surges thread with the observations from last week, it wasn't a cold surge properly but as you aready know it produced some of the coldest temperatures of the year so far: http://www.storm2k.org/phpbb2/viewtopic.php?f=22&t=106879&start=80
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
518 AM AST MON FEB 27 2012
.SYNOPSIS...UPPER LEVEL RIDGE WILL CONTINUE TO WEAKEN AS AN UPPER
LEVEL TROUGH ACROSS THE SOUTHWEST ATLANTIC CONTINUES TO AMPLIFY. A
FRESH TO STRONG TRADE WIND FLOW IS EXPECTED TO PREVAIL ACROSS THE
FORECAST AREA THROUGH AT LEAST THE END OF THE WORK WEEK.
&&
.DISCUSSION...CLOUDINESS AND PASSING SHOWERS EMBEDDED IN THE TRADES
RULED DURING THE OVERNIGHT AND EARLY MORNING HOURS. HOWEVER...
RAINFALL ACCUMULATIONS ASSOCIATED WITH THIS SHOWER ACTIVITY WERE
MINIMAL.
UPPER LEVEL RIDGE WILL CONTINUE TO WEAKEN AS AN UPPER LEVEL TROUGH
ACROSS THE SOUTHWEST ATLANTIC CONTINUES TO AMPLIFY. THIS WILL ALLOW
MOISTURE AND INSTABILITY TO DEEPEN ACROSS THE FORECAST AREA...RESULTING
IN A BETTER CHANCE OF CLOUDINESS AND SHOWER ACTIVITY DURING THE
MONDAY-TUESDAY PERIOD. MID LEVEL SUBSIDENCE/DRYING INCREASES ONCE
AGAIN ON WEDNESDAY.
AT LOWER LEVELS...A SURFACE HIGH PRESSURE NORTH OF THE LOCAL AREA
WILL CONTINUE TO PROMOTE A FRESH TO STRONG TRADE WIND FLOW THROUGH
AT LEAST THE END OF THE WORK WEEK. WITH THE PREVAILING WIND FLOW...
PATCHES AND BANDS OF LOW LEVEL MOISTURE WILL CONTINUE TO MOVE INTO
THE LOCAL AREA FROM TIME TO TIME WEDNESDAY THROUGH AT LEAST THE
END OF THE WORK WEEK. AT THIS MOMENT...BEST POOL MOISTURE IS
EXPECTED TO REMAIN SOUTH OF THE FORECAST AREA...WITH PW VALUES OF
UP TO 1.45 INCHES ACROSS THE LOCAL ISLANDS.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...SURFACE WIND
GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWERS.
&&
.MARINE...CHOPPY SEAS ARE EXPECTED FOR THE NEXT FEW DAYS DUE TO A
FRESH TO STRONG TRADE WIND FLOW AND SEAS BETWEEN 5 AND 7 FEET.
DUE TO A PROGRAM FAILURE...SOME DISCREPANCIES CAN BE FOUND IN THE
MARINE FORECAST PRODUCTS. NOTE: SMALL CRAFT ADVISORIES ARE IN
EFFECT FOR ALL AMZ EXCEPT AMZ712-742-745-735 UNTIL THURSDAY EVENING.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 82 73 81 73 / 50 40 40 30
STT 86 75 86 75 / 40 40 40 20
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
518 AM AST MON FEB 27 2012
.SYNOPSIS...UPPER LEVEL RIDGE WILL CONTINUE TO WEAKEN AS AN UPPER
LEVEL TROUGH ACROSS THE SOUTHWEST ATLANTIC CONTINUES TO AMPLIFY. A
FRESH TO STRONG TRADE WIND FLOW IS EXPECTED TO PREVAIL ACROSS THE
FORECAST AREA THROUGH AT LEAST THE END OF THE WORK WEEK.
&&
.DISCUSSION...CLOUDINESS AND PASSING SHOWERS EMBEDDED IN THE TRADES
RULED DURING THE OVERNIGHT AND EARLY MORNING HOURS. HOWEVER...
RAINFALL ACCUMULATIONS ASSOCIATED WITH THIS SHOWER ACTIVITY WERE
MINIMAL.
UPPER LEVEL RIDGE WILL CONTINUE TO WEAKEN AS AN UPPER LEVEL TROUGH
ACROSS THE SOUTHWEST ATLANTIC CONTINUES TO AMPLIFY. THIS WILL ALLOW
MOISTURE AND INSTABILITY TO DEEPEN ACROSS THE FORECAST AREA...RESULTING
IN A BETTER CHANCE OF CLOUDINESS AND SHOWER ACTIVITY DURING THE
MONDAY-TUESDAY PERIOD. MID LEVEL SUBSIDENCE/DRYING INCREASES ONCE
AGAIN ON WEDNESDAY.
AT LOWER LEVELS...A SURFACE HIGH PRESSURE NORTH OF THE LOCAL AREA
WILL CONTINUE TO PROMOTE A FRESH TO STRONG TRADE WIND FLOW THROUGH
AT LEAST THE END OF THE WORK WEEK. WITH THE PREVAILING WIND FLOW...
PATCHES AND BANDS OF LOW LEVEL MOISTURE WILL CONTINUE TO MOVE INTO
THE LOCAL AREA FROM TIME TO TIME WEDNESDAY THROUGH AT LEAST THE
END OF THE WORK WEEK. AT THIS MOMENT...BEST POOL MOISTURE IS
EXPECTED TO REMAIN SOUTH OF THE FORECAST AREA...WITH PW VALUES OF
UP TO 1.45 INCHES ACROSS THE LOCAL ISLANDS.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...SURFACE WIND
GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWERS.
&&
.MARINE...CHOPPY SEAS ARE EXPECTED FOR THE NEXT FEW DAYS DUE TO A
FRESH TO STRONG TRADE WIND FLOW AND SEAS BETWEEN 5 AND 7 FEET.
DUE TO A PROGRAM FAILURE...SOME DISCREPANCIES CAN BE FOUND IN THE
MARINE FORECAST PRODUCTS. NOTE: SMALL CRAFT ADVISORIES ARE IN
EFFECT FOR ALL AMZ EXCEPT AMZ712-742-745-735 UNTIL THURSDAY EVENING.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 82 73 81 73 / 50 40 40 30
STT 86 75 86 75 / 40 40 40 20
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
315 PM AST MON FEB 27 2012
.SYNOPSIS...MIGRATORY HIGHS OVER THE WESTERN/CENTRAL ATLANTIC WILL
MAINTAIN A FRESH TO STRONG TRADES WINDS ACROSS THE NORTHEASTERN
CARIBBEAN ISLANDS DURING THE NEXT SEVERAL DAYS. MID-UPPER LEVEL
RIDGE JUST NORTHEAST OF THE FORECAST AREA IS EXPECTED TO GRADUALLY
FLATTEN DURING THE NEXT 24 HOURS AS A UPPER TROUGH MOVES TOWARDS
THE NORTHEAST CARIBBEAN. MOISTURE AND INSTABILITY WILL INCREASE
IN RESPONSE TO THE APPROACHING TROUGH...MAINLY ON TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING.
&&
.DISCUSSION...SATELLITE AND RADAR IMAGERY INDICATED SHOWERS ACROSS
THE NORTH AND WEST SECTIONS OF PUERTO RICO THIS AFTERNOON. MOST OF
THE SHOWERS HAVE MOVED QUICKLY ACROSS THESE PORTIONS OF PUERTO
RICO AND LEFT RAINFALL AMOUNTS BETWEEN A QUARTER AND HALF-INCH.
LATEST SATELLITE DERIVED PW ANALYSIS IS SHOWING AN AREA OF DRIER
AIR MASS OVER THE ANEGADA PASSAGE THAT WILL LIMIT THE SHOWER
COVERAGE ACROSS OUR LOCAL AREA TONIGHT AND EARLY TUESDAY MORNING.
TUESDAY AFTERNOON THROUGH WEDNESDAY...A DIGGING TROUGH WILL PUT A
DENT ON THE RIDGE PATTERN...AND DEEPER MOISTURE IS THEN EXPECTED
TO POOL ACROSS THE NORTHEAST CARIBBEAN ISLANDS. THIS WILL RESULT
IN BETTER CHANCE OF SHOWERS ACROSS THE LOCAL ISLANDS. HOWEVER...
THE MOST ACTIVE CONVECTION IS FORECAST ACROSS THE WESTERN AND
INTERIOR PORTIONS OF PUERTO RICO TUESDAY AFTERNOON.
TRADE WIND WEATHER WILL ESTABLISH AGAIN ON THURSDAY...THANKS TO A
RIDGE OF HIGH PRESSURE OVER THE WESTERN/CENTRAL CARIBBEAN. PASSING
TRADE SHOWERS WILL FAVOR THE WINDWARD SIDE OF THE ISLANDS DURING
THE EVENING/MORNING HOURS AND ISOLATED CONVECTION DEVELOPING OVER
THE WEST SECTIONS OF PUERTO RICO. WINDS WILL RETURN TO A MODERATE
TO FRESH RANGE ON THURSDAY.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 16 TO 20 HOURS.
HOWEVER... BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE
EXPECTED IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...
SURFACE WIND GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR
SHOWERS.
&&
.MARINE...SURFACE HIGH PRESSURE NORTH OF THE ISLANDS WILL KEEP
WINDS ABOVE THE SMALL CRAFT THRESHOLD THROUGH AT LEAST THURSDAY
NIGHT. STRONG WINDS WILL CONTINUE TO PRODUCE ROUGH AND CHOPPY
SEAS ACROSS MOST OF THE REGIONAL WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 73 82 73 82 / 50 50 30 20
STT 74 83 74 84 / 50 50 20 20
NATIONAL WEATHER SERVICE SAN JUAN PR
315 PM AST MON FEB 27 2012
.SYNOPSIS...MIGRATORY HIGHS OVER THE WESTERN/CENTRAL ATLANTIC WILL
MAINTAIN A FRESH TO STRONG TRADES WINDS ACROSS THE NORTHEASTERN
CARIBBEAN ISLANDS DURING THE NEXT SEVERAL DAYS. MID-UPPER LEVEL
RIDGE JUST NORTHEAST OF THE FORECAST AREA IS EXPECTED TO GRADUALLY
FLATTEN DURING THE NEXT 24 HOURS AS A UPPER TROUGH MOVES TOWARDS
THE NORTHEAST CARIBBEAN. MOISTURE AND INSTABILITY WILL INCREASE
IN RESPONSE TO THE APPROACHING TROUGH...MAINLY ON TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING.
&&
.DISCUSSION...SATELLITE AND RADAR IMAGERY INDICATED SHOWERS ACROSS
THE NORTH AND WEST SECTIONS OF PUERTO RICO THIS AFTERNOON. MOST OF
THE SHOWERS HAVE MOVED QUICKLY ACROSS THESE PORTIONS OF PUERTO
RICO AND LEFT RAINFALL AMOUNTS BETWEEN A QUARTER AND HALF-INCH.
LATEST SATELLITE DERIVED PW ANALYSIS IS SHOWING AN AREA OF DRIER
AIR MASS OVER THE ANEGADA PASSAGE THAT WILL LIMIT THE SHOWER
COVERAGE ACROSS OUR LOCAL AREA TONIGHT AND EARLY TUESDAY MORNING.
TUESDAY AFTERNOON THROUGH WEDNESDAY...A DIGGING TROUGH WILL PUT A
DENT ON THE RIDGE PATTERN...AND DEEPER MOISTURE IS THEN EXPECTED
TO POOL ACROSS THE NORTHEAST CARIBBEAN ISLANDS. THIS WILL RESULT
IN BETTER CHANCE OF SHOWERS ACROSS THE LOCAL ISLANDS. HOWEVER...
THE MOST ACTIVE CONVECTION IS FORECAST ACROSS THE WESTERN AND
INTERIOR PORTIONS OF PUERTO RICO TUESDAY AFTERNOON.
TRADE WIND WEATHER WILL ESTABLISH AGAIN ON THURSDAY...THANKS TO A
RIDGE OF HIGH PRESSURE OVER THE WESTERN/CENTRAL CARIBBEAN. PASSING
TRADE SHOWERS WILL FAVOR THE WINDWARD SIDE OF THE ISLANDS DURING
THE EVENING/MORNING HOURS AND ISOLATED CONVECTION DEVELOPING OVER
THE WEST SECTIONS OF PUERTO RICO. WINDS WILL RETURN TO A MODERATE
TO FRESH RANGE ON THURSDAY.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 16 TO 20 HOURS.
HOWEVER... BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE
EXPECTED IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...
SURFACE WIND GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR
SHOWERS.
&&
.MARINE...SURFACE HIGH PRESSURE NORTH OF THE ISLANDS WILL KEEP
WINDS ABOVE THE SMALL CRAFT THRESHOLD THROUGH AT LEAST THURSDAY
NIGHT. STRONG WINDS WILL CONTINUE TO PRODUCE ROUGH AND CHOPPY
SEAS ACROSS MOST OF THE REGIONAL WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 73 82 73 82 / 50 50 30 20
STT 74 83 74 84 / 50 50 20 20
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Re: Caribbean - Central America Weather
Hi. The minimum temperatures increased again yesterday. These are the observations:
Minimum Temperatures
-Warmer than normal in Belize and Panama. Near normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 24°C (75°F)
Mountain Pine Ridge, Belize 17.4°C (63.3°F)
Guatemala city, Guatemala 14.5°C (58.1°F)
Quetzaltenango, Guatemala 4.9°C (40.8°F)
Zacapa, Guatemala 21°C (70°F)
San Salvador, El Salvador 18.7°C (65.7°F)
Las Pilas, El Salvador 11.8°C (53.2°F)
San Miguel, El Salvador 19.2°C (66.6°F)
Tegucigalpa, Honduras 14°C (57°F)
La Esperanza, Honduras 13°C (55°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 22°C (72°F)
Jinotega, Nicaragua 17°C (63°F)
San Jose, Costa Rica 16.3°C (61.3°F)
Irazu volcano, Costa Rica 3.4°C (38.1°F)
Liberia, Costa Rica 20.5°C (68.9°F)
Panama city, Panama 23.9°C (75.0°F) Warmest since January 16
Boquete, Panama 14.7°C (58.5°F)
Maximum Temperatures
-Warmer than normal in El Salvador. Near normal in Belize, Guatemala, Honduras and Nicaragua. Cooler than normal in Costa Rica and Panama.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 26.5°C (79.7°F)
Guatemala city, Guatemala 24.0°C (75.2°F)
Quetzaltenango, Guatemala 21.2°C (70.2°F)
Zacapa, Guatemala 33°C (91°F)
San Salvador, El Salvador 33.6°C (92.5°F) WARMEST SINCE APRIL 6 2011
Las Pilas, El Salvador 18.4°C (65.1°F)
San Miguel, El Salvador 38.7°C (101.7°F) Warmest since June 14 2011
Tegucigalpa, Honduras 27°C (81°F)
La Esperanza, Honduras 22°C (72°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 33°C (91°F)
Jinotega, Nicaragua 25°C (77°F)
San Jose, Costa Rica 24.2°C (75.6°F) Coolest since January 7
Irazu volcano, Costa Rica 9.1°C (48.4°F)
Liberia, Costa Rica 34.5°C (94.1°F)
Panama city, Panama 32.3°C (90.1°F)
Boquete, Panama 18.6°C (65.5°F)
Minimum Temperatures
-Warmer than normal in Belize and Panama. Near normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 24°C (75°F)
Mountain Pine Ridge, Belize 17.4°C (63.3°F)
Guatemala city, Guatemala 14.5°C (58.1°F)
Quetzaltenango, Guatemala 4.9°C (40.8°F)
Zacapa, Guatemala 21°C (70°F)
San Salvador, El Salvador 18.7°C (65.7°F)
Las Pilas, El Salvador 11.8°C (53.2°F)
San Miguel, El Salvador 19.2°C (66.6°F)
Tegucigalpa, Honduras 14°C (57°F)
La Esperanza, Honduras 13°C (55°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 22°C (72°F)
Jinotega, Nicaragua 17°C (63°F)
San Jose, Costa Rica 16.3°C (61.3°F)
Irazu volcano, Costa Rica 3.4°C (38.1°F)
Liberia, Costa Rica 20.5°C (68.9°F)
Panama city, Panama 23.9°C (75.0°F) Warmest since January 16
Boquete, Panama 14.7°C (58.5°F)
Maximum Temperatures
-Warmer than normal in El Salvador. Near normal in Belize, Guatemala, Honduras and Nicaragua. Cooler than normal in Costa Rica and Panama.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 26.5°C (79.7°F)
Guatemala city, Guatemala 24.0°C (75.2°F)
Quetzaltenango, Guatemala 21.2°C (70.2°F)
Zacapa, Guatemala 33°C (91°F)
San Salvador, El Salvador 33.6°C (92.5°F) WARMEST SINCE APRIL 6 2011
Las Pilas, El Salvador 18.4°C (65.1°F)
San Miguel, El Salvador 38.7°C (101.7°F) Warmest since June 14 2011
Tegucigalpa, Honduras 27°C (81°F)
La Esperanza, Honduras 22°C (72°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 33°C (91°F)
Jinotega, Nicaragua 25°C (77°F)
San Jose, Costa Rica 24.2°C (75.6°F) Coolest since January 7
Irazu volcano, Costa Rica 9.1°C (48.4°F)
Liberia, Costa Rica 34.5°C (94.1°F)
Panama city, Panama 32.3°C (90.1°F)
Boquete, Panama 18.6°C (65.5°F)
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
434 AM AST TUE FEB 28 2012
.SYNOPSIS...EROSION OF UPPER LEVEL RIDGE WILL CONTINUE AS TROUGH
AMPLIFIES ACROSS THE EASTERN CARIBBEAN. A TIGHT PRESSURE GRADIENT
ACROSS THE LOCAL ISLANDS WILL CONTINUE TO PROMOTE A FRESH TO LOCALLY
STRONG TRADE WIND FLOW.
&&
.DISCUSSION...EROSION OF UPPER LEVEL RIDGE WILL CONTINUE AS TROUGH
AMPLIFIES ACROSS THE EASTERN CARIBBEAN. THE TROUGH IS THEN FORECAST
TO SLOWLY PULL ACROSS THE EASTERN CARIBBEAN THROUGH FRIDAY MORNING.
THIS WILL ALLOW MOISTURE AND INSTABILITY TO DEEPEN ACROSS THE FORECAST
AREA ESPECIALLY TODAY THROUGH EARLY WEDNESDAY MORNING. LATER...A DRIER
AIR MASS IS EXPECTED TO MOVE INTO THE AREA...HOWEVER WITH THE PREVAILING
WIND FLOW...STILL EXPECT PERIODS OF LATE EVENING AND EARLY MORNING
PASSING SHOWERS...FOLLOWED BY SOME LIMITED AFTERNOON CONVECTION MAINLY
ACROSS PARTS OF THE INTERIOR AND WEST SECTIONS OF PUERTO RICO. AT
THIS MOMENT BEST MOISTURE IS EXPECTED TO POOL SOUTH OF THE FORECAST
AREA...WITH HIGHEST PW VALUES ACROSS THE LOCAL AREA THIS AFTERNOON
AND TONIGHT.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...SURFACE WIND
GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWERS.
&&
MARINE...SURFACE HIGH PRESSURE NORTH OF THE ISLANDS WILL KEEP WINDS
ABOVE SMALL CRAFT CRITERIA THROUGH AT LEAST THURSDAY NIGHT. STRONG
WINDS WILL CONTINUE TO PRODUCE ROUGH AND CHOPPY SEAS ACROSS MOST
OF THE REGIONAL WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 83 74 83 74 / 40 30 20 20
STT 83 74 84 73 / 40 30 20 20
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
434 AM AST TUE FEB 28 2012
.SYNOPSIS...EROSION OF UPPER LEVEL RIDGE WILL CONTINUE AS TROUGH
AMPLIFIES ACROSS THE EASTERN CARIBBEAN. A TIGHT PRESSURE GRADIENT
ACROSS THE LOCAL ISLANDS WILL CONTINUE TO PROMOTE A FRESH TO LOCALLY
STRONG TRADE WIND FLOW.
&&
.DISCUSSION...EROSION OF UPPER LEVEL RIDGE WILL CONTINUE AS TROUGH
AMPLIFIES ACROSS THE EASTERN CARIBBEAN. THE TROUGH IS THEN FORECAST
TO SLOWLY PULL ACROSS THE EASTERN CARIBBEAN THROUGH FRIDAY MORNING.
THIS WILL ALLOW MOISTURE AND INSTABILITY TO DEEPEN ACROSS THE FORECAST
AREA ESPECIALLY TODAY THROUGH EARLY WEDNESDAY MORNING. LATER...A DRIER
AIR MASS IS EXPECTED TO MOVE INTO THE AREA...HOWEVER WITH THE PREVAILING
WIND FLOW...STILL EXPECT PERIODS OF LATE EVENING AND EARLY MORNING
PASSING SHOWERS...FOLLOWED BY SOME LIMITED AFTERNOON CONVECTION MAINLY
ACROSS PARTS OF THE INTERIOR AND WEST SECTIONS OF PUERTO RICO. AT
THIS MOMENT BEST MOISTURE IS EXPECTED TO POOL SOUTH OF THE FORECAST
AREA...WITH HIGHEST PW VALUES ACROSS THE LOCAL AREA THIS AFTERNOON
AND TONIGHT.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS. IN ADDITION...SURFACE WIND
GUSTS OF 25 TO 30 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWERS.
&&
MARINE...SURFACE HIGH PRESSURE NORTH OF THE ISLANDS WILL KEEP WINDS
ABOVE SMALL CRAFT CRITERIA THROUGH AT LEAST THURSDAY NIGHT. STRONG
WINDS WILL CONTINUE TO PRODUCE ROUGH AND CHOPPY SEAS ACROSS MOST
OF THE REGIONAL WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 83 74 83 74 / 40 30 20 20
STT 83 74 84 73 / 40 30 20 20
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
317 PM AST TUE FEB 28 2012
.SYNOPSIS...UPPER TROUGH WILL MOVE ACROSS THE AREA OVR THE NEXT 48
HRS WITH UPPER CONFLUENCE AND MID LEVEL RIDGING EXPECTED TO BUILD
IN OVR THE WEEKEND. UPPER RIDGE WILL BUILD OVERHEAD EARLY NEXT
WEEK AND BEGIN TO BREAK DOWN MIDDLE OF NEXT WEEK.
&&
.DISCUSSION...SHOWERS AND THUNDERSTORMS ACROSS THE WEST AND
WILDFIRES ACROSS THE SOUTHEAST ALL AT THE SAME TIME INDICATIVE OF
MANY MICROCLIMATES ACROSS THE ISLAND. THINGS WILL BEGIN TO DRY
OUT AND THROUGH THE REST OF THE WEEK AS AREA BECOMES UNDER
INCREASINGLY DOWNWARD MOTION ASSOCIATED WITH LEFT ENTRANCE REGION
OF JET STREAK AND UPPER LEVEL CONFLUENCE. THIS WILL LEAD TO A
GRADUAL INTENSIFICATION OF THE SUBSIDENCE INVERSION AND A DOWNWARD
TREND IN POPS AND COVERAGE.
UPPER RIDGE WILL BUILD SUN-MON WITH A STRONG SUBSIDENCE INVERSION
SUPPRESSING CLOUDS AND SHOWERS. RIDGE BEGINS TO BREAK DOWN MIDDLE
OF NEXT WEEK WITH BETTER CHANCES OF PRECIP.
&&
.AVIATION...VFR CONDITIONS NEXT 24 HRS WITH NO SIG WX. WINDS WILL
CONTINUE TO BE BREEZY DURING THE DAY WITH 10-15 KTS.
&&
.MARINE...SEAS GENERALLY 6-9 FT AND BEGIN TO DIMINISH TONIGHT AS
WINDS DIMINISH A BIT AND NORTH SWELLS SUBSIDE.
&&
.FIRE WEATHER...100 ACRE FIRE BURNED TODAY IN COAMO. THINGS
APPEARED NOW TO HAVE MOISTENED SUFFICIENTLY THIS AFTERNOON TO
PREVENT ANY MORE FIRES FOR THE REST OF THE DAY. HOWEVER...OVER THE
NEXT SEVERAL DAYS THINGS WILL DRY OUT SIGNIFICANTLY AND WINDS WILL
STILL BE IN THE BREEZY CATEGORY KEEPING THE FIRE DANGER VERY HIGH
ACROSS THE SOUTH.
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 82 74 82 / 30 20 20 20
STT 74 85 74 85 / 30 20 20 20
NATIONAL WEATHER SERVICE SAN JUAN PR
317 PM AST TUE FEB 28 2012
.SYNOPSIS...UPPER TROUGH WILL MOVE ACROSS THE AREA OVR THE NEXT 48
HRS WITH UPPER CONFLUENCE AND MID LEVEL RIDGING EXPECTED TO BUILD
IN OVR THE WEEKEND. UPPER RIDGE WILL BUILD OVERHEAD EARLY NEXT
WEEK AND BEGIN TO BREAK DOWN MIDDLE OF NEXT WEEK.
&&
.DISCUSSION...SHOWERS AND THUNDERSTORMS ACROSS THE WEST AND
WILDFIRES ACROSS THE SOUTHEAST ALL AT THE SAME TIME INDICATIVE OF
MANY MICROCLIMATES ACROSS THE ISLAND. THINGS WILL BEGIN TO DRY
OUT AND THROUGH THE REST OF THE WEEK AS AREA BECOMES UNDER
INCREASINGLY DOWNWARD MOTION ASSOCIATED WITH LEFT ENTRANCE REGION
OF JET STREAK AND UPPER LEVEL CONFLUENCE. THIS WILL LEAD TO A
GRADUAL INTENSIFICATION OF THE SUBSIDENCE INVERSION AND A DOWNWARD
TREND IN POPS AND COVERAGE.
UPPER RIDGE WILL BUILD SUN-MON WITH A STRONG SUBSIDENCE INVERSION
SUPPRESSING CLOUDS AND SHOWERS. RIDGE BEGINS TO BREAK DOWN MIDDLE
OF NEXT WEEK WITH BETTER CHANCES OF PRECIP.
&&
.AVIATION...VFR CONDITIONS NEXT 24 HRS WITH NO SIG WX. WINDS WILL
CONTINUE TO BE BREEZY DURING THE DAY WITH 10-15 KTS.
&&
.MARINE...SEAS GENERALLY 6-9 FT AND BEGIN TO DIMINISH TONIGHT AS
WINDS DIMINISH A BIT AND NORTH SWELLS SUBSIDE.
&&
.FIRE WEATHER...100 ACRE FIRE BURNED TODAY IN COAMO. THINGS
APPEARED NOW TO HAVE MOISTENED SUFFICIENTLY THIS AFTERNOON TO
PREVENT ANY MORE FIRES FOR THE REST OF THE DAY. HOWEVER...OVER THE
NEXT SEVERAL DAYS THINGS WILL DRY OUT SIGNIFICANTLY AND WINDS WILL
STILL BE IN THE BREEZY CATEGORY KEEPING THE FIRE DANGER VERY HIGH
ACROSS THE SOUTH.
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 82 74 82 / 30 20 20 20
STT 74 85 74 85 / 30 20 20 20
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
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Re: Caribbean - Central America Weather
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
602 AM AST WED FEB 29 2012
.SYNOPSIS...
THE BASE OF A BROAD MID TO UPPER LEVEL TROUGH NOW ACROSS THE
ATLANTIC...EXTENDS SOUTHWARDS INTO THE NORTHEASTERN CARIBBEAN.
THIS TROUGH WILL SLOWLY MOVE FURTHER EASTWARD INTO THE EASTERN
CARIBBEAN TODAY THROUGH THURSDAY...THEN LIFT FURTHER NORTHWARD BY
FRIDAY. IN THE MEANTIME EXPECT MID LEVEL PERTURBATIONS TO PROPAGATE
THROUGH THE BASE OF THE TROUGH AND AFFECT THE LOCAL REGION OVER
THE NEXT DAY OR SO. IN THE LOW LEVELS...THE PERSISTENT HIGH
PRESSURE SYSTEMS NORTH OF THE AREA...WILL HELP MAINTAIN A FAIRLY
TIGHT PRESSURE GRADIENT ACROSS THE REGION AT LEAST THROUGH FRIDAY.
THIS IN TURN WILL LEAD TO MODERATE TO STRONG LOW LEVEL EASTERLY
WINDS ACROSS THE ISLANDS. THIS PREVAILING WIND FLOW WILL THEREFORE
CONTINUE TO STREAM PATCHES OF LOW TO MID LEVEL MOISTURE ACROSS THE
NORTHEAST CARIBBEAN OVER THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...THE COMBINATION OF THE UPPER TROUGH NOW ACROSS THE
REGION AND THE PASSAGE OF THE AFOREMENTIONED MID LEVEL SHORT WAVES
THROUGH THE REGION OVER THE NEXT 24 HOURS...WILL AID IN THE ENHANCEMENT
OF CONVECTIVE ACTIVITY ACROSS THE ISLANDS AND SURROUNDING WATERS
THROUGH AT LEAST THURSDAY. MODELS AS WELL AS LATEST SATELLITE IMAGERY
AND DOPPLER WEATHER RADAR...ALL SUGGEST SUFFICIENT MOISTURE AND REASONABLE
PW AT VALUES IN PLACE FOR EARLY MORNING AND AFTERNOON CONVECTION ACROSS
PARTS OF THE ISLANDS TODAY. THEREAFTER...AS THE UPPER TROUGH SHIFTS
FURTHER EAST...THIS WILL PLACE THE REGION IN A MORE CONVERGENT PATTERN
IN THE UPPER LEVELS....AND CONSEQUENTLY INCREASE SUBSIDENCE AND
LEAD TO LESS FAVORABLE UPPER LEVEL CONDITIONS...FOR SIGNIFICANT
AMOUNTS OF CONVECTIVE DEVELOPMENT. HOWEVER...FOR THE REST OF THE
WEEK...THE PREVAILING TRADE WINDS WILL CONTINUE TO ADVECT PATCHES
OF MOSTLY MOISTURE AND TRADE WIND SHOWERS ACROSS THE ISLANDS AND
LOCAL WATERS FROM TIME TO TIME.
FURTHER DOWN THE ROAD...MODELS SUGGEST A COLD FRONTAL BOUNDARY TO SETTLE
JUST NORTH OF THE LOCAL AREA BY THE MIDDLE OF NEXT WEEK...AS ANOTHER
STRONG AREA OF HIGH PRESSURE IS FORECAST TO BUILD ACROSS THE WEST AND
SOUTHWEST ATLANTIC. THIS IS STILL SOME WAYS OUT SO WILL CONTINUE
TO ADJUST THE LONG TERM FORECAST GRIDS WITH TIME.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS OR SO. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS...MAINLY DURG THE EARLY
MORNING AND AFTERNOON HOURS. IN ADDITION... SURFACE WIND GUSTS UP
TO 25 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWER ACTIVITY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 83 72 83 73 / 30 30 30 20
STT 83 73 85 73 / 30 30 30 20
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
602 AM AST WED FEB 29 2012
.SYNOPSIS...
THE BASE OF A BROAD MID TO UPPER LEVEL TROUGH NOW ACROSS THE
ATLANTIC...EXTENDS SOUTHWARDS INTO THE NORTHEASTERN CARIBBEAN.
THIS TROUGH WILL SLOWLY MOVE FURTHER EASTWARD INTO THE EASTERN
CARIBBEAN TODAY THROUGH THURSDAY...THEN LIFT FURTHER NORTHWARD BY
FRIDAY. IN THE MEANTIME EXPECT MID LEVEL PERTURBATIONS TO PROPAGATE
THROUGH THE BASE OF THE TROUGH AND AFFECT THE LOCAL REGION OVER
THE NEXT DAY OR SO. IN THE LOW LEVELS...THE PERSISTENT HIGH
PRESSURE SYSTEMS NORTH OF THE AREA...WILL HELP MAINTAIN A FAIRLY
TIGHT PRESSURE GRADIENT ACROSS THE REGION AT LEAST THROUGH FRIDAY.
THIS IN TURN WILL LEAD TO MODERATE TO STRONG LOW LEVEL EASTERLY
WINDS ACROSS THE ISLANDS. THIS PREVAILING WIND FLOW WILL THEREFORE
CONTINUE TO STREAM PATCHES OF LOW TO MID LEVEL MOISTURE ACROSS THE
NORTHEAST CARIBBEAN OVER THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...THE COMBINATION OF THE UPPER TROUGH NOW ACROSS THE
REGION AND THE PASSAGE OF THE AFOREMENTIONED MID LEVEL SHORT WAVES
THROUGH THE REGION OVER THE NEXT 24 HOURS...WILL AID IN THE ENHANCEMENT
OF CONVECTIVE ACTIVITY ACROSS THE ISLANDS AND SURROUNDING WATERS
THROUGH AT LEAST THURSDAY. MODELS AS WELL AS LATEST SATELLITE IMAGERY
AND DOPPLER WEATHER RADAR...ALL SUGGEST SUFFICIENT MOISTURE AND REASONABLE
PW AT VALUES IN PLACE FOR EARLY MORNING AND AFTERNOON CONVECTION ACROSS
PARTS OF THE ISLANDS TODAY. THEREAFTER...AS THE UPPER TROUGH SHIFTS
FURTHER EAST...THIS WILL PLACE THE REGION IN A MORE CONVERGENT PATTERN
IN THE UPPER LEVELS....AND CONSEQUENTLY INCREASE SUBSIDENCE AND
LEAD TO LESS FAVORABLE UPPER LEVEL CONDITIONS...FOR SIGNIFICANT
AMOUNTS OF CONVECTIVE DEVELOPMENT. HOWEVER...FOR THE REST OF THE
WEEK...THE PREVAILING TRADE WINDS WILL CONTINUE TO ADVECT PATCHES
OF MOSTLY MOISTURE AND TRADE WIND SHOWERS ACROSS THE ISLANDS AND
LOCAL WATERS FROM TIME TO TIME.
FURTHER DOWN THE ROAD...MODELS SUGGEST A COLD FRONTAL BOUNDARY TO SETTLE
JUST NORTH OF THE LOCAL AREA BY THE MIDDLE OF NEXT WEEK...AS ANOTHER
STRONG AREA OF HIGH PRESSURE IS FORECAST TO BUILD ACROSS THE WEST AND
SOUTHWEST ATLANTIC. THIS IS STILL SOME WAYS OUT SO WILL CONTINUE
TO ADJUST THE LONG TERM FORECAST GRIDS WITH TIME.
&&
.AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS OR SO. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED
IN ISOLATED TO SCATTERED PASSING SHOWERS...MAINLY DURG THE EARLY
MORNING AND AFTERNOON HOURS. IN ADDITION... SURFACE WIND GUSTS UP
TO 25 KNOTS ARE POSSIBLE...ESPECIALLY NEAR SHOWER ACTIVITY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 83 72 83 73 / 30 30 30 20
STT 83 73 85 73 / 30 30 30 20
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- cycloneye
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Re: Caribbean - Central America Weather
Good afternoon. The pattern of passing fast moving showers brought by the trade winds will continue for the next few days,but in general,good weather is expected for PR,VI and the rest of the NE Caribbean.
SYNOPSIS...A BROAD MID TO UPPER LEVEL TROUGH NOW ACROSS THE
ATLANTIC...EXTENDS SOUTHWARDS INTO THE NORTHEASTERN CARIBBEAN.
THIS TROUGH WILL SLOWLY MOVE FURTHER EASTWARD INTO THE EASTERN
CARIBBEAN THROUGH THURSDAY...THEN LIFT FURTHER NORTHWARD BY
FRIDAY.
DISCUSSION...ISOLATED TO SCATTERED SHOWERS DEVELOPED OVER THE
EASTERN PORTIONS OF PUERTO RICO AND SOUTHWEST PORTIONS OF THE
ISLAND. MOST OF THESE SHOWERS WILL DISSIPATE BEFORE SUNSET.
A PERSISTENT HIGH PRESSURE SYSTEMS NORTH OF THE AREA...WILL HELP
MAINTAIN A FAIRLY TIGHT PRESSURE GRADIENT ACROSS THE REGION AT
LEAST THROUGH FRIDAY. THIS IN TURN WILL LEAD TO MODERATE TO STRONG
LOW LEVEL EASTERLY WINDS ACROSS THE ISLANDS. THIS PREVAILING WIND
FLOW WILL THEREFORE CONTINUE TO STREAM PATCHES OF LOW TO MID LEVEL
MOISTURE ACROSS THE NORTHEAST CARIBBEAN OVER THE NEXT SEVERAL
DAYS.
AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE POSSIBLE
IN ISOLATED TO LOCALLY SCATTERED PASSING SHOWERS. IN ADDITION...
SURFACE WIND GUSTS OF NEAR 25 KNOTS ARE EXPECTED...ESPECIALLY NEAR
SHOWERS.
MARINE...AS WINDS ARE FORECAST TO RELAX SEAS WILL ALSO SLOWLY TO
SUBSIDE FOR THE NEXT 48 HOURS. THIS WILL BE A SLOW PROCESS AND
CHOPPY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH AT LEAST EARLY
FRIDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 72 82 72 83 / 30 30 30 30
STT 74 85 74 85 / 40 40 40 40
SYNOPSIS...A BROAD MID TO UPPER LEVEL TROUGH NOW ACROSS THE
ATLANTIC...EXTENDS SOUTHWARDS INTO THE NORTHEASTERN CARIBBEAN.
THIS TROUGH WILL SLOWLY MOVE FURTHER EASTWARD INTO THE EASTERN
CARIBBEAN THROUGH THURSDAY...THEN LIFT FURTHER NORTHWARD BY
FRIDAY.
DISCUSSION...ISOLATED TO SCATTERED SHOWERS DEVELOPED OVER THE
EASTERN PORTIONS OF PUERTO RICO AND SOUTHWEST PORTIONS OF THE
ISLAND. MOST OF THESE SHOWERS WILL DISSIPATE BEFORE SUNSET.
A PERSISTENT HIGH PRESSURE SYSTEMS NORTH OF THE AREA...WILL HELP
MAINTAIN A FAIRLY TIGHT PRESSURE GRADIENT ACROSS THE REGION AT
LEAST THROUGH FRIDAY. THIS IN TURN WILL LEAD TO MODERATE TO STRONG
LOW LEVEL EASTERLY WINDS ACROSS THE ISLANDS. THIS PREVAILING WIND
FLOW WILL THEREFORE CONTINUE TO STREAM PATCHES OF LOW TO MID LEVEL
MOISTURE ACROSS THE NORTHEAST CARIBBEAN OVER THE NEXT SEVERAL
DAYS.
AVIATION...PREVAILING VFR CONDITIONS WILL CONTINUE ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE POSSIBLE
IN ISOLATED TO LOCALLY SCATTERED PASSING SHOWERS. IN ADDITION...
SURFACE WIND GUSTS OF NEAR 25 KNOTS ARE EXPECTED...ESPECIALLY NEAR
SHOWERS.
MARINE...AS WINDS ARE FORECAST TO RELAX SEAS WILL ALSO SLOWLY TO
SUBSIDE FOR THE NEXT 48 HOURS. THIS WILL BE A SLOW PROCESS AND
CHOPPY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH AT LEAST EARLY
FRIDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 72 82 72 83 / 30 30 30 30
STT 74 85 74 85 / 40 40 40 40
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Re: Caribbean - Central America Weather
Good afternoon. Yesterday temperatures in Central America:
Minimum Temperatures
-Warmer than normal in Belize, Guatemala and Honduras. Near normal in El Salvador, Nicaragua and Panama. Cooler than normal in Costa Rica.
Belize city, Belize 25°C (77°F)
Mountain Pine Ridge, Belize 19.6°C (67.3°F)
Guatemala city, Guatemala 15.0°C (59.0°F)
Quetzaltenango, Guatemala 5.7°C (42.3°F)
Zacapa, Guatemala 22°C (72°F)
San Salvador, El Salvador 18.1°C (64.6°F)
Las Pilas, El Salvador 11.5°C (52.7°F)
San Miguel, El Salvador 19.4°C (66.9°F)
Tegucigalpa, Honduras 18°C (64°F)
La Esperanza, Honduras 14°C (57°F)
Choluteca, Honduras 24°C (75°F)
Managua, Nicaragua 21°C (70°F)
Jinotega, Nicaragua 17°C (63°F)
San Jose, Costa Rica 14.5°C (58.1°F)
Irazu volcano, Costa Rica 0.6°C (33.1°F)
Liberia, Costa Rica 23.2°C (73.8°F)
Panama city, Panama 22.3°C (72.1°F)
Boquete, Panama 13.4°C (56.1°F)
Maximum Temperatures
-Near normal in Belize and Panama. Cooler than normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 26.9°C (80.4°F)
Guatemala city, Guatemala 22.6°C (72.7°F)
Quetzaltenango, Guatemala 17.9°C (64.2°F)
Zacapa, Guatemala 32°C (90°F)
San Salvador, El Salvador 31.9°C (89.4°F)
Las Pilas, El Salvador 17.3°C (63.1°F)
San Miguel, El Salvador 35.9°C (96.6°F)
Tegucigalpa, Honduras 24°C (75°F)
La Esperanza, Honduras 18°C (64°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 32°C (90°F)
Jinotega, Nicaragua 25°C (77°F)
San Jose, Costa Rica 25.2°C (77.4°F)
Irazu volcano, Costa Rica 6.9°C (44.4°F) Coldest since January 16
Liberia, Costa Rica 33.5°C (92.3°F)
Panama city, Panama 32.8°C (91.0°F)
Boquete, Panama 19.7°C (67.5°F)
Minimum Temperatures
-Warmer than normal in Belize, Guatemala and Honduras. Near normal in El Salvador, Nicaragua and Panama. Cooler than normal in Costa Rica.
Belize city, Belize 25°C (77°F)
Mountain Pine Ridge, Belize 19.6°C (67.3°F)
Guatemala city, Guatemala 15.0°C (59.0°F)
Quetzaltenango, Guatemala 5.7°C (42.3°F)
Zacapa, Guatemala 22°C (72°F)
San Salvador, El Salvador 18.1°C (64.6°F)
Las Pilas, El Salvador 11.5°C (52.7°F)
San Miguel, El Salvador 19.4°C (66.9°F)
Tegucigalpa, Honduras 18°C (64°F)
La Esperanza, Honduras 14°C (57°F)
Choluteca, Honduras 24°C (75°F)
Managua, Nicaragua 21°C (70°F)
Jinotega, Nicaragua 17°C (63°F)
San Jose, Costa Rica 14.5°C (58.1°F)
Irazu volcano, Costa Rica 0.6°C (33.1°F)
Liberia, Costa Rica 23.2°C (73.8°F)
Panama city, Panama 22.3°C (72.1°F)
Boquete, Panama 13.4°C (56.1°F)
Maximum Temperatures
-Near normal in Belize and Panama. Cooler than normal in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica.
Belize city, Belize 30°C (86°F)
Mountain Pine Ridge, Belize 26.9°C (80.4°F)
Guatemala city, Guatemala 22.6°C (72.7°F)
Quetzaltenango, Guatemala 17.9°C (64.2°F)
Zacapa, Guatemala 32°C (90°F)
San Salvador, El Salvador 31.9°C (89.4°F)
Las Pilas, El Salvador 17.3°C (63.1°F)
San Miguel, El Salvador 35.9°C (96.6°F)
Tegucigalpa, Honduras 24°C (75°F)
La Esperanza, Honduras 18°C (64°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 32°C (90°F)
Jinotega, Nicaragua 25°C (77°F)
San Jose, Costa Rica 25.2°C (77.4°F)
Irazu volcano, Costa Rica 6.9°C (44.4°F) Coldest since January 16
Liberia, Costa Rica 33.5°C (92.3°F)
Panama city, Panama 32.8°C (91.0°F)
Boquete, Panama 19.7°C (67.5°F)
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
1022 PM AST WED FEB 29 2012
.UPDATE...A FEW THUNDERSTORMS DEVELOPED THIS AFTERNOON OVER THE
WESTERN INTERIOR AND SOUTHWEST SECTIONS OF PUERTO RICO. SAT OBS
SHOWED CLOUD TOP TEMPS AROUND -33C WITH THESE THUNDERSTORMS. RAIN
GAGES IN YAUCO AND ADJUNTAS MEASURED AROUND ONE INCH OF RAIN.
THESE CELLS WERE MOVING TOWARD THE SW AND AFFECTED PARTS OF SAN
GERMAN AND CABO ROJO. TERMINAL DOPPLER RADAR DETECTED OTHER AREAS
OF SHOWERS OVER TRUJILLO ALTO...CAROLINA AND SAN JUAN...WHERE
RAINFALL ACCUMULATIONS RANGED BETWEEN A QUARTER AND HALF INCH.
UPPER TROF WEST OF THE FORECAST AREA WILL CONTINUE TO PROMOTE
UNSTABLE CONDITIONS ACROSS PUERTO RICO AND THE USVI THROUGH AT
LEAST THURSDAY AFTERNOON. AT THIS TIME...A BAND OF SHOWERY CLOUDS
NORTH-NORTHEAST OF FAJARDO WILL MOVE ACROSS NORTHEAST PUERTO
RICO...CULEBRA AND VIEQUES THROUGH THE OVERNIGHT HOURS. THIS BAND
WILL BRING CLOUDINESS AND ANOTHER ROUND OF SHOWERS FOR THE SAN
JUAN METRO AREA AND MUNICIPALITIES ALONG THE EAST AND NORTH COASTS
OF PUERTO RICO. RAINFALL AMOUNTS SHOULD RANGE FROM A TENTH TO
HALF-INCH...WITH HIGHER AMOUNTS IN ISOLATED AREAS. THE NORTHEAST
COMPONENT IN THE WIND FLOW WILL PERSIST INTO EARLY THURSDAY...BEFORE
RETURNING TO A MORE EASTERLY ON FRIDAY.
&&
.AVIATION...A BAND OF MOISTURE HAS ENTERED THE LEEWARD ISLANDS AND
WILL ENTER THE USVI AND PR BY 01/05Z. A SHORT WAVE ALOFT WILL
ENHANCE CONVECTION AFT 01/14Z OVER PUERTO RICO. PREVAILING VFR
CONDITIONS WILL CONTINUE ACROSS THE LOCAL ISLANDS AND AT ALL TAF
SITES THRU 02/00Z. HOWEVER... BRIEF MVFR CONDITIONS AND LOCAL
MOUNTAIN OBSCURATIONS ARE POSSIBLE IN ISOLATED TO LOCALLY SCATTERED
PASSING SHOWERS. ISOLD TSRA WRN PR 01/17Z-01/21Z. LLVL WINDS ENE-ESE
5 TO 20 KT. IN ADDITION... SURFACE WIND GUSTS OF NEAR 28 KNOTS ARE
EXPECTED...ESPECIALLY NEAR SHOWERS.
NATIONAL WEATHER SERVICE SAN JUAN PR
1022 PM AST WED FEB 29 2012
.UPDATE...A FEW THUNDERSTORMS DEVELOPED THIS AFTERNOON OVER THE
WESTERN INTERIOR AND SOUTHWEST SECTIONS OF PUERTO RICO. SAT OBS
SHOWED CLOUD TOP TEMPS AROUND -33C WITH THESE THUNDERSTORMS. RAIN
GAGES IN YAUCO AND ADJUNTAS MEASURED AROUND ONE INCH OF RAIN.
THESE CELLS WERE MOVING TOWARD THE SW AND AFFECTED PARTS OF SAN
GERMAN AND CABO ROJO. TERMINAL DOPPLER RADAR DETECTED OTHER AREAS
OF SHOWERS OVER TRUJILLO ALTO...CAROLINA AND SAN JUAN...WHERE
RAINFALL ACCUMULATIONS RANGED BETWEEN A QUARTER AND HALF INCH.
UPPER TROF WEST OF THE FORECAST AREA WILL CONTINUE TO PROMOTE
UNSTABLE CONDITIONS ACROSS PUERTO RICO AND THE USVI THROUGH AT
LEAST THURSDAY AFTERNOON. AT THIS TIME...A BAND OF SHOWERY CLOUDS
NORTH-NORTHEAST OF FAJARDO WILL MOVE ACROSS NORTHEAST PUERTO
RICO...CULEBRA AND VIEQUES THROUGH THE OVERNIGHT HOURS. THIS BAND
WILL BRING CLOUDINESS AND ANOTHER ROUND OF SHOWERS FOR THE SAN
JUAN METRO AREA AND MUNICIPALITIES ALONG THE EAST AND NORTH COASTS
OF PUERTO RICO. RAINFALL AMOUNTS SHOULD RANGE FROM A TENTH TO
HALF-INCH...WITH HIGHER AMOUNTS IN ISOLATED AREAS. THE NORTHEAST
COMPONENT IN THE WIND FLOW WILL PERSIST INTO EARLY THURSDAY...BEFORE
RETURNING TO A MORE EASTERLY ON FRIDAY.
&&
.AVIATION...A BAND OF MOISTURE HAS ENTERED THE LEEWARD ISLANDS AND
WILL ENTER THE USVI AND PR BY 01/05Z. A SHORT WAVE ALOFT WILL
ENHANCE CONVECTION AFT 01/14Z OVER PUERTO RICO. PREVAILING VFR
CONDITIONS WILL CONTINUE ACROSS THE LOCAL ISLANDS AND AT ALL TAF
SITES THRU 02/00Z. HOWEVER... BRIEF MVFR CONDITIONS AND LOCAL
MOUNTAIN OBSCURATIONS ARE POSSIBLE IN ISOLATED TO LOCALLY SCATTERED
PASSING SHOWERS. ISOLD TSRA WRN PR 01/17Z-01/21Z. LLVL WINDS ENE-ESE
5 TO 20 KT. IN ADDITION... SURFACE WIND GUSTS OF NEAR 28 KNOTS ARE
EXPECTED...ESPECIALLY NEAR SHOWERS.
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
527 AM AST THU MAR 1 2012
.SYNOPSIS...MID TO UPPER TROUGH ACROSS THE NORTHEASTERN CARIBBEAN...
WITH AXIS DIPPING SOUTH ACROSS THE LOCAL ISLANDS THEN INTO THE
EASTERN CARIBBEAN...WILL GRADUALLY LIFT EAST NORTHEAST WHILE FILLING
OVER THE NEXT 24 TO 36 HOURS. AN UPPER LEVEL RIDGE IS THEN FORECAST
TO BUILD WESTWARD ACROSS THE REGION INTO THE UPCOMING WEEKEND. BY
THEN EXPECT A MORE CONVERGENT AND SUBSIDENT UPPER LEVEL PATTERN
TO PREVAIL FROM THERE ON AND INTO THE WEEKEND. UNTIL THEN...STILL
EXPECT SUFFICIENT SHORT WAVE ENERGY AND JET DYNAMICS TO AFFECT THE
REGION AND THUS ENHANCE SOME EARLY MORNING AND AFTERNOON CONVECTION.
THE CONTINUED EASTWARD MIGRATION OF SURFACE HIGH PRESSURE SYSTEMS
NORTH OF THE AREA OVER THE NEXT SEVERAL DAYS...WILL HELP MAINTAIN
A FAIRLY TIGHT PRESSURE GRADIENT THROUGH AT LEAST FRIDAY...BEFORE
LOOSENING SOMEWHAT OVER THE UPCOMING WEEKEND. THIS PATTERN WILL
THEREFORE MAINTAIN MODERATE TO STRONG EASTERLIES AND BREEZY/GUSTY
CONDITIONS AT LEAST UNTIL FRIDAY.
&&
.DISCUSSION...LATEST SATELLITE IMAGERY AS WELL AS THE FAA TERMINAL
DOPPLER WEATHER RADAR SUGGESTS THAT THE PERSISTENT EASTERLIES WILL
CONTINUE TO ADVECT PATCHES OF LOW TO MID LEVEL CLOUDS WITH EMBEDDED
SHOWERS ACROSS THE FORECAST AREA. THE WEATHER REGIME IS EXPECTED
CONTINUE OVER THE NEXT SEVERAL DAYS. HOWEVER LATEST MODEL GUIDANCE
AS WELL AS SATELLITE IMAGERY CONTINUED TO SUGGEST NO SIGNIFICANT OR
WIDESPREAD MOISTURE INFLUX. THEREFORE...OVER THE NEXT SEVERAL DAYS
EXPECT MOSTLY LIGHT TO OCCASIONALLY MODERATE QUICK PASSING SHOWERS
ESPECIALLY DURING THE LATE EVENING AND EARLY MORNING HOURS. THIS
WILL BE FOLLOWED BY LIMITED RAINFALL AMOUNTS OVER THE ISLANDS DURING
THE REST OF THE DAY...AS SHOWER DEVELOPMENT IF ANY WILL QUICKLY STREAM
ACROSS THE ISLANDS...LEAVING MINIMAL ACCUMULATIONS.
&&
.AVIATION...A BAND OF MOISTURE WILL CONTINUE TO MOVE ACROSS THE
FORECAST AREA THIS MORNING. AS A RESULT...SHRA WILL BE PSBL ACROSS
NORTHERN AND EASTERN PR THRU AT LEAST 0114Z. PREVAILING VFR CONDITIONS
WILL CONTINUE ACROSS THE LOCAL ISLANDS AND AT ALL TAF SITES THRU THE
FORECAST PERIOD. HOWEVER...BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN
OBSCURATIONS ARE POSSIBLE IN PASSING +SHRA. THERE IS A SLIGHT CHANCE
OF ISOLD TSRA OVER WRN PR 01/17Z-01/21Z. LLVL WINDS WILL BE FM ENE
TO E AT 5 TO 20 KT...WITH SOME GUSTY WINDS ACCOMPANYING THESE SHWRS
&&
.MARINE...MARINERS SHOULD EXPECT WINDS OF 21 KNOTS OR LESS AND
SEAS OF 7 FEET OR LESS TODAY THROUGH FRIDAY WITH A GRADUAL DECREASE
IN THE LOCAL WINDS OVER THE UPCOMING WEEKEND. SMALL CRAFT ADVISORIES
REMAIN IN EFFECT FOR MUCH OF THE REGIONAL WATERS AND LOCAL PASSAGES
DUE TO ROUGH WIND DRIVEN SEAS.
&&
.FIRE WEATHER...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED TO CONTINUE
OVER THE NEXT FEW DAYS...ESPECIALLY ACROSS THE SOUTHERN SLOPES OF PUERTO
RICO...DUE TO FAVORABLE WINDS...AND LOW LEVEL INSTABILITY. LOCAL AIR
MASS WILL REMAIN RELATIVELY DRY WITH MIXING HEIGHTS AROUND 5000 FEET
OR LESS OVER THE NEXT FEW DAYS...AND MIN RH VALUES IN THE LOW 40S.
LOCAL SURFACE WINDS ARE EXPECTED RANGE BETWEEN 15 TO 20 MPH OVER THE
NEXT COUPLE OF DAYS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 82 72 83 73 / 30 30 30 20
STT 83 73 85 76 / 40 40 40 20
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
527 AM AST THU MAR 1 2012
.SYNOPSIS...MID TO UPPER TROUGH ACROSS THE NORTHEASTERN CARIBBEAN...
WITH AXIS DIPPING SOUTH ACROSS THE LOCAL ISLANDS THEN INTO THE
EASTERN CARIBBEAN...WILL GRADUALLY LIFT EAST NORTHEAST WHILE FILLING
OVER THE NEXT 24 TO 36 HOURS. AN UPPER LEVEL RIDGE IS THEN FORECAST
TO BUILD WESTWARD ACROSS THE REGION INTO THE UPCOMING WEEKEND. BY
THEN EXPECT A MORE CONVERGENT AND SUBSIDENT UPPER LEVEL PATTERN
TO PREVAIL FROM THERE ON AND INTO THE WEEKEND. UNTIL THEN...STILL
EXPECT SUFFICIENT SHORT WAVE ENERGY AND JET DYNAMICS TO AFFECT THE
REGION AND THUS ENHANCE SOME EARLY MORNING AND AFTERNOON CONVECTION.
THE CONTINUED EASTWARD MIGRATION OF SURFACE HIGH PRESSURE SYSTEMS
NORTH OF THE AREA OVER THE NEXT SEVERAL DAYS...WILL HELP MAINTAIN
A FAIRLY TIGHT PRESSURE GRADIENT THROUGH AT LEAST FRIDAY...BEFORE
LOOSENING SOMEWHAT OVER THE UPCOMING WEEKEND. THIS PATTERN WILL
THEREFORE MAINTAIN MODERATE TO STRONG EASTERLIES AND BREEZY/GUSTY
CONDITIONS AT LEAST UNTIL FRIDAY.
&&
.DISCUSSION...LATEST SATELLITE IMAGERY AS WELL AS THE FAA TERMINAL
DOPPLER WEATHER RADAR SUGGESTS THAT THE PERSISTENT EASTERLIES WILL
CONTINUE TO ADVECT PATCHES OF LOW TO MID LEVEL CLOUDS WITH EMBEDDED
SHOWERS ACROSS THE FORECAST AREA. THE WEATHER REGIME IS EXPECTED
CONTINUE OVER THE NEXT SEVERAL DAYS. HOWEVER LATEST MODEL GUIDANCE
AS WELL AS SATELLITE IMAGERY CONTINUED TO SUGGEST NO SIGNIFICANT OR
WIDESPREAD MOISTURE INFLUX. THEREFORE...OVER THE NEXT SEVERAL DAYS
EXPECT MOSTLY LIGHT TO OCCASIONALLY MODERATE QUICK PASSING SHOWERS
ESPECIALLY DURING THE LATE EVENING AND EARLY MORNING HOURS. THIS
WILL BE FOLLOWED BY LIMITED RAINFALL AMOUNTS OVER THE ISLANDS DURING
THE REST OF THE DAY...AS SHOWER DEVELOPMENT IF ANY WILL QUICKLY STREAM
ACROSS THE ISLANDS...LEAVING MINIMAL ACCUMULATIONS.
&&
.AVIATION...A BAND OF MOISTURE WILL CONTINUE TO MOVE ACROSS THE
FORECAST AREA THIS MORNING. AS A RESULT...SHRA WILL BE PSBL ACROSS
NORTHERN AND EASTERN PR THRU AT LEAST 0114Z. PREVAILING VFR CONDITIONS
WILL CONTINUE ACROSS THE LOCAL ISLANDS AND AT ALL TAF SITES THRU THE
FORECAST PERIOD. HOWEVER...BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN
OBSCURATIONS ARE POSSIBLE IN PASSING +SHRA. THERE IS A SLIGHT CHANCE
OF ISOLD TSRA OVER WRN PR 01/17Z-01/21Z. LLVL WINDS WILL BE FM ENE
TO E AT 5 TO 20 KT...WITH SOME GUSTY WINDS ACCOMPANYING THESE SHWRS
&&
.MARINE...MARINERS SHOULD EXPECT WINDS OF 21 KNOTS OR LESS AND
SEAS OF 7 FEET OR LESS TODAY THROUGH FRIDAY WITH A GRADUAL DECREASE
IN THE LOCAL WINDS OVER THE UPCOMING WEEKEND. SMALL CRAFT ADVISORIES
REMAIN IN EFFECT FOR MUCH OF THE REGIONAL WATERS AND LOCAL PASSAGES
DUE TO ROUGH WIND DRIVEN SEAS.
&&
.FIRE WEATHER...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED TO CONTINUE
OVER THE NEXT FEW DAYS...ESPECIALLY ACROSS THE SOUTHERN SLOPES OF PUERTO
RICO...DUE TO FAVORABLE WINDS...AND LOW LEVEL INSTABILITY. LOCAL AIR
MASS WILL REMAIN RELATIVELY DRY WITH MIXING HEIGHTS AROUND 5000 FEET
OR LESS OVER THE NEXT FEW DAYS...AND MIN RH VALUES IN THE LOW 40S.
LOCAL SURFACE WINDS ARE EXPECTED RANGE BETWEEN 15 TO 20 MPH OVER THE
NEXT COUPLE OF DAYS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 82 72 83 73 / 30 30 30 20
STT 83 73 85 76 / 40 40 40 20
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- Location: St Lucia
Re: Caribbean - Central America Weather
Wet, wet, wet in the Eastern Caribbean. Heavy rain for several hours and gusting winds overnight. More rain showing on the radar and after several weeks of dry but cool evenings, it's starting to feel like an early start to the rainy season. posting.php?mode=reply&f=24&t=85676#
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- cycloneye
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- Posts: 145610
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- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
chrisjslucia wrote:Wet, wet, wet in the Eastern Caribbean. Heavy rain for several hours and gusting winds overnight. More rain showing on the radar and after several weeks of dry but cool evenings, it's starting to feel like an early start to the rainy season. posting.php?mode=reply&f=24&t=85676#
Great to see you again around here. Wow,so it's wet down there in the supposed dry period? If you know of a web cam from St Lucia,post it here as I have cams from the vast majority of the Islands,but among the very few that are not at first post,is St Lucia.
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- cycloneye
- Admin
- Posts: 145610
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
It has been a very active afternoon in PR as an upper trough has caused plenty of rain with a few flood advisories popping up (Posted at 2012 Flood Advisories thread)
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
321 PM AST THU MAR 1 2012
.SYNOPSIS...UPPER LEVEL TROUGH NORTHWEST OF THE AREA...WILL MOVE
EAST NEXT COUPLE OF DAYS. SURFACE HIGH PRESSURE WILL MAINTAIN
MODERATE TO FRESH TRADE WINDS ACROSS THE AREA.
&&
.DISCUSSION...AN ACTIVE AFTERNOON DEVELOPED WITH SCATTERED TO
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS. THE MAIN SHOWER
ACTIVITY OCCURRED ACROSS EL YUNQUE RAIN FOREST AND SOUTH OF THE SAN JUAN
METRO AREA...AND ALSO OVER THE WESTERN INTERIOR AND WEST SECTIONS
OF PUERTO RICO. AN UPPER LEVEL TROUGH LOCATED ACROSS THE MONA
PASSAGE THIS AFTERNOON...INDUCED AN UNSTABLE ATMOSPHERE ACROSS THE
REGION. INTERESTINGLY...THE 12Z TJSJ SOUNDING SHOWED CAPE OF 2132
J/KG WHICH IS QUITE IMPRESSIVE FOR MARCH 1ST...WITH TEMPERATURES
OF -13C AT 500MB LEVEL. WITH A LITTLE OF MOISTURE AT LOW
LEVEL...WITH PW VALUES OF ONLY 1.22 INCHES...COMBINED WITH THE
AFOREMENTIONED TROUGH... AND AN 80 KTS JET AT UPPER LEVELS OF THE
ATMOSPHERE...WERE GOOD ENOUGH TO PRODUCE AN ACTIVE
AFTERNOON...WITH FEW URBAN AND SMALL STREAM FLOOD ADVISORIES
ISSUED FOR SOME PARTS OF PUERTO RICO. THIS TROUGH IS EXPECTED TO
MOVE EAST DURING THE NEXT FEW DAYS...AS AN UPPER LEVEL RIDGE
ESTABLISH ACROSS THE REGION. ALTHOUGH CONDITIONS ARE EXPECTED TO
BE DRIER...PATCHES OF LOW LEVEL MOISTURE ARE EXPECTED TO AFFECT
THE REGION FROM TIME TO TIME. IN THE LONG TERM...NO SIGNIFICANT
WEATHER EVENTS ARE EXPECTED TO AFFECT THE LOCAL REGION.
&&
.AVIATION...MVFR AND POSSIBLE IFR CONDITIONS ARE EXPECTED TO
PREVAIL ACROSS TJMZ...IN SHRA/TSRA THROUGH AT LEAST 01/22Z.
ELSEWHERE...PASSING SHOWERS CAN BE EXPECTED...BUT OVERALL VFR
CONDITIONS ARE EXPECTED.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 72 82 72 83 / 30 30 20 20
STT 74 85 75 84 / 40 40 20 20
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
321 PM AST THU MAR 1 2012
.SYNOPSIS...UPPER LEVEL TROUGH NORTHWEST OF THE AREA...WILL MOVE
EAST NEXT COUPLE OF DAYS. SURFACE HIGH PRESSURE WILL MAINTAIN
MODERATE TO FRESH TRADE WINDS ACROSS THE AREA.
&&
.DISCUSSION...AN ACTIVE AFTERNOON DEVELOPED WITH SCATTERED TO
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS. THE MAIN SHOWER
ACTIVITY OCCURRED ACROSS EL YUNQUE RAIN FOREST AND SOUTH OF THE SAN JUAN
METRO AREA...AND ALSO OVER THE WESTERN INTERIOR AND WEST SECTIONS
OF PUERTO RICO. AN UPPER LEVEL TROUGH LOCATED ACROSS THE MONA
PASSAGE THIS AFTERNOON...INDUCED AN UNSTABLE ATMOSPHERE ACROSS THE
REGION. INTERESTINGLY...THE 12Z TJSJ SOUNDING SHOWED CAPE OF 2132
J/KG WHICH IS QUITE IMPRESSIVE FOR MARCH 1ST...WITH TEMPERATURES
OF -13C AT 500MB LEVEL. WITH A LITTLE OF MOISTURE AT LOW
LEVEL...WITH PW VALUES OF ONLY 1.22 INCHES...COMBINED WITH THE
AFOREMENTIONED TROUGH... AND AN 80 KTS JET AT UPPER LEVELS OF THE
ATMOSPHERE...WERE GOOD ENOUGH TO PRODUCE AN ACTIVE
AFTERNOON...WITH FEW URBAN AND SMALL STREAM FLOOD ADVISORIES
ISSUED FOR SOME PARTS OF PUERTO RICO. THIS TROUGH IS EXPECTED TO
MOVE EAST DURING THE NEXT FEW DAYS...AS AN UPPER LEVEL RIDGE
ESTABLISH ACROSS THE REGION. ALTHOUGH CONDITIONS ARE EXPECTED TO
BE DRIER...PATCHES OF LOW LEVEL MOISTURE ARE EXPECTED TO AFFECT
THE REGION FROM TIME TO TIME. IN THE LONG TERM...NO SIGNIFICANT
WEATHER EVENTS ARE EXPECTED TO AFFECT THE LOCAL REGION.
&&
.AVIATION...MVFR AND POSSIBLE IFR CONDITIONS ARE EXPECTED TO
PREVAIL ACROSS TJMZ...IN SHRA/TSRA THROUGH AT LEAST 01/22Z.
ELSEWHERE...PASSING SHOWERS CAN BE EXPECTED...BUT OVERALL VFR
CONDITIONS ARE EXPECTED.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 72 82 72 83 / 30 30 20 20
STT 74 85 75 84 / 40 40 20 20
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