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Re: Caribbean - Central America Weather Thread

#8421 Postby cycloneye » Sun Mar 27, 2011 4:30 pm

AN INDUCED LOW LEVEL TROUGH/EASTERLY PERTURBATION
AND ACCOMPANYING MOISTURE IS FORECAST TO ENTER THE NORTHEAST
CARIBBEAN.


I am reading this sentence right? The first tropical wave???

That area east of the Lesser Antilles.Image posted as imageshack.us

Image
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Re: Caribbean - Central America Weather Thread

#8422 Postby tropicana » Sun Mar 27, 2011 7:56 pm

Regional Highs and Rainfall ( rain is 8pmET Sat-8pmET Sun)
for Sun Mar 27 2011

HEAVY RAINS OVERNIGHT IN PARTS OF THE CENTRAL LESSER ANTILLES

Piarco Airport, Trinidad 31.5C 89F 3.6mm
Maraval, NW Trinidad 29.1C 85F 3.8mm
Crown Point, Tobago 30.1C 86F 9.0mm

Grantley Adams, Barbados 30.3C 86F
Arnos Vale, St Vincent 30.0C 86F 29.9mm

Hewannora Airport, St Lucia 30.0C 86F 25.3mm
Vigie Airport, St Lucia 29.9C 86F 12.0mm
LeLamentin, Martinique 29.7C 86F 33.0mm
Melville Hall, Dominica 29.1C 85F 0.4mm
Canefield Airport, Dominica 31.1C 88F

Golden Rock, St Kitts 29.8C 86F
VC Bird, Antigua 28.8C 84F
San Juan, Puerto Rico 31.1C 88F

Owen Roberts, Grand Cayman 30.3C 86F
Kingston, Jamaica 30.7C 87F
Havana, Cuba 31.6C 89F
Key West, Lower Keys FL 28.9C 84F
Marathon, Upper Keys FL 30.0C 86F
Miami, FL 31.6C 89F **Record high tied 1984**
Nassau, Bahamas 29.5C 85F
Hamilton, Bermuda 22.6C 73F

Cayenne, French Guiana 30.7C 87F 5.0mm
Timehri, Guyana 33.5C 93F 0.1mm

-justin-
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Re: Caribbean - Central America Weather Thread

#8423 Postby Macrocane » Sun Mar 27, 2011 9:01 pm

cycloneye wrote:
I am reading this sentence right? The first tropical wave???


It seems that it's only analyzed as a weak trough in the latest Atlantic TWD:
A WEAK SURFACE TROUGH IS E OF THE
WINDWARD ISLANDS FROM 14N50W TO 09N53W MOVING W. SCATTERED
SHOWERS ARE WITHIN 30 NM OF THE TROUGH.

It seems that we'll have to wait a little more for the first TW.
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Re: Caribbean - Central America Weather Thread

#8424 Postby Macrocane » Sun Mar 27, 2011 10:45 pm

WARMEST DAY OF 2011 SO FAR FOR MOST OF CENTRAL AMERICA

Today several locations registered their warmest high temperature for 2011 so far. The minimum temps are not showing a significant warming trend yet though.

Minimum Temperatures
Belize city, Belize 25°C (77°F)
Mountain Pine Ridge, Belize 18.7°C (65.7°F)
Guatemala city, Guatemala 14°C (57°F)
Quetzaltenango, Guatemala 8.7°C (47.7°F)
Zacapa, Guatemala 21°C (70°F)
San Salvador, El Salvador 17°C (63°F)
Las Pilas, El Salvador 8°C (46°F)
San Miguel, El Salvador 20°C (68°F)
Tegucigalpa, Honduras 13°C (55°F)
La Esperanza, Honduras 9°C (48°F)
Choluteca, Honduras 23°C (73°F)
Managua, Nicaragua 24°C (75°F)
Esteli, Nicaragua 15.5°C (59.9°F)
San Jose, Costa Rica 17.5°C (63.5°F)
Irazu volcano, Costa Rica 7.1°C (44.8°F) Warmest of the year.
Panama city, Panama 23.5°C (74.3°F)
Boquete, Panama 14.9°C (58.8°F)

Maximum Temperatures
Belize city, Belize 32°C (90°F) Warmest of the year.
Mountain Pine Ridge 33.7°C (92.7°F) Warmest of the year.
Guatemala city, Guatemala 25°C (77°F)
Quetzaltenango, Guatemala 19.6°C (67.3°F)
Zacapa, Guatemala 38°C (100°F)
San Salvador, El Salvador 32°C (90°F)
Las Pilas, El Salvador 21°C (70°F)
San Miguel, El Salvador 37°C (99°F)
Tegucigalpa, Honduras 32°C (90°F) Warmest of the year.
La Esperanza, Honduras 25°C (77°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 36°C (97°F) Warmest of the year.
Esteli, Nicaragua 30.1°C (86.2°F) Warmest of the year.
San Jose, Costa Rica 30.4°C (86.7°F)
Irazu volcano, Costa Rica 20.5°C (68.9°F) Warmest of the year.
Panama city, Panama 35.3°C (95.5°F) Warmest of the year.
Boquete, Panama 26.4°C (79.5°F) Warmest of the year.
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Re: Caribbean - Central America Weather Thread

#8425 Postby cycloneye » Mon Mar 28, 2011 6:10 am

Good morning.


AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
459 AM AST MON MAR 28 2011

.SYNOPSIS...BROAD UPPER LEVEL RIDGING WILL CONTINUE OVER THE EASTERN
CARIBBEAN AND MAINTAIN A GENERAL WESTERLY/ZONAL FLOW ACROSS THE
REGION. THIS PATTERN WILL TRANSLATE TO A OVERALL SUBSIDENCE AND
FAIRLY DRY AIR MASS ACROSS THE NORTHEAST CARIBBEAN AT LEAST THROUGH
TUESDAY.

&&

.DISCUSSION...THE DOPPLER RADAR ONLY REPORTED ISOLATED SHOWERS
MOVING ACROSS THE LOCAL ATLANTIC WATERS. MOST OF THE LANDMASS
REMAIN DRY THROUGH THE OVERNIGHT HOURS.

A MUCH STABLE UPPER LEVELS IS EXPECTED TO PREVAIL TODAY AS THE SUB
TROPICAL JET MOVED TOWARD THE EAST AND AWAY FROM THE LOCAL REGION.
LOCAL EFFECTS AND AVAILABLE MOISTURE WILL GENERATE ISOLATED TO
SCATTERED SHOWERS ACROSS THE WESTERN INTERIOR SECTIONS OF PUERTO
RICO THIS AFTERNOON. EXPECT A MORE STABLE AND DRIER CONDITIONS ON
TUESDAY.

A LOW LEVEL DISTURBANCE NOW LOCATED ABOUT 650 MILES EAST OF THE
LESSER ANTILLES WILL CONTINUE TO MOVE WEST AND ACROSS THE LOCAL
WATERS BETWEEN TUESDAY NIGHT AND WEDNESDAY. THIS FEATURE WILL
GENERATE A SIGNIFICANT INCREASE ON CLOUD AND SHOWER COVERAGE
ACROSS THE LOCAL FORECAST AREA.

&&

.AVIATION...VFR CONDITIONS WILL PREVAIL ACROSS THE LOCAL FLYING AREA
THROUGH AT LEAST 28/18Z. MVFR CONDITIONS WILL BE POSSIBLE ACROSS
TJBQ...AND TJMZ FROM 28/18Z THROUGH AT LEAST 28/22Z IN SCATTERED
SHOWERS. SURFACE WINDS WILL BE MAINLY EAST TO SOUTHEAST AT 10 TO 15
KTS.


&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 84 73 86 75 / 10 10 20 50
STT 84 73 84 76 / 20 20 20 40

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Re: Caribbean - Central America Weather Thread

#8426 Postby cycloneye » Mon Mar 28, 2011 1:57 pm

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
232 PM AST MON MAR 28 2011

.SYNOPSIS...SURFACE HIGH PRESSURE WILL CONTINUE TO DOMINATE THE
ATLANTIC WITH AN ELONGATED RIDGE EXTENDING FROM THE EAST ATLANTIC
WESTWARD INTO THE SOUTHWEST ATLANTIC AND JUST NORTH OF THE LOCAL
AREA THROUGH AT LEAST EARLY WEDNESDAY. A LOW LEVEL DISTURBANCE IS
EXPECTED TO REACH THE LOCAL AREA LATE TUESDAY THROUGH WEDNESDAY...
BRINGING AN INCREASE IN SHOWER AND CLOUD COVERAGE ACROSS THE LOCAL
ISLANDS.

&&

.DISCUSSION...ISOLATED TO SCATTERED SHOWERS...SOME OF THE WITH
LOCALLY HEAVY RAIN...AND ISOLATED THUNDERSTORMS ARE EXPECTED
ACROSS THE CORDILLERA CENTRAL...NORTHWESTERN PORTIONS OF PUERTO
RICO AS WELL AS PARTS OF THE SAN JUAN METRO AREA THIS AFTERNOON
AS A RESULT OF AVAILABLE MOISTURE COMBINED WITH LOCAL EFFECTS
AND DIURNAL HEATING. THESE SHOWERS SHOULD DISSIPATED AFTER
SUNSET...LEAVING PARTLY CLOUDY SKIES.

THE AVAILABLE MOISTURE ACROSS THE LOCAL ISLANDS IS ACCOMPANYING
THE LEADING EDGE OF AN EASTERLY DISTURBANCE. THE AFOREMENTIONED
DISTURBANCE WILL CONTINUE TO AFFECT THE LOCAL AREA DURING THE
LATE AFTERNOON AND EARLY EVENING HOURS...RESULTING IN ISOLATED TO
SCATTERED LIGHT PASSING SHOWERS. HOWEVER...LATEST SATELLITE
IMAGERY INDICATES A DRIER SLOT BEHIND THE DISTURBANCE...WHICH
IS EXPECTED TO MOVE ACROSS THE LOCAL ISLANDS OVERNIGHT AND TUESDAY
MORNING.

MODEL GUIDANCE CONTINUES TO INDICATE...AN INDUCED LOW LEVEL
TROUGH/EASTERLY PERTURBATION AND ACCOMPANYING MOISTURE ACROSS THE
LOCAL AREA BY LATE TUESDAY AND WEDNESDAY. THE BULK OF MOISTURE
SHOULD REMAIN NORTH NORTHEAST OF THE LOCAL ISLANDS. BUT STILL
EXPECT A SLIGHT INCREASE AND ENHANCEMENT OF THE EARLY MORNING AND
AFTERNOON CONVECTION ACROSS PARTS OF THE ISLANDS. WIDESPREAD
PRECIPITATION IS NOT EXPECTED AT THIS TIME. LATE THURSDAY THROUGH
AT LEAST SUNDAY...LIGHT MORNING SHOWERS EMBEDDED IN THE TRADES
ACROSS THE WINDWARD SIDE OF THE LOCAL ISLANDS...WITH CHANCE OF AN
ISOLATED AFTERNOON SHOWER OR TWO ACROSS THE CORDILLERA CENTRAL IS
EXPECTED EACH DAY. NO ADJUSTMENT WERE MADE TO THE FORECAST PACKAGE
DUE TO A GOOD HANDLING OF THE FORESEEN SITUATION.

&&

.AVIATION...EXPECT TO ISOLD-SCT PASSING SHRA ACROSS PARTS OF THE
CORDILLERA CENTRAL OF PR...AND EN ROUTE BTW ERN PR AND THE VI TIL
28/23Z. THIS WILL RESULT IN BRIEF MVFR CONDS DUE TO PASSING SHRA
AND TEMPO LOW LVL CIGS BTW 020-030K FT. THEREAFTER VFR CONDS WILL
PREVAIL AT LOCAL TAF SITES DURG THE OVERNIGHT HOURS WITH NO SIGNIFICANT
OPERATIONAL IMPACTS AT THIS TIME.

&&

.MARINE...TRANQUIL MARINE CONDITIONS ARE EXPECTED TO PREVAIL FOR
THE NEXT FEW DAYS ACROSS THE REGIONAL WATERS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 74 86 74 85 / 10 20 50 40
STT 73 84 75 83 / 20 20 40 30

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Re: Caribbean - Central America Weather Thread

#8427 Postby Macrocane » Mon Mar 28, 2011 8:18 pm

HOTTEST TEMPERATURE OF THE YEAR IN CENTRAL AMERICA

For the 3rd consecutive day most of Central America has experienced its hottest maximum temperatures for this year so far, the only exception to this trend was El Salvador that had slightly below average temperatures. The minimum temps have been cooler than average in Guatemala and El Salvador the rest of the region had normal or above normal lows some of them even had their warmest lows for this year.

Minimum Temperatures
Belize city, Belize 26°C (79°F) Warmest for 2011
Mountain Pine Ridge, Belize 21.1°C (70.0°F) Warmest for 2011
Guatemala city, Guatemala 11°C (52°F)
Quetzaltenango, Guatemala 6.7°C (44.1°F)
Zacapa, Guatemala 18°C (64°F)
San Salvador, El Salvador 17.3°C (63.1°F)
Las Pilas, El Salvador 9.4°C (48.9°F)
San Miguel, El Salvador 20.0°C (68.0°F)
Tegucigalpa, Honduras 14.0°C (57°F)
La Esperanza, Honduras 14.0°C (57°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 25°C (77°F) Warmest for 2011
Jinotega, Nicaragua 16°C (61°F)
San Jose, Costa Rica 18.2°C (64.8°F) Warmest for 2011.
Irazu volcano, Costa Rica 7.2°C (45.0°F) Warmest for 2011.
Panama city, Panama 23.6°C (74.5°F)
Boquete, Panama 15.2°C (59.4°F)

Maximum Temperatures

Belize city, Belize 34°C (93°F) Warmest for 2011.
Mountain Pine Ridge 33.4°C (92.1°F)
Guatemala city, Guatemala 27°C (81°F)
Quetzaltenango, Guatemala 22.0°C (71.6°F)
Zacapa, Guatemala 40°C (104°F) Warmest for 2011 in Central America.
San Salvador, El Salvador 31.6°C (88.9°F)
Las Pilas, El Salvador 22°C (71.6°F) Warmest for this month.
San Miguel, El Salvador 37.4°C (99.3°F)
Tegucigalpa, Honduras 32°C (90°F)
La Esperanza, Honduras 26°C (79°F) Warmest for this month.
Choluteca, Honduras 37°C (99°F)
Managua, Nicaragua 37°C (99°F) Warmest for 2011.
Jinotega, Nicaragua 29°C (84°F)
San Jose, Costa Rica 29.6°C (85.3°F)
Irazu volcano, Costa Rica 16.7°C (62.1°F)
Panama city, Panama 34.2°C (93.6°F)
Boquete, Panama 26.0°C (78.8°F)
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Re: Caribbean - Central America Weather Thread

#8428 Postby cycloneye » Mon Mar 28, 2011 8:35 pm

Zacapa, Guatemala 40°C (104°F) Warmest for 2011 in Central America.


Wow!,for being late March,that is a very extreme high over there. And those swings between the highs and the lows are big.
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Re: Caribbean - Central America Weather Thread

#8429 Postby Macrocane » Mon Mar 28, 2011 9:13 pm

cycloneye wrote:
Wow!,for being late March,that is a very extreme high over there. And those swings between the highs and the lows are big.


Yep, that big swing between highs and lows is one of the interesting characteristics for this time of year, and we still have at least one month more of very warm temperatures as the rainy season begins until May.
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Re: Caribbean - Central America Weather Thread

#8430 Postby cycloneye » Tue Mar 29, 2011 10:26 am

Good morning.I am posting the morning discussion very late as I was at the doctor. (Rutine checkup)

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
530 AM AST TUE MAR 29 2011

.SYNOPSIS...A LOW LEVEL DISTURBANCE WILL APPROACH THE LOCAL AREA
LATE TODAY THROUGH WEDNESDAY...BRINGING AN INCREASE IN SHOWER AND
CLOUD COVERAGE ACROSS THE LOCAL ISLANDS. HIGH PRESSURE WILL BUILD
ACROSS THE REGION BEHIND THE LOW LEVEL DISTURBANCE. HIGHER THAN
NORMAL TEMPERATURES ARE THEN EXPECTED AT THE END OF THE WEEK AS A
SOUTHWEST WIND FLOW ESTABLISH ACROSS THE REGION.

&&

.DISCUSSION...MOISTURE IS INCREASING FROM THE EAST...AS A LOW LEVEL
DISTURBANCE LOCATED THIS MORNING EAST OF THE LESSER ANTILLES
APPROACH THE LOCAL AREA. SATELITE IMAGES AND MARTINIQUE RADAR
SHOWED THIS MORNING SCATTERED SHOWERS APPROACHING THE LEEWARD
ISLANDS. THIS ACTIVITY WILL SPREAD WESTWARD AND WILL INCREASE THE
SHOWER ACTIVITY...FIRST...ACROSS THE U.S. VIRGIN ISLANDS...AND
THEN ACROSS PUERTO RICO LATE TONIGHT AND EARLY WEDNESDAY. COMPUTER
MODELS HAS BEEN FORECASTING THIS SCENARIO VERY WELL...WITH THE
ONLY DIFFERENCE IN THE ARRIVAL TIME OF THE DISTURBANCE. IN
GENERAL...WEDNESDAY IS EXPECTED TO BE THE WETTEST DAY...FOLLOW BY
A DRYING TREND...STARTING WEDNESDAY NIGHT...AS A HIGH PRESSURE
SYSTEM BUILDS ACROSS THE REGION FROM THE EAST.

IN THE MID TO LONG TERM FORECAST...A COLD FRONT IS EXPECTED TO
EXIT THE U.S. COAST DURING THE WEEKEND...AND IS FORECAST TO
APPROACH THE LOCAL AREA THE BEGINNING OF NEXT WEEK. ALTHOUGH THIS
FRONT IS NOT EXPECTED TO AFFECT THE LOCAL AREA AT THIS TIME...THE
PROXIMITY OF THIS FEATURE WILL INDUCE A SHIFT IN THE WIND
DIRECTION TO A MORE SOUTHERLY COMPONENT...WHICH WILL PROMOTE
HIGHER THAN NORMAL TEMPERATURES ACROSS THE NORTHERN SLOPES OF
PUERTO RICO.

&&

.AVIATION...EXPECT ISOLD-SCT PASSING SHRA ACROSS EASTERN SECTIONS OF
PUERTO RICO AS WELL AS ACROSS THE U.S.V.I. THROUGH THE EARLY MORNING
HOURS. THIS WILL RESULT IN BRIEF MVFR CONDITIONS ACROSS...TISX...
TIST AND TJSJ. SCATTERED TO NUMEROUS SHOWERS ASSOCIATED TO A LOW
LEVEL DISTURBANCE WILL CONTINUE TO AFFECT THE LESSER ANTILLES
AFFECTING THE TERMINALS OF TKPK AND TNCM THROUGH LATE MORNING. THIS
WEATHER FEATURE WILL CONTINUE TO MOVE WEST OVER THE LOCAL FORECAST
AREA GENERATING BRIEF MVFR CONDITIONS ACROSS THE PUERTO RICO AND
U.S. VIRGIN ISLANDS TERMINALS THROUGH EARLY WEDNESDAY MORNING.


&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 84 73 84 74 / 60 40 40 10
STT 83 73 83 76 / 50 50 20 10
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Re: Caribbean - Central America Weather Thread

#8431 Postby cycloneye » Tue Mar 29, 2011 2:31 pm

000
FXCA62 TJSJ 291827
AFDSJU

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
227 PM AST TUE MAR 29 2011

.SYNOPSIS...A LOW LEVEL DISTURBANCE NOW LOCATED OVER THE LESSER
ANTILLES WILL CONTINUE TO MOVE WEST...BRINGING AN INCREASE IN
CLOUD AND SHOWER COVERAGE ACROSS THE FORECAST AREA LATE THIS
EVENING AND WEDNESDAY. A SURFACE RIDGE ACROSS THE EASTERN
ATLANTIC WILL MAINTAIN A MODERATE TO LOCALLY FRESH TRADE WIND
FLOW THROUGH THE END OF THE WEEK.

&&

.DISCUSSION...ISOLATED TO SCATTERED SHOWERS...SOME OF THE WITH
LOCALLY HEAVY RAINFALL...ARE EXPECTED ACROSS THE CORDILLERA
CENTRAL AND NORTHERN SLOPES OF PUERTO RICO THIS AFTERNOON AS A
RESULT OF AVAILABLE MOISTURE COMBINED WITH LOCAL EFFECTS AND
DIURNAL HEATING. THESE SHOWERS SHOULD DISSIPATED AFTER SUNSET.

AN INDUCED LOW LEVEL TROUGH/EASTERLY PERTURBATION AND ACCOMPANYING
MOISTURE IS EXPECTED TO REACH THE LOCAL AREA LATE THIS EVENING AND
WEDNESDAY. AN INCREASE AND ENHANCEMENT OF THE EARLY MORNING AND
AFTERNOON CONVECTION ACROSS PARTS OF THE LOCAL ISLANDS IS
THEREFORE EXPECTED OVERNIGHT AND WEDNESDAY. HOWEVER...WIDESPREAD
PRECIPITATION IS NOT EXPECTED AT THIS TIME. LATE THURSDAY THROUGH
AT LEAST SUNDAY...LIGHT MORNING SHOWERS EMBEDDED IN THE TRADES
ACROSS THE WINDWARD SIDE OF THE LOCAL ISLANDS...WITH LIMITED
AFTERNOON CONVECTION CAN BE EXPECTED EACH DAY.

LOOKING AHEAD...A COLD FRONT IS EXPECTED TO EXIT THE U.S. COAST
DURING THE WEEKEND...AND IS FORECAST TO APPROACH THE LOCAL AREA
EARLY NEXT WEEK. ALTHOUGH THIS FRONT IS NOT EXPECTED TO AFFECT THE
LOCAL AREA AT THIS TIME...THE PROXIMITY OF THIS FEATURE WILL INDUCE
A SHIFT IN THE WIND DIRECTION TO A MORE SOUTHERLY COMPONENT. AS A
RESULT...HIGHER THAN NORMAL TEMPERATURES ARE LIKELY.

&&

.AVIATION...MOSTLY SCT-BKN LYRS OF LOW TO MID LEVEL CLDS MAINLY BTW
020-100K FT WILL CONTINUE TO MOVE WESTWARD ACROSS THE LOCAL FLYING
AREA THROUGH THE EVENING AND OVERNIGHT HOURS. EMBEDDED -SHRA/SHRA
WILL LEAD TO TEMPO MVFR CONDS AS THESE...ALONG WITH AFTN SHRA WHICH
WILL DEVELOP ACROSS THE INTERIOR SECTIONS OF PUERTO RICO...MOVE
ACROSS PARTS OF THE ISLANDS AND SURROUNDING WATERS DURG THE NXT 24
HRS. OVERALL VFR CONDS WILL PERSIST AT LCL TAF SITES EXCEPT FOR
BRIEF MVFR CONDS AT TJSJ...TJBQ...TJMZ AT LEAST UNTIL 29/23Z. TEMPO
MVFR CONDS EXPECTED VCNTY AND EN ROUTE TO VI FM 30/04Z-30/12Z DUE TO
BRIEF PASSING SHRA AND LOW CIGS.

&&

.MARINE...TRANQUIL MARINE CONDITIONS ARE EXPECTED TO PREVAIL FOR
THE NEXT FEW DAYS ACROSS THE REGIONAL WATERS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 73 84 74 85 / 40 40 30 20
STT 73 83 76 84 / 60 30 20 10

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Re: Caribbean - Central America Weather Thread

#8432 Postby cycloneye » Tue Mar 29, 2011 5:45 pm

FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN JUAN PR
609 PM AST TUE MAR 29 2011

PRC051-300000-
/O.NEW.TJSJ.FA.Y.0022.110329T2209Z-110330T0000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DORADO PR-
609 PM AST TUE MAR 29 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED AN

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR MINOR FLOODING OF POOR
DRAINAGE AREAS IN
FOR THE FOLLOWING MUNICIPALITY...

IN PUERTO RICO
DORADO

* UNTIL 800 PM AST

* AT 606 PM AST...DOPPLER RADAR INDICATED A HEAVY SHOWER NEARLY
STATIONARY OVER DORADO WITH RADAR ESTIMATES INDICATING 2 TO 4 INCHES
OF RAIN ALREADY IN THE LAST HOUR. THIS AMOUNT OF RAIN WILL BE
CAPABLE OF PRODUCING FLOODING OF STREETS...LOW LYING AREAS AND STORM
DRAINS. ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES WILL BE
POSSIBLE IN THE ADVISORY AREA.

&&

LAT...LON 1842 6629 1848 6632 1847 6624 1845 6626
1839 6626 1838 6628 1839 6629

$$

ROSA
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Re: Caribbean - Central America Weather Thread

#8433 Postby tropicana » Tue Mar 29, 2011 7:37 pm

Regional Highs and Rainfall (rain is 8pmET Mon-8pmET Tues) for
Tue Mar 29 2011

DRY SEASON SHOWERS CONTINUE DOUSING MANY ISLANDS ACROSS EASTERN CARIBBEAN

Piarco Airport, Trinidad 32.9C 91F 0.2mm
Crown Point, Tobago 30.1C 86F trace
Point Salines, Grenada 29.3C 85F
Grantley Adams, Barbados 31.1C 88F 7.1mm

Arnos Vale, St Vincent 30.4C 86F 2.6mm
Hewannora Airport, St Lucia 29.5C 85F 15.3mm
Vigie Airport, St Lucia 29.6C 86F 32.4mm
Melville Hall, Dominica 28.8C 84F 13.0mm
Canefield Airport, Dominica 30.4C 86F 0.5mm

LeLamentin, Martinique 29.0C 84F 24.1mm
Golden Rock, St Kitts 29.2C 85F 2.2mm
VC Bird Airport, Antigua 29.7C 86F 0.2mm
St Croix, Virgin Islands 30.0C 86F
San Juan, Puerto Rico 28.3C 83F 3.3mm

Montego Bay, Jamaica 31.1C 88F
Havana, Cuba 32.9C 91F
Key West, FLorida 28.3C 83F trace
Marathon, FL 29.4C 85F
Miami, FL 29.3C 85F 1.3mm
Nassau, Bahamas 29.7C 86F
Hamilton, Bermuda 18.5C 67F 0.8mm


Hato Airport, Curacao 28.8C 84F
Flamingo Airport, Bonaire 30.5C 87F

Cayenne, French Guiana 31.0C 88F 24.8mm
Timehri Airport, Guyana 32.1C 90F 0.4mm

-justin-
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Re: Caribbean - Central America Weather Thread

#8434 Postby Macrocane » Tue Mar 29, 2011 8:30 pm

A NEW HOTTEST TEMPERATURE FOR 2011 IN CENTRAL AMERICA REGISTERED TODAY

-The hottest temperature of the year in Central America was registered this afternoon in Zacapa, Guatemala surpassing the previous hottest temperature registered just yesterday in that same location.
-Ironically Quetzaltenango in Guatemala had a freeze today :eek:
-Guatemala, Honduras, El Salvador and Costa Rica had cool minimum temps but very warm maximum.
-Belize, Nicaragua and Panama had warm lows and highs.

Minimum Temperatures
Belize city, Belize 27°C (81°F) Warmest for 2011. Yeah this is a low not a high.
Mountain Pine Ridge, Belize 20.3°C (68.5°F)
Guatemala city, Guatemala 12°C (54°F)
Quetzaltenango, Guatemala -0.4°C (31.3°F)
Zacapa, Guatemala 20°C (68°F)
San Salvador, El Salvador 17.9°C (64.2°F)
Las Pilas, El Salvador 9.0°C (48.2°F)
San Miguel, El Salvador 20.2°C (68.4°F)
Tegucigalpa, Honduras 16°C (61°F)
La Esperanza, Honduras 7°C (45°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 25°C (77°F)
Jinotega, Nicaragua 19°C (66°F) Warmest for 2011.
San Jose, Costa Rica 17.9°C (64.2°F)
Irazu volcano, Costa Rica 4.9°C (45.0°F)
Panama city, Panama 23.4°C (74.1°F)
Boquete, Panama 15.4°C (59.7°F)

Maximum Temperatures
Belize city, Belize 31°C (88°F)
Mountain Pine Ridge 31.9°C (89.4°F)
Guatemala city, Guatemala 27°C (81°F)
Quetzaltenango, Guatemala 21.0°C (69.8°F)
Zacapa, Guatemala 41°C (106°F) Warmest for 2011 in Central America.
San Salvador, El Salvador 31.9°C (89.4°F)
Las Pilas, El Salvador 23.9°C (75.0°F) Warmest for 2011.
San Miguel, El Salvador 37.7°C (99.9°F)
Tegucigalpa, Honduras 30°C (86°F)
La Esperanza, Honduras 26°C (79°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 36°C (97°F)
Jinotega, Nicaragua 29°C (84°F)
San Jose, Costa Rica 29.6°C (85.3°F)
Irazu volcano, Costa Rica 17.9°C (64.2°F)
Panama city, Panama 33.6°C (92.5°F)
Boquete, Panama 23.9°C (75.0°F)
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Re: Caribbean - Central America Weather Thread

#8435 Postby cycloneye » Tue Mar 29, 2011 9:46 pm

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
959 PM AST TUE MAR 29 2011

.UPDATE...A VERY ACTIVE CONVECTIVE AFTERNOON WAS SEEN ACROSS
NORTHERN PUERTO RICO. THE SHOWER ACTIVITY WHICH AFFECTED NORTHERN
SECTIONS OF PUERTO RICO HAD MOVED OVER WATERS. AT THIS TIME...NWS
DOPPLER RADAR INDICATES A FEW SHOWERS OVER THE ATLANTIC NEAR-
SHORE WATERS. THE HEAVIEST RAINFALL OCCURRED OVER DORADO...TOA
BAJA AND VEGA ALTA LATE THIS AFTERNOON. RADAR ESTIMATES RAINFALL
AMOUNTS OF 3 TO 5 INCHES IN SEVERAL PARTS OF DORADO. OTHER AREAS
OF TOA BAJA AND VEGA ALTA RECEIVED AT LEAST 2 INCHES OF RAIN.

SATELLITE IMAGERY SHOWS AN AREA OF LOW LEVEL MOISTURE ASSOCIATED
WITH A SURFACE TROUGH OVER THE ANEGADA PASSAGE MOVING WEST
NORTHWEST AT 10 TO 15 KNOTS. THIS HUMID AND UNSTABLE AIRMASS WILL
FAVOR SCATTERED CONVECTION ACROSS EASTERN PUERTO RICO...CULEBRA...
VIEQUES AND THE USVI DURING THE NEXT 24 HOURS. THEREFORE...EXPECT
LOCALLY HEAVY SHOWERS WITH POSSIBLE ISOLATED THUNDERSTORMS ACROSS
PARTS OF PUERTO RICO AND THE USVI THROUGH WEDNESDAY AFTERNOON.

&&

.AVIATION...SCT SHWRS ASSOCIATED WITH A SURFACE TROUGH WILL CONTINUE
TO AFFECT TKPK AND TNCM THROUGH LATE TONIGHT. THIS WEATHER FEATURE
WILL CONTINUE TO MOVE WNW OVER THE FORECAST AREA GENERATING BRIEF
MVFR CONDITIONS ACROSS THE PUERTO RICO AND U.S. VIRGIN ISLANDS
TERMINALS THROUGH WEDNESDAY AFTERNOON
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Re: Caribbean - Central America Weather Thread

#8436 Postby cycloneye » Wed Mar 30, 2011 5:52 am

Good morning. Scattered showers are forecast for today in Puerto Rico.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
545 AM AST WED MAR 30 2011

.SYNOPSIS...A SURFACE TROUGH WILL MOVE WEST NORTHWEST ACROSS THE
LOCAL ISLANDS TODAY THROUGH EARLY TONIGHT AND THEN AWAY FROM THE
LOCAL AREA LATE TONIGHT AND THURSDAY. THIS TROUGH WILL BRING AN
INCREASE IN CLOUDINESS...SHOWERS AND A COUPLE OF THUNDERSTORMS TO
THE LOCAL ISLANDS. BEHIND THIS FEATURE...AN ELONGATED MID TO UPPER
LEVEL RIDGE AND OVERALL DRIER AIR MASS...SHOULD RESULT IN A
GENERALLY FAIR AND MAINLY DRY WEATHER PATTERN INTO THE WEEKEND.

&&

.DISCUSSION...AFOREMENTIONED SURFACE TROUGH WILL MOVE WEST
NORTHWEST ACROSS THE LOCAL ISLANDS TODAY THROUGH EARLY TONIGHT
AND THEN AWAY FROM THE LOCAL AREA LATE TONIGHT AND THURSDAY. THIS
TROUGH AND ITS ASSOCIATED MOISTURE WILL COMBINE WITH LOCAL EFFECTS
AND UPPER LEVEL VENTILATION...TO PRODUCE A GOOD DEAL OF
CLOUDINESS...SCATTERED TO LOCALLY NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS OVER PARTS OF THE LOCAL ISLANDS. ALTHOUGH NO
SIGNIFICANT FLOODING IS EXPECTED AT THIS TIME...PERIODS OF HEAVY
RAINFALL COULD RESULT IN SOME URBAN AND SMALL STREAM FLOODING IN A
FEW LOCATIONS...PARTICULARLY LATE THIS MORNING THROUGH THIS
AFTERNOON OVER THE CENTRAL AND WESTERN INTERIOR...WEST...
NORTHWEST AND NORTH CENTRAL SECTIONS OF PUERTO RICO...AS WELL AS
OVER PARTS OF THE SAN JUAN METRO AREA. BEHIND THIS FEATURE...AN
ELONGATED MID TO UPPER LEVEL RIDGE AND OVERALL DRIER AIR MASS...
SHOULD RESULT IN A GENERALLY FAIR AND MAINLY DRY WEATHER PATTERN
ACROSS THE LOCAL ISLANDS FOR THURSDAY...FRIDAY...AND PROBABLY
SATURDAY ALSO...WITH MAINLY SOUTHEAST SURFACE WINDS ALLOWING NORTH
COASTAL HIGH TEMPERATURES TO CLIMB INTO TO THE UPPER 80S TO AROUND
90 DEGREES. HOWEVER...IN ABSENCE OF MID LEVEL HIGH PRESSURE
BUILDING RIGHT OVERHEAD DURING THIS TIME...STILL FEEL THAT LOCAL
EFFECTS WILL COMBINE WITH LIMITED AVAILABLE MOISTURE EACH
AFTERNOON...TO PRODUCE AT LEAST SOME LOCALIZED CLOUDINESS AND A
FEW SHOWERS.

&&

.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS THE LOCAL
ISLANDS AND ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
SCATTERED TO LOCALLY NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS
WILL CONTINUE TO SPREAD ACROSS AND/OR DEVELOP OVER THE LOCAL
ISLANDS TODAY THROUGH EARLY TONIGHT...RESULTING IN MORE FREQUENT
THAN NORMAL MVFR CONDITIONS AND MOUNTAIN OBSCURATIONS ACROSS THE
LOCAL ISLANDS...ESPECIALLY LATE THIS MORNING THROUGH THIS
AFTERNOON OVER THE CENTRAL AND WESTERN INTERIOR...WEST...
NORTHWEST AND NORTH CENTRAL SECTIONS OF PUERTO RICO...AS WELL AS
OVER PARTS OF THE SAN JUAN METRO AREA.

&&

.MARINE...GENERALLY EXPECT WINDS OF 19 KNOTS OR LESS AND SEAS OF
6 FEET OR LESS ACROSS THE REGIONAL WATERS THROUGH AT LEAST FRIDAY.
SCATTERED TO LOCALLY NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS
ARE EXPECTED OVER PARTS OF THE LOCAL WATERS TODAY THROUGH EARLY
TONIGHT...AS THE SURFACE TROUGH AND ITS ASSOCIATED MOISTURE MOVE
ACROSS THE AREA.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 84 74 85 74 / 60 30 20 10
STT 84 75 85 77 / 60 20 10 10

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Re: Caribbean - Central America Weather Thread

#8437 Postby cycloneye » Wed Mar 30, 2011 12:58 pm


AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1242 PM AST WED MAR 30 2011

.UPDATE...SIRENS FOR A TSUNAMI DRILL SOUNDED IN MAYAGUEZ SHORTLY
AFTER NOON. THIS WAS ONLY A TEST. THE TROUGH OVER THE LEEWARD
ISLANDS IS NOW PASSING SAINT THOMAS AND SAINT CROIX. SAINT
THOMAS WAS RECEIVING VERY HEAVY RAIN...MAINLY ON ITS SOUTH COAST.
ACCUMULATIONS AS OF 12:20 PM AST WERE LESS THAN ONE INCH. SHOWERS
ARE NOW DEVELOPING ON THE NORTH COAST OF PUERTO RICO FROM ARECIBO
TO QUEBRADILLAS. ACTIVITY IS EXPECTED TO INCREASE UNTIL THE TROUGH
PASSES OVER PUERTO RICO BEGINNING LATE THIS AFTERNOON AND
CONTINUING UNTIL LATE EVENING. SOME OF THE AMOUNTS RECEIVED COULD
BE SUFFICIENT TO TRIGGER FLOODING IN ISOLATED REGIONS AND SOME
URBAN AREAS.


&&

.DISCUSSION...THE PASSING TROUGH BROUGHT LOW CEILINGS AND
VISIBILITIES TO SAINT CROIX AND IS EXPECTED TO BRING WORSENING
CONDITIONS TO AIRPORTS IN PUERTO RICO AS WELL. IFR CONDITIONS WERE
REPORTED IN SAINT CROIX. THE MIMIC PRODUCT ALSO SHOWED THAT
MOISTURE IN EXCESS OF 1.5 INCHES OF PRECIPITABLE WATER WAS
CROSSING SAINT CROIX AND WOULD LIKELY ARRIVE IN PUERTO RICO DURING
THE AFTERNOON. SEA BREEZE CONVERGENCE AGAINST THE PREVAILING
SOUTHEAST FLOW HAS ALREADY PRODUCED SHOWERS WITH 20 THOUSAND FOOT
TOPS.TOPS OF ALMOST 40 THOUSAND WERE SEEN SOUTHEAST OF SAINT
CROIX. SHOWERS DEVELOPING BEHIND THE TROUGH OVER PUERTO RICO WILL
INCREASE THE LIKELIHOOD OF URBAN AND SMALL STREAM FLOODING OVER
MANY PARTS OF PUERTO RICO AND POSSIBLY FLASH FLOODING IN ISOLATED
AREAS. CURRENTLY MODELS ARE SHOWING THE MOISTURE EXITING TO THE
NORTHWEST TONIGHT FOLLOWED BY DRIER AIR THURSDAY. THIS WILL IMPEDE
CONVECTION IN MOST AREAS...BUT THE STRONG HEATING AND CONVERGENCE
IN THE NORTHWEST WILL GENERATE SHOWERS AGAIN ON THURSDAY THERE.


&&

.AVIATION...LOW CIGS AND SOME IFR CONDITIONS WILL CONTINUE UNTIL
ABOUT 30/20Z IN TISX AND TIST. SIMILAR CONDITIONS AND MOUNTAIN
OBSCURATIONS ARE POSSIBLE IN TJSJ...TJNR...TJBQ AND TJMZ BETWEEN
30/17Z TO 31/03Z. MVFR CONDS ARE ALSO POSSIBLE ALONG THE SOUTH COAST
INCLUDING TJPS.

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Re: Caribbean - Central America Weather Thread

#8438 Postby cycloneye » Wed Mar 30, 2011 1:56 pm

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
227 PM AST WED MAR 30 2011

.SYNOPSIS...A LOW LEVEL DISTURBANCE WILL CONTINUE TO MOVE WEST
NORTHWEST ACROSS THE LOCAL ISLANDS THIS AFTERNOON THROUGH LATE
TONIGHT AND THEN AWAY FROM THE LOCAL AREA OVERNIGHT AND THURSDAY.
A GENERALLY FAIR WEATHER PATTERN IS THEN EXPECTED TO PREVAIL LATE
THURSDAY THROUGH AL LEAST SUNDAY AS AN ELONGATED MID TO UPPER
LEVEL RIDGE AND OVERALL DRIER AIR MASS DOMINATES THE FORECAST
AREA.

&&

.DISCUSSION...SCATTERED TO NUMEROUS SHOWERS...SOME OF THE WITH
LOCALLY HEAVY RAIN...AND ISOLATED THUNDERSTORMS ARE EXPECTED
ACROSS THE CORDILLERA CENTRAL...AND NORTHERN SLOPES OF PUERTO RICO
THIS AFTERNOON AS A RESULT OF AVAILABLE MOISTURE ASSOCIATED WITH
A LOW LEVEL DISTURBANCE COMBINED WITH LOCAL EFFECTS...MARGINAL
UPPER LEVEL DYNAMICS AND DIURNAL HEATING. THIS LOW LEVEL DISTURBANCE
WILL CONTINUE TO MOVE WEST NORTHWEST ACROSS THE LOCAL ISLANDS THIS
AFTERNOON THROUGH LATE TONIGHT AND THEN AWAY FROM THE LOCAL AREA
OVERNIGHT AND THURSDAY. PERIODS OF HEAVY RAINFALL COULD RESULT IN
SOME URBAN AND SMALL STREAM FLOODING IN A FEW LOCATIONS AS WELL AS
FLASH FLOODING IN ISOLATED AREAS.

A GENERALLY FAIR WEATHER PATTERN IS THEN EXPECTED TO PREVAIL LATE
THURSDAY THROUGH AT LEAST SUNDAY AS AN ELONGATED MID TO UPPER LEVEL
RIDGE AND OVERALL DRIER AIR MASS DOMINATES THE FORECAST AREA.
THEREFORE...LATE THURSDAY THROUGH AT LEAST SUNDAY...LIGHT MORNING
SHOWERS EMBEDDED IN THE TRADES ACROSS THE WINDWARD SIDE OF THE LOCAL
ISLANDS...WITH LIMITED AFTERNOON CONVECTION CAN BE EXPECTED EACH DAY.

A COLD FRONT IS EXPECTED TO EXIT THE U.S. COAST DURING THE
WEEKEND...AND IS FORECAST TO APPROACH THE LOCAL AREA EARLY NEXT
WEEK. ALTHOUGH THIS FRONT IS NOT EXPECTED TO AFFECT THE LOCAL AREA
AT THIS TIME...THE PROXIMITY OF THIS FEATURE WILL INDUCE A SHIFT IN
THE WIND DIRECTION TO A MORE SOUTHERLY COMPONENT. AS A RESULT...
HIGHER THAN NORMAL TEMPERATURES ARE LIKELY.

&&

.AVIATION...PCPN BAND WAS AFFECTING USVI AT 30/18Z. THIS BAND IS
BEHIND THE TROF MOVING WEST AT ABOUT 13 KT AND WILL ARRIVE IN PUERTO
RICO AFT 30/21Z. SOME MVFR AND POSSIBLE BRIEF IFR CONDS ARE EXPECTED
AT NRN PR AERODROMES AND TAF SITES INCLUDING TJNR...TJSJ...TJBQ AND
TJMZ TIL 31/01Z. MVFR IS POSSIBLE AT TJPS. EXPECT MTN OBSCURATIONS
TO LAST THROUGH 31/03Z. CONDS SHOULD IMPROVE AND ONLY VFR IS
EXPECTED AFT 31/09Z. WINDS ALF ARE ESE 5-15 KT BELOW 5 KFT AND
WESTERLY 30 TO 75 KT ABV 25 KFT.

&&

.MARINE...TRANQUIL MARINE CONDITIONS ARE EXPECTED TO PREVAIL
ACROSS THE REGIONAL WATERS FOR THE NEXT FEW DAYS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 84 74 85 72 / 60 30 20 20
STT 84 75 84 75 / 60 30 20 10

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Re: Caribbean - Central America Weather Thread

#8439 Postby Macrocane » Wed Mar 30, 2011 9:10 pm

Minimum Temperatures
Belize city, Belize 27°C (81°F)
Mountain Pine Ridge, Belize 19.3°C (66.7°F)
Guatemala city, Guatemala 16°C (61°F)
Quetzaltenango, Guatemala 3.1°C (37.6°F)
Zacapa, Guatemala 23°C (73°F)
San Salvador, El Salvador 19.5°C (67.1°F)
Las Pilas, El Salvador 12.3°C (54.1°F)
San Miguel, El Salvador 21.8°C (71.2°F)
Tegucigalpa, Honduras 16°C (61°F)
La Esperanza, Honduras 12°C (54°F)
Choluteca, Honduras 23°C (73°F)
Managua, Nicaragua 23°C (73°F)
Esteli, Nicaragua 16.1°C (61.0°F)
San Jose, Costa Rica 17.6°C (63.7°F)
Irazu volcano, Costa Rica 5.3°C (41.5°F)
Panama city, Panama 23.3°C (73.9°F)
Boquete, Panama 17.0°C (62.6°F)

Maximum Temperatures
Belize city, Belize 33°C (91°F)
Mountain Pine Ridge 35.6°C (96.1°F) Warmest for 2011.
Guatemala city, Guatemala 27°C (81°F)
Quetzaltenango, Guatemala 21.1°C (70.0°F)
Zacapa, Guatemala 41°C (106°F)
San Salvador, El Salvador 32.0°C (89.6°F)
Las Pilas, El Salvador 24.0°C (75.2°F) Warmest for 2011.
San Miguel, El Salvador 38.4°C (101.1°F)
Tegucigalpa, Honduras 33°C (91°F) Warmest for 2011.
La Esperanza, Honduras 26°C (79°F)
Choluteca, Honduras 37°C (99°F)
Managua, Nicaragua 36°C (97°F)
Esteli, Nicaragua 28.8°C (83.8°F)
San Jose, Costa Rica 29.6°C (85.3°F)
Irazu volcano, Costa Rica 19.5°C (67.1°F)
Panama city, Panama 33.9°C (93.0°F)
Boquete, Panama 24.2°C (75.6°F)
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Re: Caribbean - Central America Weather Thread

#8440 Postby cycloneye » Thu Mar 31, 2011 6:00 am

Good morning.It looks like the good cool days that we have been enjoying will be over as we enter April as it's the transition month.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
511 AM AST THU MAR 31 2011

.SYNOPSIS...SURFACE HIGH PRESSURE ACROSS THE CENTRAL ATLANTIC WILL
CONTINUE TO DOMINATE THE LOCAL REGION THROUGH THE WEEKEND...MAINTAINING
A MODERATE TO FRESH TRADE WIND FLOW ACROSS THE LOCAL AREA. A COLD
FRONT WILL APPROACH THE LOCAL AREA THE BEGINNING OF NEXT WEEK.
SURFACE HIGH PRESSURE THEN WILL BUILD ACROSS THE WESTERN ATLANTIC
BEHIND THE FRONT.

&&

.DISCUSSION...SHOWERS HAS DIMINISHED ACROSS THE REGION
CONSIDERABLY COMPARED TO YESTERDAY...AS A LOW LEVEL DISTURBANCE
AFFECTED THE LOCAL AREA. MIMIC TPW FROM CIMSS STILL SHOWED DECENT
MOISTURE OVER THE LOCAL REGION. HOWEVER...SATELITE IMAGES
INDICATED AN AREA OF DRIER AIR IS STARTING TO MOVE FROM THE
EAST...AND WILL CONTINUE TO DO SO TODAY AND FRIDAY. THIS WILL
LIMIT THE SHOWER ACTIVITY ACROSS THE REGION...BUT STILL EXPECT THE
DEVELOPMENT OF SOME SHOWERS MAINLY ACROSS THE NORTHWEST SECTION OF
PUERTO RICO. ACROSS THE U.S VIRGIN ISLANDS..SOME SHOWERS WILL BE
ALSO POSSIBLE ACROSS THE WESTERN PART OF THE ISLANDS.

COMPUTER MODEL GUIDANCE INDICATED A VERY STRONG RIDGE AT 700MB
WILL BE IN PLACE THROUGH AT LEAST SATURDAY. ALSO...MOST MODELS
AGREED ON BRINGING SOME LOW LEVEL MOISTURE ACROSS THE REGION
SATURDAY AFTERNOON...WHERE MODELS SHOWED THETA-E INCREASING
SOMEWHAT BY THAT TIME...BUT RAPIDLY DECREASING BY SUNDAY AS DRIER
AIR MOVES ACROSS THE REGION. MEANWHILE...A COLD FRONT IS EXPECTED
TO APPROACH THE LOCAL REGION MONDAY NEXT WEEK...BUT BETTER
MOISTURE ASSOCIATE WITH IT IS EXPECTED TO LINGER NORTH OF THE
AREA. THE PROXIMITY OF THIS FEATURE WILL INDUCE A SOUTHEAST WIND
FLOW AT THE SURFACE FOR SEVERAL DAYS...WHICH WILL PROMOTE MAXIMUM
TEMPERATURES APPROACHING THE 90S MAINLY ALONG THE NORTH COAST OF
PUERTO RICO. IN FACT...LATEST MOS GUIDANCE SUGGEST TEMPERATURES
WILL BE IN THE UPPER 80S THE BEGINNING OF NEXT WEEK...WHICH HAS
BEEN THE CASE THE LAST 3 DAYS. THEREFORE...LOOKS LIKE WE ARE
ENTERING IN A MORE HUMID AND HOT WEATHER PATTERN...AND THIS COULD
BE ALSO THE START OF THE TRANSITION BETWEEN THE DRY AND WET SEASONS
ACROSS THE LOCAL REGION.

&&

.AVIATION...PREDOMINANTLY VFR CONDITIONS EXPECTED ACROSS ALL TAF
SITE DURING NEXT 24 HOURS...EXCEPTIONS WILL BE MVFR CONDITIONS
ACROSS TNCM AND TKPK WITH ISOLATED PERIODS OF CIGS REACHING AROUND
2KFT...MAINLY DURING THE AFTERNOON. WINDS MAINLY SOUTHEAST AROUND 10
KT EXCEPT FOR AN ONSHORE FLOW RIGHT ALONG THE COAST 16-20Z.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 85 74 85 74 / 20 20 10 10
STT 86 75 85 75 / 20 10 10 10

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