Caribbean - Central America Weather

[Macrocane]

Good evening! Today warmer than normal minimum but cooler than normal maximum temps were registered in Belize, Guatemala, El Salvador and Honduras. Nicaragua and Costa Rica had cooler than normal lows and near normal highs. Panama experienced near normal highs and lows. I can tell that it was a very nice day in San Salvador with mostly cloudy skies and a nice breeze, and I guess that was the same for other locations in the northern part of Central America. These are the obs:

Minimum Temperatures
Belize city, Belize 23°C (73°F)
Mountain Pine Ridge, Belize 19.1°C (66.4°F)
Guatemala city, Guatemala 15°C (59°F)
Quetzaltenango, Guatemala 3.1°C (37.6°F)
Zacapa, Guatemala 22°C (72°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 22.7°C (72.9°F)
Tegucigalpa, Honduras 19°C (66°F)
La Esperanza, Honduras 14°C (57°F)
Choluteca, Honduras 25°C (77°F)
Managua, Nicaragua 21°C (70°F)
Esteli, Nicaragua 16°C (61°F)
San Jose, Costa Rica 15.2°C (59.4°F)
Irazu volcano, Costa Rica 2.7°C (36.9°F)
Panama city, Panama 20.7°C (69.3°F)
Boquete, Panama 14.9°C (58.8°F)

Maximum Temperatures
Belize city, Belize 28°C (82°F)
Mountain Pine Ridge 25.9°C (78.6°F)
Guatemala city, Guatemala 24°C (75°F)
Quetzaltenango, Guatemala 19.0°C (66.2°F)
Zacapa, Guatemala 31°C (88°F)
San Salvador, El Salvador 28.9°C (84.0°F) Coldest since Feb 13.
Las Pilas, El Salvador 18.4°C (65.1°F)
San Miguel, El Salvador 35.7°C (96.3°F)
Tegucigalpa, Honduras 27°C (81°F)
La Esperanza, Honduras 20°C (68°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 33°C (91°F)
Esteli, Nicaragua 23.5°C (74.3°F)
San Jose, Costa Rica 27.3°C (81.1°F)
Irazu volcano, Costa Rica 15.4°C (59.7°F)
Panama city, Panama 33.5°C (92.3°F)
Boquete, Panama 22.2°C (72.0°F)

[cycloneye]

Good morning.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
435 AM AST THU MAR 17 2011

.SYNOPSIS...N UPPER LEVEL ANTICYCLONE ACROSS THE TROPICAL
ATLANTIC...SOUTHWEST OF THE REGION...WILL MAINTAIN A HIGH PRESSURE
RIDGE ACROSS THE NORTHEAST CARIBBEAN INDUCING A SOUTHWEST WIND FLOW
ALOFT ACROSS THE REGION DURING THE NEXT FEW DAYS. AN OVERALL DRY
WEATHER PATTERN WILL PREVAIL ACROSS THE FA FOR THE NEXT FEW DAYS.

&&

.DISCUSSION...THE NORTHEAST LOW LEVEL WIND FLOW WILL CONTINUE TO
TRANSPORT PATCHES OF LOW LEVEL MOISTURE ACROSS THE LOCAL AREA
TODAY...AFFECTING THE NORTHERN COASTAL MUNICIPALITIES OF PUERTO
RICO...CULEBRA...VIEQUES...AND THE NORTHERN U.S. VIRGIN ISLANDS. A
HIGH PRESSURE RIDGE AT THE MID AND UPPER LEVEL OF THE ATMOSPHERE
WILL PREVENT THE DEVELOPMENT OF SIGNIFICANT SHOWER ACTIVITY ACROSS
THE LOCAL ISLANDS. FOR THE NEXT FEW DAYS EXPECT A GENERALLY DRY
WEATHER PATTERN ACROSS THE REGION WITH ONLY PATCHES OF MOISTURE
MOVING ACROSS THE LOCAL AREA FROM TIME TO TIME. SURFACE DEW POINTS
WILL CONTINUE IN THE MID TO UPPER 60S AND PW VALUES OF LESS THAN
1.00 INCH. EXPECT AN INCREASE IN MOISTURE ON SATURDAY FROM THE EAST
AND NORTHEAST...BUT OVERALL NO SIGNIFICANT RAINFALL IS EXPECTED. GFS
MODEL GUIDANCE SUGGESTS THAT BY THE LAST WEEK OF THE MONTH...THE LOW
LEVEL WINDS WILL SHIFT MORE FROM THE EAST SOUTHEAST...OR
SOUTHEAST...INCREASING THE INFLUX OF TROPICAL MOISTURE ACROSS THE FA
AND INDUCING WARMER THAN NORMAL TEMPERATURES ALONG THE NORTHERN
COASTAL AREAS.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURG THE NEXT 24 HOURS. HOWEVER...VERY
BRIEF MVFR CONDS AND LOCAL MTN OBSCURATIONS ARE POSSIBLE WITH ISOLD
PASSING SHOWERS TIL 17/12Z. LIGHT ENE L/LVL WND OF 10-15 KTS BLO 10K
FT BCMG WRLY 15-20 KTS ABV UP TO 25K FT.

&&

.MARINE...EXPECT WINDS OF 20 KNOTS OR LESS AND SEAS OF 6 FEET OR
LESS ACROSS THE REGIONAL WATERS THROUGH AT LEAST TONIGHT. SEAS
WILL INCREASE AGAIN ACROSS THE OFFSHORE ATLANTIC WATERS ON
FRIDAY. SMALL BOAT OPERATORS SHOULD EXERCISE CAUTION ACROSS THE
OFFSHORE ATLANTIC TODAY...BUT A SMALL CRAFT ADVISORY WILL BE IN
EFFECT FOR THOSE WATERS ON FRIDAY MORNING.

&&

.FIRE WEATHER...THE SUNNY SKIES EXPECTED FOR THIS AFTERNOON...
WILL RESULT IN STRONG HEATING WITH LOW RELATIVE HUMIDITIES. THESE
FACTORS IN COMBINATION WITH DRY VEGETATION WILL INDUCE SOME WILD
FIRES ALONG THE SOUTHERN SECTIONS OF PUERTO RICO. OVERALL...FIRE
DANGER THREAT WILL BE POSSIBLE TODAY AND TOMORROW DUE TO LOW
RELATIVE HUMIDITIES AND MOSTLY SUNNY SKIES. NO SIGNIFICANT
RAINFALL EXPECTED DURING THE NEXT FEW DAYS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 83 72 83 73 / 20 30 30 40
STT 84 73 84 74 / 20 30 30 40

[cycloneye]

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
318 PM AST THU MAR 17 2011

.SYNOPSIS...A TRANQUIL WEATHER PATTERN WILL CONTINUE ACROSS THE
LOCAL ISLANDS AT LEAST THROUGH SUNDAY...AS A HIGH PRESSURE RIDGE
OVER THE SW NORTH ATLANTIC DOMINATES THE LOCAL WEATHER CONDITIONS.
ALTHOUGH CONDITIONS WILL REMAIN RELATIVELY DRY...A SLIGHT INCREASE
IN SHOWER ACTIVITY IS EXPECTED LATE FRIDAY WHEN A SHEAR LINE IS
FORECAST TO MOVE ACROSS THE AREA.

&&

.DISCUSSION...SURFACE OBS SHOWS MODERATE TO FRESH WINDS PREVAILING
ACROSS PUERTO RICO AND THE U.S. VIRGIN ISLANDS. AS A RESULT...SEA
BREEZE CONVERGENCE DEVELOPED ACROSS WESTERN PUERTO RICO THIS
AFTERNOON. DUE TO THE LIMITED MOISTURE ACROSS THE LOCAL AREA AND
MODERATE TO STRONG SUBSIDENCE PRODUCED BY THE MID/UPPER LVL RIDGE
OVER THE EASTERN CARIBBEAN/NORTHERN SOUTH AMERICA...ONLY ISOLATED
CONVECTION WERE OBSERVED ACROSS THE WESTERN INTERIOR AND SOUTHWESTERN
SECTIONS OF PUERTO RICO DUE TO THE SEA BREEZE CONVERGENCE.

A GENERALLY DRY AIR MASS AND A MODERATE TO STRONG SUBSIDENCE
SHOULD KEEP RAINFALL ON THE LOW SIDE...WITH MOST SHOWERS DRIVEN BY
OROGRAPHIC FORCING OVER WINDWARD SLOPES EACH AFTERNOON HOURS AND A
FEW PASSING SHOWERS ALONG THE NORTH AND EAST COAST OF THE ISLANDS
DURING EVENING AND EARLY MORNING HOURS. MEANWHILE...A SHEAR LINE
WILL BRING A WEAK SURGE OF MOISTURE ACROSS THE NORTHEASTERN
CARIBBEAN ISLANDS BY LATE FRIDAY EVENING...WITH THE MODELS
FORECASTING PWAT VALUES OF AROUND 1.1 INCHES. GFS TIME HEIGHT
CROSS SECTIONS STILL SHOWING THAT THE ATMOSPHERIC MOISTURE WILL BE
CONFINED BELOW THE 700MB DURING THE NEXT SEVERAL DAYS UNTIL NEXT
TUESDAY WHEN A FRONTAL BOUNDARY APPROACHES TO THE FORECAST AREA.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE
LOCAL ISLANDS AND AT ALL TAF SITES FOR AT LEAST THE NEXT 24
HOURS. HOWEVER...VERY BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN
OBSCURATIONS ARE POSSIBLE IN ISOLATED PASSING SHOWERS.

&&

.MARINE...MODERATE TO FRESH NORTHEAST TRADES WINDS WILL PREVAIL
ACROSS THE LOCAL WATERS THROUGH AT LEAST FRIDAY NIGHT. SUSTAINED
NORTHEAST SURFACE WINDS OF 15 TO 20 KNOTS AND ARE POSSIBLE ON THE
COASTAL WATERS OF THE ATLANTIC TONIGHT. SMALL CRAFT ARE URGED TO
EXERCISE CAUTION ACROSS THE OFF-SHORE ATLANTIC WATERS AND THE
CARIBBEAN PASSAGES DUE TO SUSTAINED NORTHEASTERLY WINDS WINDS OF
15 TO 20 KNOTS AND SEAS OF 6 FEET OR LESS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 71 83 72 83 / 30 30 40 40
STT 71 82 72 83 / 30 30 40 40

[cycloneye]

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1004 PM AST THU MAR 17 2011

.UPDATE...SHOWERS CONTINUE OVER WEST CENTRAL AND NORTH COASTAL
PUERTO RICO. SHOWERS ARE WIDELY SCATTERED OVER THE SURROUNDING
WATERS...THOUGH LITTLE IS CURRENTLY OBSERVED AROUND THE U.S.
VIRGIN ISLANDS. LATEST SOUNDING SHOWS LITTLE CHANGE IN MOISTURE
DISTRIBUTION OR WINDS...THOUGH PRECIPITABLE WATER ROSE TO 1.2
INCHES. SOUNDER INDICATES IT HAS BEGUN TO SUBSIDE A LITTLE.

&&

.DISCUSSION...LITTLE CHANGE IN FORECAST...OTHER THAN PERSISTENT
LIGHT TO MODERATE SHOWERS OVER PARTS OF PUERTO RICO AT PRESENT.
SHOWERS ARE EXPECTED TO CONTINUE TONIGHT AND TOMORROW MORNING. CURRENT
INDICATIONS ARE THAT WINDS AND SEAS WILL INCREASE ON TUESDAY...AND
MAY REQUIRE SMALL CRAFT ADVISORIES THEN.

&&

.AVIATION...
PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL ISLANDS
AND AT ALL TAF SITES DURG THE NEXT 24 HOURS. HOWEVER...VERY BRIEF
MVFR CONDS AND LOCAL MTN OBSCURATIONS ARE POSSIBLE WITH ISOLD
PASSING SHOWERS TIL 18/20Z. LIGHT ENE L/LVL WND OF 10-15 KTS BLO
10K FT BCMG WRLY 15-20 KTS ABV UP TO 25K FT.

[Macrocane]

-Belize, Honduras and Panama had above normal lows and near normal highs today.
-Guatemala (except for Quetzaltenango) and Costa Rica experienced near normal lows and cooler than normal highs.
-El Salvador and Nicaragua had normal lows and highs.

Minimum Temperatures
Belize city, Belize 23°C (73°F)
Mountain Pine Ridge, Belize 19.0°C (66.2°F)
Guatemala city, Guatemala 15°C (59°F)
Quetzaltenango, Guatemala 10.7°C (51.3°F) Warmest of the year for this location.
Zacapa, Guatemala 22°C (72°F)
San Salvador, El Salvador 18.6°C (65.5°F)
Las Pilas, El Salvador 12.0°C (53.6°F)
San Miguel, El Salvador 21.3°C (70.3°F)
Tegucigalpa, Honduras 18°C (64°F)
La Esperanza, Honduras 14°C (57°F)
Choluteca, Honduras 26°C (79°F)
Managua, Nicaragua 22°C (72°F)
Esteli, Nicaragua 13.9°C (57.0°F)
San Jose, Costa Rica 15.2°C (59.4°F)
Irazu volcano, Costa Rica 3.9°C (39.0°F)
Panama city, Panama 23.2°C (73.9°F)
Boquete, Panama 15.3°C (59.5°F)

Maximum Temperatures
Belize city, Belize 29°C (84°F)
Mountain Pine Ridge 26.5°C (79.7°F)
Guatemala city, Guatemala 22°C (72°F)
Quetzaltenango, Guatemala 19.8°C (67.6°F)
Zacapa, Guatemala 32°C (90°F)
San Salvador, El Salvador 31.7°C (89.1°F)
Las Pilas, El Salvador 17.9°C (64.2°F)
San Miguel, El Salvador 37.9°C (100.2°F)
Tegucigalpa, Honduras 27°C (81°F)
La Esperanza, Honduras 21°C (70°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 33°C (91°F)
Esteli, Nicaragua 24.1°C (75.4°F)
San Jose, Costa Rica 25.9°C (78.6°F)
Irazu volcano, Costa Rica 9.8°C (49.6°F)
Panama city, Panama 33.1°C (91.6°F)
Boquete, Panama 20.8°C (69.4°F)

[Macrocane]

I want to make another post to say that if the temos don't drop fast enough tonight could be the warmest or at least one of the warmest nights of the year so far in El Salvador as we have above normal temps for this time (8:30 pm), two examples:

-San Salvador is right now at 26°C (79°F) on previous days we've been at 23°C (73°F) at this time.
-San Miguel right now 29°C (84°C) previous days 27°C (81°C).

[Macrocane]

Another earthquake with a magnitude of 3.9 was registered tonight offshore El Salvador in the subduction zone, no damages occured.

[cycloneye]

Good morning.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
515 AM AST FRI MAR 18 2011

.SYNOPSIS...A NORTHEAST LOW LEVEL WIND FLOW WILL CONTINUE TO
TRANSPORT SMALL BANDS OF CLOUDINESS WITH EMBEDDED SHOWERS...ACROSS
THE LOCAL ISLANDS DURING THE NEXT FEW DAYS...AS A HIGH PRESSURE
RIDGE CONTINUES TO DOMINATE THE WEATHER PATTERN ACROSS THE REGION. A
SLIGHT INCREASE IN MOISTURE IS EXPECTED BY THE UPCOMING WEEKEND.

&&

.DISCUSSION...THE NORTHEAST LOW LEVEL WIND FLOW PRODUCED PATCHES OF
LOW LEVEL MOISTURE ACROSS THE NORTHERN COASTAL MUNICIPALITIES OF
PUERTO RICO AS WELL AS ACROSS VIEQUES...CULEBRA AND THE NORTHERN
U.S. VIRGIN ISLANDS OVERNIGHT AND EARLY IN THE MORNING. FOR THE NEXT
FEW DAYS EXPECT A GENERALLY DRY WEATHER PATTERN ACROSS THE REGION
WITH ONLY PATCHES OF MOISTURE MOVING ACROSS THE LOCAL AREA FROM TIME
TO TIME. SURFACE DEW POINTS WILL CONTINUE IN THE MID TO UPPER 60S
AND PW VALUES OF LESS OR NEAR 1.00 INCH. EXPECT AN INCREASE IN
MOISTURE FOR THE WEEKEND...BUT OVERALL NO SIGNIFICANT RAINFALL IS
EXPECTED. GFS MODEL GUIDANCE SUGGESTS THAT BY THE LAST DAYS OF THE
MONTH...THE LOW LEVEL WINDS WILL SHIFT MORE FROM THE EAST
SOUTHEAST...OR SOUTHEAST...INCREASING THE INFLUX OF TROPICAL
MOISTURE ACROSS THE FA AND INDUCING WARMER THAN NORMAL TEMPERATURES
ALONG THE NORTHERN COASTAL AREAS.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURG THE NEXT 24 HOURS. HOWEVER...BRIEF
MVFR CONDS AND LOCAL MTN OBSCURATIONS ARE POSSIBLE WITH ISOLD
PASSING SHOWERS ALONG N AND E SECTIONS OF PR...AS WELL AS EN ROUTE
BTW NRN LEEWARDS...VI AND PR TIL 18/12Z. LIGHT ENE L/LVL WND OF
10-15 KTS BLO 10K FT...THEN INCREASING AND BCMG WESTERLY 15-25 KTS ABV
UP TO 25K FT.

&&

.MARINE...MODERATE TO FRESH NORTHEAST TRADES WINDS WILL PREVAIL
ACROSS THE LOCAL WATERS THROUGH AT LEAST TONIGHT. SMALL CRAFT ARE
URGED TO EXERCISE CAUTION ACROSS THE OFFSHORE ATLANTIC WATERS.

&&

THE SUNNY SKIES EXPECTED FOR ACROSS THE REGION TODAY...WILL
RESULT IN STRONG HEATING WITH LOW RELATIVE HUMIDITIES. THESE
FACTORS IN COMBINATION WITH DRY VEGETATION...WILL INDUCE SOME
WILD FIRES ALONG THE SOUTHERN SECTIONS OF PUERTO RICO THIS AFTERNOON.
OVERALL...FIRE DANGER THREAT WILL BE POSSIBLE TODAY AND TOMORROW
DUE TO LOW RELATIVE HUMIDITIES AND MOSTLY SUNNY SKIES. NO
SIGNIFICANT RAINFALL EXPECTED DURING THE NEXT FEW DAYS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 83 72 84 71 / 30 40 40 30
STT 83 72 84 72 / 30 40 40 30

[Gustywind]

[cycloneye]

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
336 PM AST FRI MAR 18 2011

.SYNOPSIS...A FLATTENING MID TO UPPER LEVEL RIDGE SHOULD
GENERALLY REMAIN IN CONTROL OF THE LOCAL WEATHER REGIME FOR THE
NEXT FEW DAYS...AS A SERIES OF SHORT WAVES PASS BY MAINLY NORTH
OF THE LOCAL AREA. MORE IMPRESSIVE TROUGH SHOULD BE FORCED
SOUTHEAST ACROSS OF JUST NORTH OF THE LOCAL AREA SUNDAY NIGHT
THROUGH MONDAY OR MONDAY NIGHT AND POSSIBLY TUESDAY. A SHEAR LINE
WILL MOVE ACROSS THE LOCAL ISLANDS LATER TONIGHT AND SATURDAY...
WITH THE POTENTIAL FOR A SECONDARY BOUNDARY TUESDAY OR WEDNESDAY.

&&

.DISCUSSION...LITTLE SIGNIFICANT CHANGE TO THE OVERALL PATTERN
FOR THE NEXT FEW DAYS. HOWEVER...APPROACHING SHEAR LINE SHOULD
RESULT IN A LITTLE MORE PREVALENT AND FREQUENT BANDS AND PATCHES
OF MOISTURE MOVING ACROSS THE LOCAL ISLANDS. THESE WILL CONTINUE
TO INTERACT WITH LOCAL EFFECTS...AND A SLIGHTLY BETTER VENTILATED
AND LESS CAPPED ENVIRONMENT...RESULTING IN INTERVALS OF CLOUDS
AND PASSING SHOWERS. AFOREMENTIONED TROUGH FOR SUNDAY NIGHT
THROUGH MONDAY OR MONDAY NIGHT AND POSSIBLY TUESDAY...SHOULD ALSO
AID IN THE DEVELOPMENT OF CLOUDINESS AND SHOWERS...ESPECIALLY ON
TUESDAY.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE
LOCAL ISLANDS AND AT ALL TAF SITES FOR AT LEAST THE NEXT 24
HOURS. HOWEVER...VERY BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN
OBSCURATIONS ARE POSSIBLE IN ISOLATED TO SCATTERED PASSING
SHOWERS.

&&

.MARINE...EXPECT WINDS OF 19 KNOTS OR LESS AND SEAS OF 6 FEET OR
LESS ACROSS THE REGIONAL WATERS THROUGH AT LEAST SUNDAY. SMALL
BOAT OPERATORS SHOULD EXERCISE CAUTION ACROSS THE MONA PASSAGE
TONIGHT.

&&

.FIRE WEATHER...WILD FIRE DANGER WILL CONTINUE THROUGH THE WEEKEND
BUT WILL BE HIGHLY DEPENDENT ON CLOUD COVER...WHICH MAY BE RATHER
VARIABLY AT TIMES. ALTHOUGH SOME CLOUDINESS AND A FEW SHOWERS ARE
EXPECTED...ALL IN ALL...DRY VEGETATION AND LIMITED WETTING RAINS
SHOULD KEEP THE FIRE THREAT ELEVATED...ESPECIALLY OVER THE SOUTH
SLOPES AND SOUTH COASTAL SECTIONS OF PUERTO RICO.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 72 83 73 81 / 40 40 30 30
STT 72 83 72 83 / 40 40 30 30

[Macrocane]

Hi!
-Northerly and northeasterly winds have been blowing across Central America today.
-The minimum temps registered this morning were near normal in Belize, Guatemala, El Salvador, Nicaragua and Costa Rica and warmer than normal in Honduras and Panama.
-Near normal highs were experienced in Belize, Honduras and El Salvador. Cooler than normal highs occured in Guatemala, Nicaragua, Costa Rica and Panama.

Minimum Temperatures
Belize city, Belize 21°C (70°F)
Mountain Pine Ridge, Belize 17.3°C (63.1°F)
Guatemala city, Guatemala 15°C (59°F)
Quetzaltenango, Guatemala 7.0°C (44.6°F)
Zacapa, Guatemala 23°C (73°F) Warmest of the month.
San Salvador, El Salvador 19.2°C (66.6°F)
Las Pilas, El Salvador 10.9°C (51.6°F)
San Miguel, El Salvador 20.8°C (69.4°F)
Tegucigalpa, Honduras 17°C (63°F)
La Esperanza, Honduras 14°C (57°F)
Choluteca, Honduras 26°C (79°F)
Managua, Nicaragua 23°C (73°F)
Esteli, Nicaragua 14.2°C (57.6°F)
San Jose, Costa Rica 16.4°C (61.5°F)
Irazu volcano, Costa Rica 2.8°C (37.0°F)
Panama city, Panama 23.6°C (74.5°F)
Boquete, Panama 13.9°C (57.0°F)

Maximum Temperatures
Belize city, Belize 29°C (84°F)
Mountain Pine Ridge 26.4°C (79.5°F)
Guatemala city, Guatemala 25°C (77°F)
Quetzaltenango, Guatemala 21.1°C (70.0°F)
Zacapa, Guatemala 30°C (86°F)
San Salvador, El Salvador 31.7°C (89.1°F)
Las Pilas, El Salvador 18.1°C (64.6°F)
San Miguel, El Salvador 38.6°C (101.5°F)
Tegucigalpa, Honduras 28°C (82°F)
La Esperanza, Honduras 21°C (70°F)
Choluteca, Honduras 36°C (97°F)
Managua, Nicaragua 33°C (91°F)
Esteli, Nicaragua 24.1°C (75.4°F)
San Jose, Costa Rica 25.8°C (78.4°F)
Irazu volcano, Costa Rica 10.4°C (50.7°F)
Panama city, Panama 31.2°C (88.2°F) Coolest of the month.
Boquete, Panama 19.4°C (66.9°F)

Max Wind Gust
Belize city, Belize 27 km/h (17 mph)
Guatemala city, Guatemala 50 km/h (31 mph)
San Salvador, El Salvador 36 km/h (23 mph)
Tegucigalpa, Honduras 46 km/h (29 mph)
Managua, Nicaragua 38 km/h (24 mph)
San Jose, Costa Rica 50 km/h (31 mph)
Irazu, Costa Rica 61 km/h (38 mph)
Panama city, Panama 37 km/h (23 mph)

[Ptarmigan]

Quite a temperature contrast in Central America.

[Macrocane]

Quite a temperature contrast in Central America.

Yep, there are very cool and very warm places, sometimes the whole region is cooler or warmer than normal, and sometimes there's not a regional trend although Guatemala, Honduras and El Salvador are the countries that have the most similar climate.

[cycloneye]

Good morning. A change from the dry weather that we have been thru to a more wetter one for the next few days in Puerto Rico.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
523 AM AST SAT MAR 19 2011

.SYNOPSIS...BROAD MID TO UPPER LEVEL TROUGH SPREAD ACROSS THE WEST
CENTRAL ATLANTIC...WITH BASE NOW ACROSS THE NORTHEAST CARIBBEAN.
RIGHT REAR QUADRANT OF A STJ MAXIMA JUST ABOUT TO CROSS THE REGION
THIS MORNING. THIS ALONG WITH MILD THERMAL TROUGH ACROSS THE AREA
WILL HELP TO SLIGHTLY DESTABILIZE THE UPPER LEVELS. THIS UPPER
LEVELS SUPPORTS AN INDUCED LOW LEVEL TROUGH AND WEAKENING SURFACE
FRONT LOCATED NORTHEAST OF THE ISLANDS. THESE FEATURES WILL SLOWLY
SHIFT EAST INTO THE EASTERN ATLANTIC...AS STRONG HIGH PRESSURE
BUILDS ACROSS THE WEST AND SOUTHWEST ATLANTIC OVER THE NEXT FEW
DAYS. IN THE MEANTIME A MODERATE NORTH NORTHEAST LOW LEVEL WIND
LOW WILL PREVAIL ACROSS THE REGION THROUGH THE WEEKEND.

&&

.DISCUSSION... MID TO UPPER LEVEL TROUGHINESS AND INSTABILITY HELPING
TO ENHANCE EARLY MORNING CONVECTION ACROSS THE LOCAL ATLANTIC WATERS...
AND PRODUCING AREAS OF MODERATE TO LOCALLY HEAVY DOWNPOURS MAINLY
ACROSS THE NORTHERN HALF AND EAST SECTIONS OF PUERTO RICO THIS
MORNING. EXPECT THIS TO CONTINUE THROUGH THE MORNING HOURS WITH A
MIXTURE OF LOW TO MID LEVEL CLOUDINESS MOVING ACROSS THE ISLANDS
AND SURROUNDING WATERS FROM TIME TO TIME.

NO SIGNIFICANT MOISTURE ADVECTION IS EXPECTED ACROSS THE REGION...SO
LIMITED CONVECTIVE DEVELOPMENT IS FORECAST OVER THE ISLANDS. HOWEVER...
BECAUSE OF THE MARGINAL UPPER LEVEL INSTABILITY...AND OCCASIONAL INFLUX
OF FRAGMENTED MOISTURE FROM THE NORTH ASSOCIATED WITH OLD FRONTAL
BOUNDARIES/SHEAR-LINE...LOOKING FOR BETTER CHANCES FOR ENHANCED
SHOWERS ACTIVITY DURING THE AFTERNOON. SOME SHOWERS MAY BE LOCALLY
HEAVY IN ISOLATED SPOTS...BUT STILL NO WIDESPREAD PRECIPITATION IS
EXPECTED TODAY.

BY SUNDAY AND INTO THE EARLY PART OF NEXT WEEK MODEL GUIDANCE STILL
SUGGEST FRONTAL TROUGH AND ASSOCIATED MOISTURE FIELD ALIGNING CLOSER
TO THE REGION.THIS MAY THEREFORE INCREASE THE CHANCES FOR ADDITIONAL
CLOUDINESS AND SHOWER DEVELOPMENT ACROSS THE ISLANDS AND SURROUNDING
WATERS.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES DURING THE NEXT 24 HOURS. HOWEVER...
BRIEF MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE POSSIBLE
WITH ISOLATED PASSING SHOWERS ALONG NORTH AND EAST SECTIONS OF
PUERTO RICO...AS WELL AS EN ROUTE BETWEEN NORTHERN LEEWARDS...VI AND
PUERTO RICO UNTIL 19/12Z. TJSJ 19/00Z SOUNDING INDICATED A LIGHT
NORTHEAST LOW LEVEL WIND FLOW OF 10-15 KTS BELOW 10K FT.


&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 84 72 81 72 / 40 40 40 40
STT 83 72 81 72 / 40 40 40 30

[Macrocane]

Good morning. Two earthquakes were registered offshore El Salvador in less than 24 hours, the magnitudes were 3.7 and 4.0. I didn't felt them as the intensity was very low in San Salvador but they felt stronger in the coast. No damages have occurred, but it's not normal to have 15 quakes in 10 days, the normal is 1 or 2 per week .

[cycloneye]

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
237 PM AST SAT MAR 19 2011

.SYNOPSIS...BROAD TROF WILL DOMINATE THE WRN CNTRL ATLC INTO THE
CARIBBEAN OVR THE NEXT SEVEN DAYS. AT THE SFC...A COLD FRONT WILL
SWEEP THRU THE AREA LATE TUE.

&&

.DISCUSSION...NORTHEAST FLOW WILL PREVAIL OVR THE NEXT FIVE DAYS
RESULTING IN SCT TO NMRS SHRAS PRIMARILY LATE AT NIGHT AND EARLY
MORNING HOURS. A COLD FRONT WILL MOVE THRU THE AREA LATE TUE
BEFORE DISSIPATING OVR THE CARIBBEAN SEA ON WED. A SIG DRYING
TREND IS EXPECTED TUE NIGHT THROUGH THE END OF NEXT WEEK. FLOW
WILL BECOME MORE EASTERLY NEXT WEEKEND WITH BETTER CHANCES OF
AFTERNOON CONVECTION ACROSS NW PR.

&&

.AVIATION...MVFR CIGS LIKELY NEXT FEW NIGHTS THRU 13Z AT NORTH
COAST TERMINALS...USVI AND LEEWARD ISLANDS AIRPORTS. CONDITIONS
IMPROVE RAPIDLY TUE NIGHT AS CDFNT SINKS INTO THE CARIBBEAN SEA.


&&

.MARINE...SEAS GENERALLY 4-6 FT THRU MON ATLC WATERS BUT FCST TO
BUILD TO 9-11 FT ACCORDING TO WAVEWATCH MON NIGHT THRU TUE IN NE
WIND WAVES AND THEN BEGIN TO SLOWLY SUBSIDE WED. SUSPECT SEAS WILL
BE SLIGHTLY LOWER THAN WHAT IS CURRENTLY BEING PREDICTED BY
WAVEWATCH.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 73 79 70 82 / 70 70 40 40
STT 72 81 71 83 / 40 40 20 20

[Macrocane]

Good evening! Most of the region had today coller temps than yesterday.
-Guatemala, El Salvador, Honduras and Nicaragua had today cooler lows.
-El Salvador, Honduras and Costa Rica experienced cooler highs.
-Belize was today very similar to yesterday.
-Panama was warmer than yesterday.
-Moderate northeasterly winds have been blowing all day.

Minimum Temperatures
Belize city, Belize 22°C (72°F)
Mountain Pine Ridge, Belize 17.7°C (63.9°F)
Guatemala city, Guatemala 12°C (54°F)
Quetzaltenango, Guatemala 6.0°C (42.8°F)
Zacapa, Guatemala 19°C (66°F)
San Salvador, El Salvador 17.9°C (64.2°F)
Las Pilas, El Salvador 10.1°C (50.2°F)
San Miguel, El Salvador 22.2°C (72.0°F)
Tegucigalpa, Honduras 17°C (63°F)
La Esperanza, Honduras 13°C (55°F)
Choluteca, Honduras 23°C (73°F)
Managua, Nicaragua 21°C (70°F)
Esteli, Nicaragua 13.3°C (55.9°F)
San Jose, Costa Rica 15.6°C (60.1°F)
Irazu volcano, Costa Rica 4.4°C (39.9°F)
Panama city, Panama 23.9°C (75.0°F) Warmest of the year.
Boquete, Panama 15.6°C (60.1°F) Warmest of the month

Maximum Temperatures
Belize city, Belize 29°C (84°F)
Mountain Pine Ridge 25.8°C (78.4°F)
Guatemala city, Guatemala 25°C (77°F)
Quetzaltenango, Guatemala 22.6°C (72.7°F) Warmest of the month
Zacapa, Guatemala 31°C (88°F)
San Salvador, El Salvador 31.2°C (88.2°F)
Las Pilas, El Salvador 17.2°C (63.0°F)
San Miguel, El Salvador 37.3°C (99.1°F)
Tegucigalpa, Honduras 26°C (79°F)
La Esperanza, Honduras 18°C (64°F)
Choluteca, Honduras 35°C (95°F)
Managua, Nicaragua 34°C (93°F)
Esteli, Nicaragua 25.2°C (77.4°F)
San Jose, Costa Rica 23.9°C (75.0°F)
Irazu volcano, Costa Rica 9.8°C (49.6°F)
Panama city, Panama 31.7°C (89.1°F)
Boquete, Panama 20.7°C (69.3°F)

Max Wind Gust
Belize city, Belize 27 km/h (17 mph)
Guatemala city, Guatemala 45 km/h (28 mph)
San Salvador, El Salvador 33 km/h (21 mph)
Ishuatan, El Salvador 43 km/h (27 mph)
Tegucigalpa, Honduras 44 km/h (28 mph)
Esteli, Nicaragua 50 km/h (31 mph)
San Jose, Costa Rica 47 km/h (29 mph)
Panama city, Panama 38 km/h (24 mph)

[vbhoutex]

Several of those temps were a lot lower than our low this morning here in Houston. The high was 79f today.

[cycloneye]

Good morning. A rainy Sunday here and is expected to continue with scattered showers until tuesday.


AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
507 AM AST SUN MAR 20 2011

.SYNOPSIS...THE COMBINATION OF BROAD MID TO UPPER LEVEL RIDGE
ACROSS THE CARIBBEAN BASIN AND THE LONG WAVE TROUGH SPREAD ACROSS
THE ATLANTIC...TO JUST NORTH OF THE AREA WILL MAINTAIN FAIRLY
STRONG WESTERLIES AND AN OVERALL DRY UPPER LEVEL AIR MASS ACROSS
THE REGION FOR THE NEXT SEVERAL DAYS. HOWEVER...THE PROXIMITY OF
A SUBTROPICAL JET MAXIMA JUST NORTH OF ISLANDS WILL BE SUFFICIENT
TO AID IN ENHANCING TRADE WIND SHOWER ACTIVITY. STRONG SURFACE HIGH
PRESSURE EXITING THE EASTERN SEABOARD WILL BUILD FURTHER EAST AND
SPREAD ACROSS THE SOUTHWEST ATLANTIC OVER THE NEXT FEW DAYS. THIS IN
TURN WILL HELP TIGHTEN THE LOCAL PRESSURE GRADIENT AND THUS INCREASE
AND MAINTAIN THE NORTHEAST TRADE WIND FLOW ACROSS THE REGION TODAY
INTO THE EARLY PART OF THE UPCOMING WEEK.

&&

.DISCUSSION...THE DOMINANT NORTH TO NORTHEAST LOW LEVEL WIND FLOW
WILL CONTINUE TO TRANSPORT INTERVALS OF CLOUDS AND SHOWERS ACROSS THE
REGION DURING THE EARLY MORNING HOURS. THIS PATTERN IS EXPECTED TO
CONTINUE THROUGH AT LEAST TUESDAY AS THE FAIRLY STRONG NORTHEAST
TRADE WIND FLOW WILL PREVAIL AND INFLUENCE THE LOCAL WEATHER
CONDITIONS. AS A RESULT...EXPECT AN OVERALL SCENARIO OF EARLY
MORNING CLOUDINESS WITH QUICK PASSING SHOWERS...AND THE POSSIBILITY
OF MOSTLY ISOLATED SHOWER DEVELOPMENT ACROSS THE WEST INTERIOR AND
AND SOUTHWEST SECTIONS OF PUERTO RICO DURING THE AFTERNOON. SOME
SHOWERS WILL CONTINUE TO BE MODERATE TO LOCALLY HEAVY AT TIMES BUT
WILL BE OF SHORT DURATION.

MODELS CONTINUED TO SUGGEST A DISSIPATING FRONT/SHEAR LINE WILL SINK
SOUTH ACROSS THE NORTHEAST CARIBBEAN BY TUESDAY AND INTO THE WEDNESDAY.
WITH THIS EXPECT...A SLIGHT INCREASE IN LOW TO MID LEVEL MOISTURE AND
THUS THE POSSIBILITY OF INCREASED EARLY MORNING AND AFTERNOON CONVECTION
AT LEAST THROUGH THE EARLY PART OF NEXT WEEK. THEREAFTER...DECREASING
IN MOISTURE AND PWAT VALUES SUGGEST A LESSER CHANCE FOR SHOWER ACTIVITY
EXCEPT FOR THE TYPICAL TRADE WIND SHOWERS AS WINDS BECOME MORE EASTERLY
BY THE LATTER PART OF THE UPCOMING WORK WEEK.

&&

.AVIATION...PREVAILING VFR CONDITIONS ARE EXPECTED AT ALL TAF SITES
NEXT 24 HOURS...WITH VERY BRIEF MVFR CONDITIONS POSSIBLE IN PASSING
SHOWERS ACROSS TJBQ...TJSJ...TIST AND TNCM THROUGH ABOUT 20/16Z. LOW
LEVEL WINDS WILL REMAIN GENERALLY FROM THE NORTH NORTHEAST AT 15 TO
20 KTS TODAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU 80 71 82 72 / 70 60 60 70
STT 82 72 84 71 / 40 30 30 40

[Gustywind]