Caribbean - Central America Weather
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- cycloneye
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Winter-like pattern has arrived Yes!!!!!!!!!
FXCA62 TJSJ 051913
AFDSJU
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
313 PM AST SAT DEC 5 2009
.SYNOPSIS...ELONGATED MID TO UPPER LEVEL RIDGE SHOULD BE THE
DOMINANT WEATHER FEATURE ACROSS THE LOCAL AREA FOR THE NEXT
SEVERAL DAYS.
&&
.DISCUSSION...AS HAS BEEN NICELY ANALYZED AND DISCUSSED BY
PREVIOUS SHIFTS...IT APPEARS THAT WE HAVE TRANSITIONED INTO A
PRETTY TYPICAL "WINTER-LIKE" PATTERN ALREADY...WITH HIGH PRESSURE
EXPECTED TO PRODUCE GENERALLY FAIR WEATHER ACROSS THE LOCAL AREA
FOR THE NEXT SEVERAL DAYS. THAT SAID...THE ALIGNMENT OF THE MID TO
UPPER LEVEL RIDGE AND ASSOCIATED LOWER LEVEL REFLECTIONS WILL
CONTINUE TO ALLOW BANDS AND PATCHES OF MOISTURE TO MOVE ACROSS THE
LOCAL AREA FROM TIME TO TIME...RESULTING IN INTERVALS OF
CLOUDINESS AND PASSING SHOWERS...SOMETIMES BRIEFLY MODERATE TO
HEAVY AND WITH GUSTY WINDS. OUTSIDE OF THESE CLOUDS AND SHOWERS...
PRETTY DECENT WEATHER IS EXPECTED.
FXCA62 TJSJ 051913
AFDSJU
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
313 PM AST SAT DEC 5 2009
.SYNOPSIS...ELONGATED MID TO UPPER LEVEL RIDGE SHOULD BE THE
DOMINANT WEATHER FEATURE ACROSS THE LOCAL AREA FOR THE NEXT
SEVERAL DAYS.
&&
.DISCUSSION...AS HAS BEEN NICELY ANALYZED AND DISCUSSED BY
PREVIOUS SHIFTS...IT APPEARS THAT WE HAVE TRANSITIONED INTO A
PRETTY TYPICAL "WINTER-LIKE" PATTERN ALREADY...WITH HIGH PRESSURE
EXPECTED TO PRODUCE GENERALLY FAIR WEATHER ACROSS THE LOCAL AREA
FOR THE NEXT SEVERAL DAYS. THAT SAID...THE ALIGNMENT OF THE MID TO
UPPER LEVEL RIDGE AND ASSOCIATED LOWER LEVEL REFLECTIONS WILL
CONTINUE TO ALLOW BANDS AND PATCHES OF MOISTURE TO MOVE ACROSS THE
LOCAL AREA FROM TIME TO TIME...RESULTING IN INTERVALS OF
CLOUDINESS AND PASSING SHOWERS...SOMETIMES BRIEFLY MODERATE TO
HEAVY AND WITH GUSTY WINDS. OUTSIDE OF THESE CLOUDS AND SHOWERS...
PRETTY DECENT WEATHER IS EXPECTED.
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
love this time of year! cool and comfortable and I don't need air conditioning!
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- cycloneye
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
ST Barts cam updates every 10 minutes.See all cams at the first post of thread.


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- cycloneye
- Admin
- Posts: 145351
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- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
I found the first web cam from Centralamerica and is from the Panama Canal.I am sure that down the road,more cams from the Centralamerican region will be posted.As I have said before,these cams will be very useful in the future when an area in particular may be affected by a tropical system or any other big weather event so we can see what is going on.After they are posted for the first time,they pass to the first post of the thread so the members can look for them in that post and not go thru the pages.
Panama Canal Cams
Panama Canal Cams
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- cycloneye
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- Location: San Juan, Puerto Rico
Re:
Gustywind wrote:Hi my friendsi'm here and all is ok! Tkanks for the PM Cycloneye, i sent you a PM so you can read it if you want
![]()
See you soon all
I read it and glad all is fine.

Speaking of the weather here,it continues to be fantastic with mainly sunny skies with fresh winter-type breezes,good for the tourists to go cruising thru the Caribbean.
Barbara,when I look at the web cam of the beach at St Maarten,I see cruise ships almost everyday,which means that island is getting many visitors that has the tourism industry booming there,same as in Puerto Rico and I am sure in many of the islands where the cruise ships dock.
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- cycloneye
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- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
It looks like the lack of cold fronts moving thru the NE Caribbean will come to an end by the 18th as the pattern will change to allow the normal occurance of fronts moving thru at this time of the year.
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
527 AM AST WED DEC 9 2009
DISCUSSION...SCATTERED SHOWERS EMBEDDED IN THE FLOW ARE MOVING
FROM 080 DEGREES AT 25 KNOTS AND RUNNING ONSHORE OVER EASTERN AND
NORTHEASTERN PUERTO RICO. A FEW SHOWERS ARE ALSO MOVING INTO THE
U.S. VIRGIN ISLANDS. DUE TO THEIR SPEED THESE SHOWERS ARE LEAVING
ONLY LIGHT AMOUNTS OF RAIN. THIS AFTERNOON THE NAM INDICATES SOME
CONSIDERABLE CONVERGENCE OVER HORMIGUEROS AND MAYAGUEZ AND EXPECT
SHOWERS TO DEVELOP IN THESE AREAS MUCH AS THEY DID ON TUESDAY.
THIS COULD LEAVE MORE THAN AN INCH IN A FEW ISOLATED AREAS...BUT
MOST SHOWERS WILL BE CONSIDERABLY LIGHTER. BOTH MODELS SHOW A
PATCH OF MOISTURE ENTERING THE FORECAST AREA TODAY AND MOVING INTO
THE U.S. VIRGIN ISLANDS EARLY THIS AFTERNOON AND PUERTO RICO LATER
THIS AFTERNOON. SO EXPECT SHOWER ACTIVITY TO INCREASE IN THE EAST
AS THE DAY PROGRESSES. SOME OF THIS ACTIVITY WILL LIKELY EXTEND
INTO THE EVENING HOURS. THIS AREA OF MOISTURE IS VISIBLE IN THE
SATELLITE AS A TONGUE OF MOISTURE MOVING INTO THE LEEWARD ISLANDS
AND EXTENDING BACK TO THE EAST AS MUCH AS 12 DEGREES OF LONGITUDE.
HIGH PRESSURE LODGED TO OUR NORTH IS NOW DIVERTING ALL THE COLD
FRONTS AND THEIR ASSOCIATED LOW PRESSURE SYSTEMS TO THE NORTH OF
THE AREA AS WELL AS KEEPING TRADE WIND FLOW BRISK. ONE FRONT DOES
APPROACH BUT STALLS AT 25 DEGREES NORTH ON SATURDAY NIGHT. A
PATTERN SIMILAR TO THE PRESENT ONE CONTINUES UNTIL A
TROUGH...DIGGING OVER THE MIDWESTERN UNITED STATES...FORCES THE
RIDGE OVER THE CARIBBEAN EAST INTO THE ATLANTIC THE WEEKEND AFTER
NEXT. FURTHER EASTWARD PROGRESSION OF THIS TROUGH MAY INDICATE A
CHANGE IN THE THE UPPER LEVELS AND AN END TO...WHAT HAS BEEN UP TO
NOW...A DRIER THAN NORMAL DECEMBER...BUT THIS IS BEYOND THE EVENT
HORIZON OF THE MODELS AVAILABLE.
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
527 AM AST WED DEC 9 2009
DISCUSSION...SCATTERED SHOWERS EMBEDDED IN THE FLOW ARE MOVING
FROM 080 DEGREES AT 25 KNOTS AND RUNNING ONSHORE OVER EASTERN AND
NORTHEASTERN PUERTO RICO. A FEW SHOWERS ARE ALSO MOVING INTO THE
U.S. VIRGIN ISLANDS. DUE TO THEIR SPEED THESE SHOWERS ARE LEAVING
ONLY LIGHT AMOUNTS OF RAIN. THIS AFTERNOON THE NAM INDICATES SOME
CONSIDERABLE CONVERGENCE OVER HORMIGUEROS AND MAYAGUEZ AND EXPECT
SHOWERS TO DEVELOP IN THESE AREAS MUCH AS THEY DID ON TUESDAY.
THIS COULD LEAVE MORE THAN AN INCH IN A FEW ISOLATED AREAS...BUT
MOST SHOWERS WILL BE CONSIDERABLY LIGHTER. BOTH MODELS SHOW A
PATCH OF MOISTURE ENTERING THE FORECAST AREA TODAY AND MOVING INTO
THE U.S. VIRGIN ISLANDS EARLY THIS AFTERNOON AND PUERTO RICO LATER
THIS AFTERNOON. SO EXPECT SHOWER ACTIVITY TO INCREASE IN THE EAST
AS THE DAY PROGRESSES. SOME OF THIS ACTIVITY WILL LIKELY EXTEND
INTO THE EVENING HOURS. THIS AREA OF MOISTURE IS VISIBLE IN THE
SATELLITE AS A TONGUE OF MOISTURE MOVING INTO THE LEEWARD ISLANDS
AND EXTENDING BACK TO THE EAST AS MUCH AS 12 DEGREES OF LONGITUDE.
HIGH PRESSURE LODGED TO OUR NORTH IS NOW DIVERTING ALL THE COLD
FRONTS AND THEIR ASSOCIATED LOW PRESSURE SYSTEMS TO THE NORTH OF
THE AREA AS WELL AS KEEPING TRADE WIND FLOW BRISK. ONE FRONT DOES
APPROACH BUT STALLS AT 25 DEGREES NORTH ON SATURDAY NIGHT. A
PATTERN SIMILAR TO THE PRESENT ONE CONTINUES UNTIL A
TROUGH...DIGGING OVER THE MIDWESTERN UNITED STATES...FORCES THE
RIDGE OVER THE CARIBBEAN EAST INTO THE ATLANTIC THE WEEKEND AFTER
NEXT. FURTHER EASTWARD PROGRESSION OF THIS TROUGH MAY INDICATE A
CHANGE IN THE THE UPPER LEVELS AND AN END TO...WHAT HAS BEEN UP TO
NOW...A DRIER THAN NORMAL DECEMBER...BUT THIS IS BEYOND THE EVENT
HORIZON OF THE MODELS AVAILABLE.
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- cycloneye
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- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Watch out those who like to venture out to open sea until late Saturday.
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1007 AM AST THU DEC 10 2009
...FRESH TRADE WINDS WILL CONTINUE TO GENERATE WIND WAVES OF 6 TO
8 FEET ACROSS THE LOCAL WATERS FOR THE NEXT SEVERAL DAYS....
AMZ710-102215-
/O.CON.TJSJ.SC.Y.0052.000000T0000Z-091212T2200Z/
ATLC WATERS OF PUERTO RICO AND USVI FROM 10NM TO 19.5N-
1007 AM AST THU DEC 10 2009
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
SATURDAY...
A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND
SEAS OF 7 FEET AND GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
MARINE CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1007 AM AST THU DEC 10 2009
...FRESH TRADE WINDS WILL CONTINUE TO GENERATE WIND WAVES OF 6 TO
8 FEET ACROSS THE LOCAL WATERS FOR THE NEXT SEVERAL DAYS....
AMZ710-102215-
/O.CON.TJSJ.SC.Y.0052.000000T0000Z-091212T2200Z/
ATLC WATERS OF PUERTO RICO AND USVI FROM 10NM TO 19.5N-
1007 AM AST THU DEC 10 2009
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
SATURDAY...
A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND
SEAS OF 7 FEET AND GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
MARINE CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
hello everyone
glad you all are OK.
yes, Luis, the cruise ships are starting to come in and business is picking up. Yesterday we had the Oasis of the Seas in port.
That is the largest cruise ship in the world. The island was crazy. there were traffic jams everywhere.
Look how large it looks next to the other cruise ship.

On another note, The Monteserrat volcano is still active and the hazard level was just raised to 4.
http://www.montserratvolcanoobservatory.info/
Barbara
glad you all are OK.
yes, Luis, the cruise ships are starting to come in and business is picking up. Yesterday we had the Oasis of the Seas in port.
That is the largest cruise ship in the world. The island was crazy. there were traffic jams everywhere.
Look how large it looks next to the other cruise ship.
On another note, The Monteserrat volcano is still active and the hazard level was just raised to 4.
http://www.montserratvolcanoobservatory.info/
Barbara
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Too many hurricanes to remember
- cycloneye
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread

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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
cycloneye wrote:Watch out those who like to venture out to open sea until late Saturday.
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1007 AM AST THU DEC 10 2009
...FRESH TRADE WINDS WILL CONTINUE TO GENERATE WIND WAVES OF 6 TO
8 FEET ACROSS THE LOCAL WATERS FOR THE NEXT SEVERAL DAYS....
AMZ710-102215-
/O.CON.TJSJ.SC.Y.0052.000000T0000Z-091212T2200Z/
ATLC WATERS OF PUERTO RICO AND USVI FROM 10NM TO 19.5N-
1007 AM AST THU DEC 10 2009
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
SATURDAY...
A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST SATURDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND
SEAS OF 7 FEET AND GREATER ARE EXPECTED TO PRODUCE HAZARDOUS
MARINE CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.
Yep. We're expecting very high seas here in Barbados as well (up to 4.5 metres!).
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- Gustywind
- Category 5
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- Location: Baie-Mahault, GUADELOUPE
Good morning to all
000
FXCA62 TJSJ 110903
AFDSJU
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST FRI DEC 11 2009
.SYNOPSIS...AT UPPER LEVELS...A RIDGE EXTENDS FROM THE WESTERN CARIBBEAN
NORTHEAST ACROSS EASTERN CUBA AND WILL CONTINUE THROUGH THE
WEEKEND. THE RIDGE EDGES EASTWARD NEXT WEEK. BY FRIDAY A 60 KNOT
JET IS EXPECTED TO FORM OVER AND JUST SOUTH OF PUERTO RICO AND THE
U.S. VIRGIN ISLANDS.
AT MID LEVELS...HIGH PRESSURE CONTINUES OVER THE SOUTHERN BAHAMAS
THROUGH EARLY NEXT WEEK. THIS HIGH SHIFTS TO JUST EAST OF PUERTO
RICO MID WEEK AND THEN WEAKENS AND SPREADS INTO A RIDGE ACROSS THE
ENTIRE CARIBBEAN AND THE WESTERN TROPICAL ATLANTIC.
AT LOWER LEVELS...HIGH PRESSURE OVER THE EASTERN UNITED STATES
WILL MOVE INTO THE WESTERN ATLANTIC ON SATURDAY...DRIFTING INTO
THE CENTRAL ATLANTIC BY LATE MONDAY. LOW PRESSURE IN THE SOUTHWEST
CARIBBEAN REMAINS THROUGHOUT THE PERIOD.
&&
.DISCUSSION...MODELS INDICATE DRIER AIR MOVING INTO THE AREA
DURING THE DAY...BUT SATELLITE IMAGES SUGGEST MOISTURE EXTENDS
BEYOND THE LEEWARD ISLANDS AT THIS TIME. HAVE RAISED POPS FOR THE
FRIDAY MORNING...THIS MORNING...AS SHOWERS CONTINUE TO GROW OVER
LOCAL WATERS AND AFFECT THE COAST OF PUERTO RICO AND SAINT CROIX.
SHOWERS HAVE THUS FAR SKIRTED SAINT THOMAS AND SAINT JOHN. SHOWERS
WILL LIKELY DEVELOP OVER PUERTO RICO THIS AFTERNOON...BUT SHOULD
BE ISOLATED AS MOISTURE DIMINISHES. NAM SHOWS MUCH MORE DEFINITION
IN MOISTURE FORECASTS THAN GFS AND BRINGS SHOWERS IN FRIDAY
AFTERNOON IN THE USVI AND FRIDAY EVENING AROUND 03Z SATURDAY IN
THE EASTERN THIRD OF PUERTO RICO. ANOTHER ROUND OF SHOWERS COULD
OCCUR ON SATURDAY BETWEEN 09-15Z. WINDS AT 850 MB PICK UP
CONSIDERABLY EARLY SUNDAY MORNING...AND SURFACE WINDS WILL ALSO
INCREASE AND GENERATE HIGHER GUSTS AND FASTER MOVING SHOWERS.
AFTER TUESDAY...SHOWERS SHOULD DECREASE ACCORDING TO LATEST
FORECAST SOLUTIONS.
&&
.AVIATION...
PATCHES OF LOW LEVEL MOISTURE AND LIGHT TO MODERATE
SHOWERS WILL AFFECT TJSJ AT LEAST THROUGH 11/14Z. BRIEF MVFR
CONDITIONS ARE POSSIBLE AS THESE SHOWERS MOVE BY. AFTER 11/14Z...VFR
CONDITIONS SHOULD PREVAIL ACROSS MOST TAF SITES.
&&
.MARINE...SEAS DIMINISH TODAY AND SATURDAY BUT RETURN HIGHER THAN
BEFORE BEGINNING SATURDAY NIGHT. SMALL CRAFT ADVISORIES WILL RETURN
SATURDAY NIGHT AND EXTEND THROUGH TUESDAY OR WEDNESDAY FOR MOST
OUTER WATERS AND SOME NEAR SHORE WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 86 74 83 74 / 40 40 50 50
STT 87 76 86 76 / 20 40 40 40
&&
.SJU WATCHES/WARNINGS/ADVISORIES...
PR...SCA...AMZ710-715-725-732-741.
VI...SCA...AMZ710-715-722-725-732.
&&&
$$
71/12

000
FXCA62 TJSJ 110903
AFDSJU
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST FRI DEC 11 2009
.SYNOPSIS...AT UPPER LEVELS...A RIDGE EXTENDS FROM THE WESTERN CARIBBEAN
NORTHEAST ACROSS EASTERN CUBA AND WILL CONTINUE THROUGH THE
WEEKEND. THE RIDGE EDGES EASTWARD NEXT WEEK. BY FRIDAY A 60 KNOT
JET IS EXPECTED TO FORM OVER AND JUST SOUTH OF PUERTO RICO AND THE
U.S. VIRGIN ISLANDS.
AT MID LEVELS...HIGH PRESSURE CONTINUES OVER THE SOUTHERN BAHAMAS
THROUGH EARLY NEXT WEEK. THIS HIGH SHIFTS TO JUST EAST OF PUERTO
RICO MID WEEK AND THEN WEAKENS AND SPREADS INTO A RIDGE ACROSS THE
ENTIRE CARIBBEAN AND THE WESTERN TROPICAL ATLANTIC.
AT LOWER LEVELS...HIGH PRESSURE OVER THE EASTERN UNITED STATES
WILL MOVE INTO THE WESTERN ATLANTIC ON SATURDAY...DRIFTING INTO
THE CENTRAL ATLANTIC BY LATE MONDAY. LOW PRESSURE IN THE SOUTHWEST
CARIBBEAN REMAINS THROUGHOUT THE PERIOD.
&&
.DISCUSSION...MODELS INDICATE DRIER AIR MOVING INTO THE AREA
DURING THE DAY...BUT SATELLITE IMAGES SUGGEST MOISTURE EXTENDS
BEYOND THE LEEWARD ISLANDS AT THIS TIME. HAVE RAISED POPS FOR THE
FRIDAY MORNING...THIS MORNING...AS SHOWERS CONTINUE TO GROW OVER
LOCAL WATERS AND AFFECT THE COAST OF PUERTO RICO AND SAINT CROIX.
SHOWERS HAVE THUS FAR SKIRTED SAINT THOMAS AND SAINT JOHN. SHOWERS
WILL LIKELY DEVELOP OVER PUERTO RICO THIS AFTERNOON...BUT SHOULD
BE ISOLATED AS MOISTURE DIMINISHES. NAM SHOWS MUCH MORE DEFINITION
IN MOISTURE FORECASTS THAN GFS AND BRINGS SHOWERS IN FRIDAY
AFTERNOON IN THE USVI AND FRIDAY EVENING AROUND 03Z SATURDAY IN
THE EASTERN THIRD OF PUERTO RICO. ANOTHER ROUND OF SHOWERS COULD
OCCUR ON SATURDAY BETWEEN 09-15Z. WINDS AT 850 MB PICK UP
CONSIDERABLY EARLY SUNDAY MORNING...AND SURFACE WINDS WILL ALSO
INCREASE AND GENERATE HIGHER GUSTS AND FASTER MOVING SHOWERS.
AFTER TUESDAY...SHOWERS SHOULD DECREASE ACCORDING TO LATEST
FORECAST SOLUTIONS.
&&
.AVIATION...
PATCHES OF LOW LEVEL MOISTURE AND LIGHT TO MODERATE
SHOWERS WILL AFFECT TJSJ AT LEAST THROUGH 11/14Z. BRIEF MVFR
CONDITIONS ARE POSSIBLE AS THESE SHOWERS MOVE BY. AFTER 11/14Z...VFR
CONDITIONS SHOULD PREVAIL ACROSS MOST TAF SITES.
&&
.MARINE...SEAS DIMINISH TODAY AND SATURDAY BUT RETURN HIGHER THAN
BEFORE BEGINNING SATURDAY NIGHT. SMALL CRAFT ADVISORIES WILL RETURN
SATURDAY NIGHT AND EXTEND THROUGH TUESDAY OR WEDNESDAY FOR MOST
OUTER WATERS AND SOME NEAR SHORE WATERS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 86 74 83 74 / 40 40 50 50
STT 87 76 86 76 / 20 40 40 40
&&
.SJU WATCHES/WARNINGS/ADVISORIES...
PR...SCA...AMZ710-715-725-732-741.
VI...SCA...AMZ710-715-722-725-732.
&&&
$$
71/12
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- cycloneye
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Definitly our winter-type pattern has settled in the Caribbean as sun-clouds-fast moving showers is the rule.I got one of those showers this morning while I was shopping and got to the car at parking lot.It was sunny when I went out of the doors of mall,but rapidly the shower moved thru the lot making me like a wet duck 

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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
cycloneye wrote:Definitly our winter-type pattern has settled in the Caribbean as sun-clouds-fast moving showers is the rule.I got one of those showers this morning while I was shopping and got to the car at parking lot.It was sunny when I went out of the doors of mall,but rapidly the shower moved thru the lot making me like a wet duck
We’re starting to get some short but heavy showers here tonight.
Btw, check out some facts and what can only be described as amazing photos of that ship. There's a section called Central Park that doesn't even look like it's aboard a ship!
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- cycloneye
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Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Gale Warning issued by National Hurricane Center
http://forecast.weather.gov/wwamap/wwat ... %20warning
CARIBBEAN SEA
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM EST SAT DEC 12 2009
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N
BETWEEN 55W AND 65W
1030 AM EST SAT DEC 12 2009
.SYNOPSIS...FRESH TRADE WINDS WILL CONTINUE ACROSS THE REGION
THROUGH MON NIGHT AS A TIGHT PRES GRADIENT BETWEEN ATLC HIGH
PRES TO THE N AND BROAD LOW PRES OVER NORTHERN S AMERICA
PERSISTS. THE HIGH WILL WEAKEN AND SHIFT E LATE TUE AND WED
ALLOWING FOR WINDS AND SEAS TO DIMINISH SOME OVER THE TROPICAL
N ATLC AND CENTRAL CARIBBEAN SEA.
OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLC FROM 07N
TO 22N BETWEEN 55W AND 65W
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
AMZ086-122130-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS
1030 AM EST SAT DEC 12 2009
...GALE WARNING S OF 14N W OF 71W...
.THIS AFTERNOON THROUGH SUN NIGHT...FROM 12N TO 14N W OF 71W NE
30 TO 35 KT...DIMINISHING TO 25 TO 30 KT EARLY SUN NIGHT. SEAS 9
TO 14 FT...SUBSIDING TO 8 TO 12 FT SUN.
ELSEWHERE S OF 17N W OF
67W NE TO E WINDS 20 TO 30 KT...DIMINISHING TO 20 TO 25 KT EARLY
SUN NIGHT. SEAS 8 TO 12 FT...SUBSIDING TO 8 TO 10 FT EARLY
SUN NIGHT.
REMAINDER OF AREA E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT
IN E SWELL W OF 67W...AND 6 TO 9 FT E OF 67W. ISOLATED SHOWERS
N OF 15N E OF 68W.
.MON THROUGH TUE...NE TO E WINDS 20 TO 25 KT...EXCEPT NEAR COAST
OF COLOMBIA NE 25 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST NEAR COAST
OF COLOMBIA.
.WED...W OF 68W NE TO E WINDS 20 TO 25 KT...EXCEPT NEAR COAST OF
COLOMBIA NE 25 TO 30 KT. SEAS 8 TO 11 FT...EXCEPT FAR SW PORTION
10 TO 14 FT. E OF 68W NE TO E WINDS 20 TO 25 KT...DIMINISHING TO
15 TO 20 KT. SEAS 7 TO 9 FT SUBSIDING TO 6 TO 8 FT..
http://forecast.weather.gov/wwamap/wwat ... %20warning
CARIBBEAN SEA
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM EST SAT DEC 12 2009
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N
BETWEEN 55W AND 65W
1030 AM EST SAT DEC 12 2009
.SYNOPSIS...FRESH TRADE WINDS WILL CONTINUE ACROSS THE REGION
THROUGH MON NIGHT AS A TIGHT PRES GRADIENT BETWEEN ATLC HIGH
PRES TO THE N AND BROAD LOW PRES OVER NORTHERN S AMERICA
PERSISTS. THE HIGH WILL WEAKEN AND SHIFT E LATE TUE AND WED
ALLOWING FOR WINDS AND SEAS TO DIMINISH SOME OVER THE TROPICAL
N ATLC AND CENTRAL CARIBBEAN SEA.
OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLC FROM 07N
TO 22N BETWEEN 55W AND 65W
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
AMZ086-122130-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS
1030 AM EST SAT DEC 12 2009
...GALE WARNING S OF 14N W OF 71W...
.THIS AFTERNOON THROUGH SUN NIGHT...FROM 12N TO 14N W OF 71W NE
30 TO 35 KT...DIMINISHING TO 25 TO 30 KT EARLY SUN NIGHT. SEAS 9
TO 14 FT...SUBSIDING TO 8 TO 12 FT SUN.
ELSEWHERE S OF 17N W OF
67W NE TO E WINDS 20 TO 30 KT...DIMINISHING TO 20 TO 25 KT EARLY
SUN NIGHT. SEAS 8 TO 12 FT...SUBSIDING TO 8 TO 10 FT EARLY
SUN NIGHT.
REMAINDER OF AREA E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT
IN E SWELL W OF 67W...AND 6 TO 9 FT E OF 67W. ISOLATED SHOWERS
N OF 15N E OF 68W.
.MON THROUGH TUE...NE TO E WINDS 20 TO 25 KT...EXCEPT NEAR COAST
OF COLOMBIA NE 25 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST NEAR COAST
OF COLOMBIA.
.WED...W OF 68W NE TO E WINDS 20 TO 25 KT...EXCEPT NEAR COAST OF
COLOMBIA NE 25 TO 30 KT. SEAS 8 TO 11 FT...EXCEPT FAR SW PORTION
10 TO 14 FT. E OF 68W NE TO E WINDS 20 TO 25 KT...DIMINISHING TO
15 TO 20 KT. SEAS 7 TO 9 FT SUBSIDING TO 6 TO 8 FT..
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- Gustywind
- Category 5
- Posts: 12334
- Joined: Mon Sep 03, 2007 7:29 am
- Location: Baie-Mahault, GUADELOUPE
000
FXCA62 TJSJ 121522
AFDSJU
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
1122 AM AST SAT DEC 12 2009
.UPDATE...
LATEST SATELLITE IMAGERY INDICATED THE SURGE OF LOW LEVEL MOISTURE
MENTIONED IN PREVIOUS DISCUSSION...NOW MOVING ACROSS THE VIRGIN
ISLANDS AND EASTERN PUERTO RICO. THE BRISK NORTHEAST TRADE WIND
FLOW CONTINUED TO BRING QUICK PASSING SHOWERS ACROSS PARTS OF THE
U.S. VIRGIN ISLANDS AND THE NORTHEAST AND EAST COASTAL SECTIONS OF
PUERTO RICO. HOWEVER...SHOWERS WERE MOSTLY OF LIGHT TO MODERATE
INTENSITY AND OF SHORT DURATION. BRIEF WIND GUSTS OF UP TO 25 MPH
WERE SO FAR REPORTED WITH THE PASSING SHOWERS ACROSS SOME OF THE
LOCAL ISLANDS. LATEST 12Z TJSJ UPPER AIR SOUNDING SHOWED AN OVERALL
DRY LOCAL AIR MASS WITH ONLY SHALLOW LOW LEVEL MOISTURE TRAPPED
BELOW 700 MILLIBARS. OVERALL A STRONG NORTHEAST WIND FLOW PREVAILED
IN THE LOW TO MID LEVELS. EXPECT THE AREA OF LOW LEVEL MOISTURE TO
QUICKLY MOVE ACROSS THE REGION WHILE DIMINISHING DURING THE REST
OF THE MORNING...AND MOSTLY FAIR WEATHER SKIES WILL PREVAIL ACROSS
ALL ISLANDS FOR THE REST OF THE DAY. NO SIGNIFICANT CHANGES WERE
MADE TO THE INHERITED FORECAST...OTHER THAN MINOR ALTERATIONS TO
THE LONG TERM MARINE GRIDS. THE REST OF FORECAST PACKAGE HAD A
GOOD HANDLE ON THE PRESENT AND EXPECTED WEATHER CONDITIONS.
&&
.AVIATION UPDATE...LOW LEVEL LOW LEVEL CLOUDS BTW 020-090 K FT
WILL CONTINUE TO MOVE ACROSS THE LOCAL FLYING AREA IN THE NORTHEAST
LOW LEVEL WIND FLOW. THIS WILL RESULT IN PASSING SHRA EN ROUTE
BETWEEN THE NORTHERN LEEWARDS AND EASTERN PR AT LEAST UNTIL 12/17Z.
THEREAFTER...MOSTLY VFR CONDS WILL PREVAIL AT ALL TAF SITES EXCEPT
FOR PASSING SHRA ALONG THE NE COAST OF PR AND THE EAST AND CENTRAL
SECTIONS OF THE CORDILLERA CENTRAL OF PR...WHERE SHOWERS MAY
DEVELOP DURING THE AFTN. STRONG NE WIND FLOW AT 15 TO 35 KTS WILL
CONTINUE FM SFC-30 K FT. ELSEWHERE...THE PREVAILING WIND FLOW WILL
KEEP ONGOING ASH EMISSIONS FROM TRPG...ON A WEST SOUTHWEST TRACK
AND AWAY FROM THE LOCAL FLYING AREA.
FXCA62 TJSJ 121522
AFDSJU
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
1122 AM AST SAT DEC 12 2009
.UPDATE...
LATEST SATELLITE IMAGERY INDICATED THE SURGE OF LOW LEVEL MOISTURE
MENTIONED IN PREVIOUS DISCUSSION...NOW MOVING ACROSS THE VIRGIN
ISLANDS AND EASTERN PUERTO RICO. THE BRISK NORTHEAST TRADE WIND
FLOW CONTINUED TO BRING QUICK PASSING SHOWERS ACROSS PARTS OF THE
U.S. VIRGIN ISLANDS AND THE NORTHEAST AND EAST COASTAL SECTIONS OF
PUERTO RICO. HOWEVER...SHOWERS WERE MOSTLY OF LIGHT TO MODERATE
INTENSITY AND OF SHORT DURATION. BRIEF WIND GUSTS OF UP TO 25 MPH
WERE SO FAR REPORTED WITH THE PASSING SHOWERS ACROSS SOME OF THE
LOCAL ISLANDS. LATEST 12Z TJSJ UPPER AIR SOUNDING SHOWED AN OVERALL
DRY LOCAL AIR MASS WITH ONLY SHALLOW LOW LEVEL MOISTURE TRAPPED
BELOW 700 MILLIBARS. OVERALL A STRONG NORTHEAST WIND FLOW PREVAILED
IN THE LOW TO MID LEVELS. EXPECT THE AREA OF LOW LEVEL MOISTURE TO
QUICKLY MOVE ACROSS THE REGION WHILE DIMINISHING DURING THE REST
OF THE MORNING...AND MOSTLY FAIR WEATHER SKIES WILL PREVAIL ACROSS
ALL ISLANDS FOR THE REST OF THE DAY. NO SIGNIFICANT CHANGES WERE
MADE TO THE INHERITED FORECAST...OTHER THAN MINOR ALTERATIONS TO
THE LONG TERM MARINE GRIDS. THE REST OF FORECAST PACKAGE HAD A
GOOD HANDLE ON THE PRESENT AND EXPECTED WEATHER CONDITIONS.
&&
.AVIATION UPDATE...LOW LEVEL LOW LEVEL CLOUDS BTW 020-090 K FT
WILL CONTINUE TO MOVE ACROSS THE LOCAL FLYING AREA IN THE NORTHEAST
LOW LEVEL WIND FLOW. THIS WILL RESULT IN PASSING SHRA EN ROUTE
BETWEEN THE NORTHERN LEEWARDS AND EASTERN PR AT LEAST UNTIL 12/17Z.
THEREAFTER...MOSTLY VFR CONDS WILL PREVAIL AT ALL TAF SITES EXCEPT
FOR PASSING SHRA ALONG THE NE COAST OF PR AND THE EAST AND CENTRAL
SECTIONS OF THE CORDILLERA CENTRAL OF PR...WHERE SHOWERS MAY
DEVELOP DURING THE AFTN. STRONG NE WIND FLOW AT 15 TO 35 KTS WILL
CONTINUE FM SFC-30 K FT. ELSEWHERE...THE PREVAILING WIND FLOW WILL
KEEP ONGOING ASH EMISSIONS FROM TRPG...ON A WEST SOUTHWEST TRACK
AND AWAY FROM THE LOCAL FLYING AREA.
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- cycloneye
- Admin
- Posts: 145351
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Windy - Windy - Windy
The strong winds will be the story for the next few days so watch out for objects that can be moved by the winds.
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
327 PM AST SAT DEC 12 2009
.SYNOPSIS...BREEZY WINDS AND QUICK PASSING LIGHT TO MODERATE
SHOWERS ARE EXPECTED ACROSS PUERTO RICO AND THE U.S. VIRGIN
ISLANDS FOR THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...WINDS WILL BE ON THE INCREASE OVER THE NEXT 24 HOURS
AS AN AREA OF HIGH PRESSURE ENTERS THE WESTERN ATLANTIC...HELPING
TO INCREASE THE LOCAL PRESSURE GRADIENT. WENT AHEAD AND BOOSTED
WINDS ACROSS THE NORTH COAST OF PUERTO RICO AS WELL AS ACROSS
ELEVATIONS ABOVE 500 FEET FOR TOMORROW...AS LOCALLY WINDY
CONDITIONS WILL BE POSSIBLE. HELD OFF ON A WIND ADVISORY AT THIS
TIME...BUT WILL LIKELY NEED TO ISSUE ONE EITHER LATER THIS EVENING
OR WITH THE SUNDAY MORNING FORECAST PACKAGE AS NUISANCE WINDS ARE
EXPECTED...ESPECIALLY NEAR THE COAST AND HIGHER ELEVATIONS ACROSS
THE LOCAL ISLANDS. THIS DECISION WILL BE BASED ON 00Z SOUNDING...
VWP...AND ANY SHIP OBS THAT BECOME AVAILABLE.
OVERALL...EXPECT VERY SHALLOW MOISTURE CAUGHT IN THESE FRESH TO
STRONG TRADE WINDS TO BRING QUICK PASSING...LIGHT TO MODERATE
SHOWERS...ACROSS THE LOCAL ISLANDS FROM TIME TO TIME THROUGH THE
FIRST HALF OF THE UPCOMING WEEK. A RELAXING OF THE PRESSURE
GRADIENT IS EXPECTED FOR THE LATER HALF OF THE WEEK...WITH A
CORRESPONDING REDUCTION IN TRADE WIND SHOWERS AND AN INCREASE IN
SHOWER ACTIVITY OVER THE INTERIOR AND WESTERN SECTIONS OF THE
ISLAND EACH AFTERNOON.
&&
.AVIATION...VFR CONDS EXPECTED AT ALL LOCAL TERMINAL AERODROMES
THROUGH THE OVERNIGHT HOURS. NO SIGNIFICANT OPERATIONAL IMPACTS
EXPECTED. HOWEVER...EXPECT AN IN INCREASE IN THE NORTHEAST LOW LEVEL
WIND SPD FM SFC-250 KFT DURG NEXT 24 HRS...WITH OCCASIONAL SFC WND
GUSTS UP TO MUCH AS 25 KTS...ESPECIALLY IN PASSING SHRA...WHICH WILL
MOVE ACROSS THE FLYING AREA...MAINLY BTW 1302/1312Z. ELSEWHERE...THE
GENERAL NORTHEAST STEERING WIND FLOW WILL KEEP ONGOING ASH EMISSIONS
FROM SOUFRIERE HILLS/TRPG...ON A WEST SOUTHWEST TRACK AND AWAY FROM
THE LOCAL AREA.
&&
.MARINE...SEAS WILL BE ON THE INCREASE OVERNIGHT AS WINDS BECOME
LOCALLY STRONG ACROSS THE LOCAL WATERS...WITH A BATCH OF LONG
PERIOD SWELL CONTRIBUTING TO ROUGH AND HAZARDOUS SEA CONDITIONS
BEGINNING TOMORROW AFTERNOON.
The strong winds will be the story for the next few days so watch out for objects that can be moved by the winds.
http://forecast.weather.gov/product.php ... glossary=1
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
327 PM AST SAT DEC 12 2009
.SYNOPSIS...BREEZY WINDS AND QUICK PASSING LIGHT TO MODERATE
SHOWERS ARE EXPECTED ACROSS PUERTO RICO AND THE U.S. VIRGIN
ISLANDS FOR THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...WINDS WILL BE ON THE INCREASE OVER THE NEXT 24 HOURS
AS AN AREA OF HIGH PRESSURE ENTERS THE WESTERN ATLANTIC...HELPING
TO INCREASE THE LOCAL PRESSURE GRADIENT. WENT AHEAD AND BOOSTED
WINDS ACROSS THE NORTH COAST OF PUERTO RICO AS WELL AS ACROSS
ELEVATIONS ABOVE 500 FEET FOR TOMORROW...AS LOCALLY WINDY
CONDITIONS WILL BE POSSIBLE. HELD OFF ON A WIND ADVISORY AT THIS
TIME...BUT WILL LIKELY NEED TO ISSUE ONE EITHER LATER THIS EVENING
OR WITH THE SUNDAY MORNING FORECAST PACKAGE AS NUISANCE WINDS ARE
EXPECTED...ESPECIALLY NEAR THE COAST AND HIGHER ELEVATIONS ACROSS
THE LOCAL ISLANDS. THIS DECISION WILL BE BASED ON 00Z SOUNDING...
VWP...AND ANY SHIP OBS THAT BECOME AVAILABLE.
OVERALL...EXPECT VERY SHALLOW MOISTURE CAUGHT IN THESE FRESH TO
STRONG TRADE WINDS TO BRING QUICK PASSING...LIGHT TO MODERATE
SHOWERS...ACROSS THE LOCAL ISLANDS FROM TIME TO TIME THROUGH THE
FIRST HALF OF THE UPCOMING WEEK. A RELAXING OF THE PRESSURE
GRADIENT IS EXPECTED FOR THE LATER HALF OF THE WEEK...WITH A
CORRESPONDING REDUCTION IN TRADE WIND SHOWERS AND AN INCREASE IN
SHOWER ACTIVITY OVER THE INTERIOR AND WESTERN SECTIONS OF THE
ISLAND EACH AFTERNOON.
&&
.AVIATION...VFR CONDS EXPECTED AT ALL LOCAL TERMINAL AERODROMES
THROUGH THE OVERNIGHT HOURS. NO SIGNIFICANT OPERATIONAL IMPACTS
EXPECTED. HOWEVER...EXPECT AN IN INCREASE IN THE NORTHEAST LOW LEVEL
WIND SPD FM SFC-250 KFT DURG NEXT 24 HRS...WITH OCCASIONAL SFC WND
GUSTS UP TO MUCH AS 25 KTS...ESPECIALLY IN PASSING SHRA...WHICH WILL
MOVE ACROSS THE FLYING AREA...MAINLY BTW 1302/1312Z. ELSEWHERE...THE
GENERAL NORTHEAST STEERING WIND FLOW WILL KEEP ONGOING ASH EMISSIONS
FROM SOUFRIERE HILLS/TRPG...ON A WEST SOUTHWEST TRACK AND AWAY FROM
THE LOCAL AREA.
&&
.MARINE...SEAS WILL BE ON THE INCREASE OVERNIGHT AS WINDS BECOME
LOCALLY STRONG ACROSS THE LOCAL WATERS...WITH A BATCH OF LONG
PERIOD SWELL CONTRIBUTING TO ROUGH AND HAZARDOUS SEA CONDITIONS
BEGINNING TOMORROW AFTERNOON.
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- cycloneye
- Admin
- Posts: 145351
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Eastern Caribbean - Centralamerica - Tropical Weather thread
Wind Advisory for higher elevations in Puerto Rico
http://forecast.weather.gov/wwamap/wwat ... 20advisory
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
924 PM AST SAT DEC 12 2009
...WINDY CONDITIONS EXPECTED AT HIGHER ELEVATIONS INTO EARLY MONDAY...
PRZ002>004-006-007-009-130930-
/O.NEW.TJSJ.WI.Y.0003.091213T0124Z-091214T1300Z/
NORTHEAST-SOUTHEAST-EASTERN INTERIOR-CENTRAL INTERIOR-
PONCE AND VICINITY-WESTERN INTERIOR-
924 PM AST SAT DEC 12 2009
...WIND ADVISORY IN EFFECT UNTIL 9 AM AST MONDAY FOR ELEVATIONS
ABOVE 1500 FEET...
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM AST MONDAY.
LARGE PRESSURE DIFFERENCES BETWEEN HIGH PRESSURE ACROSS THE
ATLANTIC OCEAN AND LOW PRESSURE ACROSS SOUTH AMERICA WILL RESULT
IN BREEZY TO WINDY CONDITIONS OVER THE NEXT 36 HOURS ACROSS THE
HIGHER ELEVATIONS OF PUERTO RICO.
CURRENT OBSERVATIONS INDICATE THAT SUSTAINED WINDS OF 30 MPH ARE
OCCURRING AT ELEVATIONS ABOVE 2300 FEET. HOWEVER...WINDS WILL
STRENGHTEN DURING THE DAY TOMORROW BRINGING THESE WINDS DOWN TO
ABOUT 1500 FEET IN ELEVATION. DEEP VALLEYS AND LOW ELEVATIONS WILL
SEE LIGHTER WINDS ESPECIALLY AT NIGHT DUE TO MORE FRICTION AND
STABLE LOW LEVEL CONDITIONS.
LOCATIONS SUCH AS JAYUYA...OROCOVIS AND BARRANQUITAS WILL
EXPERIENCE THE STRONGEST WINDS THE LONGEST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS OF 25 TO 35 MPH ARE EXPECTED ESPECIALLY ACROSS THE HIGHER
ELEVATIONS OF PUERTO RICO AND THE U.S VIRGIN ISLANDS.
A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF 25 MPH OR
GREATER ARE POSSIBLE ACROSS THE ADVISORY AREA. PEOPLE IN THE
ADVISORY AREA SHOULD SECURE ANY LOOSE OUTDOOR ITEMS SUCH AS
GARBAGE CANS OR LAWN FURNITURE. TRUCKS AND HIGH PROFILE VEHICLES
SHOULD BE PREPARED FOR STRONG GUSTY WINDS...ESPECIALLY ACROSS
HIGHER TERRAIN AND MOUNTAINS PASSES.
http://forecast.weather.gov/wwamap/wwat ... 20advisory
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
924 PM AST SAT DEC 12 2009
...WINDY CONDITIONS EXPECTED AT HIGHER ELEVATIONS INTO EARLY MONDAY...
PRZ002>004-006-007-009-130930-
/O.NEW.TJSJ.WI.Y.0003.091213T0124Z-091214T1300Z/
NORTHEAST-SOUTHEAST-EASTERN INTERIOR-CENTRAL INTERIOR-
PONCE AND VICINITY-WESTERN INTERIOR-
924 PM AST SAT DEC 12 2009
...WIND ADVISORY IN EFFECT UNTIL 9 AM AST MONDAY FOR ELEVATIONS
ABOVE 1500 FEET...
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM AST MONDAY.
LARGE PRESSURE DIFFERENCES BETWEEN HIGH PRESSURE ACROSS THE
ATLANTIC OCEAN AND LOW PRESSURE ACROSS SOUTH AMERICA WILL RESULT
IN BREEZY TO WINDY CONDITIONS OVER THE NEXT 36 HOURS ACROSS THE
HIGHER ELEVATIONS OF PUERTO RICO.
CURRENT OBSERVATIONS INDICATE THAT SUSTAINED WINDS OF 30 MPH ARE
OCCURRING AT ELEVATIONS ABOVE 2300 FEET. HOWEVER...WINDS WILL
STRENGHTEN DURING THE DAY TOMORROW BRINGING THESE WINDS DOWN TO
ABOUT 1500 FEET IN ELEVATION. DEEP VALLEYS AND LOW ELEVATIONS WILL
SEE LIGHTER WINDS ESPECIALLY AT NIGHT DUE TO MORE FRICTION AND
STABLE LOW LEVEL CONDITIONS.
LOCATIONS SUCH AS JAYUYA...OROCOVIS AND BARRANQUITAS WILL
EXPERIENCE THE STRONGEST WINDS THE LONGEST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS OF 25 TO 35 MPH ARE EXPECTED ESPECIALLY ACROSS THE HIGHER
ELEVATIONS OF PUERTO RICO AND THE U.S VIRGIN ISLANDS.
A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF 25 MPH OR
GREATER ARE POSSIBLE ACROSS THE ADVISORY AREA. PEOPLE IN THE
ADVISORY AREA SHOULD SECURE ANY LOOSE OUTDOOR ITEMS SUCH AS
GARBAGE CANS OR LAWN FURNITURE. TRUCKS AND HIGH PROFILE VEHICLES
SHOULD BE PREPARED FOR STRONG GUSTY WINDS...ESPECIALLY ACROSS
HIGHER TERRAIN AND MOUNTAINS PASSES.
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