Caribbean - Central America Weather
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
It was a good day with partly cloudy skies after all the dire forecasts of plenty of rain.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
358 PM AST FRI NOV 4 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH TO THE WEST THROUGH NORTHWEST AND MID
TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT SEVERAL
DAYS.
&&
.DISCUSSION...TONIGHT THROUGH SATURDAY AND SUNDAY...IT APPEARS
THAT FA WILL HAVE DEEPEST MOISTURE LOCATED JUST WEST THROUGH
NORTHWEST AND EAST THROUGH SOUTHEAST OF THE FA...WITH AN
"OVERALL" DRIER AIR MASS ACROSS THE LOCAL ISLANDS. HOWEVER...
ALTHOUGH WEATHER DOES NOT LOOK AS ACTIVE FOR THE NEXT COUPLE OF
DAYS AS IT ONCE DID...IT STILL APPEARS THAT THERE SHOULD BE ENOUGH
MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID TO
UPPER LEVEL TROUGHINESS...TO PRODUCE SOME CLOUDINESS...SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS EACH DAY. SIMILAR CONDITIONS
ARE EXPECTED FOR MONDAY AND TUESDAY...WITH SOMEWHAT DEEPER
MOISTURE INDICATED ACROSS ALL OF THE LOCAL AREA. THEREFORE...
EXPECT MORE CLOUDINESS...SHOWERS AND A COUPLE OF THUNDERSTORMS
ACROSS THE LOCAL ISLANDS TO START THE UPCOMING WORKWEEK.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL TAF SITES
THROUGHOUT THE PERIOD. HOWEVER...THERE IS A CHANCE OF SHRA ACROSS
TIST...TISX...TNCM...AND TKPK OVERNIGHT. SURFACE WINDS WILL BE
MAINLY FROM LIGHT AND VARIABLE TO SOUTH SOUTHEAST AT 5 KNOTS.
&&
.MARINE...NORTH NORTHWEST SWELLS WILL CONTINUE TO IMPACT THE
LOCAL ATLANTIC WATERS AND ALL PASSAGES TONIGHT THROUGH
SATURDAY...RESULTING IN ROUGH AND HAZARDOUS MARINE CONDITIONS. A
BIGGER SWELL EVENT IS EXPECTED TO REACH THE LOCAL ATLANTIC WATERS
AND THE CARIBBEAN PASSAGES MONDAY AND THEN CONTINUE FOR A FEW
DAYS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 86 73 85 / 30 40 20 40
STT 76 86 75 87 / 40 30 40 40
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
358 PM AST FRI NOV 4 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH TO THE WEST THROUGH NORTHWEST AND MID
TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT SEVERAL
DAYS.
&&
.DISCUSSION...TONIGHT THROUGH SATURDAY AND SUNDAY...IT APPEARS
THAT FA WILL HAVE DEEPEST MOISTURE LOCATED JUST WEST THROUGH
NORTHWEST AND EAST THROUGH SOUTHEAST OF THE FA...WITH AN
"OVERALL" DRIER AIR MASS ACROSS THE LOCAL ISLANDS. HOWEVER...
ALTHOUGH WEATHER DOES NOT LOOK AS ACTIVE FOR THE NEXT COUPLE OF
DAYS AS IT ONCE DID...IT STILL APPEARS THAT THERE SHOULD BE ENOUGH
MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID TO
UPPER LEVEL TROUGHINESS...TO PRODUCE SOME CLOUDINESS...SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS EACH DAY. SIMILAR CONDITIONS
ARE EXPECTED FOR MONDAY AND TUESDAY...WITH SOMEWHAT DEEPER
MOISTURE INDICATED ACROSS ALL OF THE LOCAL AREA. THEREFORE...
EXPECT MORE CLOUDINESS...SHOWERS AND A COUPLE OF THUNDERSTORMS
ACROSS THE LOCAL ISLANDS TO START THE UPCOMING WORKWEEK.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL TAF SITES
THROUGHOUT THE PERIOD. HOWEVER...THERE IS A CHANCE OF SHRA ACROSS
TIST...TISX...TNCM...AND TKPK OVERNIGHT. SURFACE WINDS WILL BE
MAINLY FROM LIGHT AND VARIABLE TO SOUTH SOUTHEAST AT 5 KNOTS.
&&
.MARINE...NORTH NORTHWEST SWELLS WILL CONTINUE TO IMPACT THE
LOCAL ATLANTIC WATERS AND ALL PASSAGES TONIGHT THROUGH
SATURDAY...RESULTING IN ROUGH AND HAZARDOUS MARINE CONDITIONS. A
BIGGER SWELL EVENT IS EXPECTED TO REACH THE LOCAL ATLANTIC WATERS
AND THE CARIBBEAN PASSAGES MONDAY AND THEN CONTINUE FOR A FEW
DAYS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 86 73 85 / 30 40 20 40
STT 76 86 75 87 / 40 30 40 40
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
Good morning. A Tropical Wave will bring scattered showers to the Eastern Caribbean today.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
421 AM AST SAT NOV 5 2011
.SYNOPSIS...A MID TO UPPER LEVEL TROUGH WILL CONTINUE TO PREVAIL
TO THE WEST OF THE FORECAST AREA WHILE A MID TO UPPER LEVEL RIDGE
ESTABLISHES ITSELF TO THE EAST. A TROPICAL WAVE TO THE EAST OF THE
LESSER ANTILLES WILL ENTER THE EASTERN CARIBBEAN LATER TODAY...
BRINGING AN INCREASE ON MOISTURE EARLY NEXT WEEK.
&&
.DISCUSSION...AFOREMENTIONED MID TO UPPER LEVEL TROUGH WILL CONTINUE
TO PROVIDE ENOUGH INSTABILITY TO PRODUCE AFTERNOON SHOWERS AND AN
ISOLATED THUNDERSTORM OR TWO ACROSS THE LOCAL AREA...ESPECIALLY OVER
THE INTERIOR AND NORTHERN SECTIONS OF PUERTO RICO SAT-SUN. UNDER THE
INFLUENCE OF A SOUTH TO SOUTHEAST WIND FLOW...ISOLATED EARLY MORNING
SHOWERS ARE ALSO ANTICIPATED ACROSS THE SOUTHEASTERN QUADRANT OF
PUERTO RICO.
A TROPICAL WAVE TO THE EAST OF LESSER ANTILLES WILL ENTER THE EASTERN
CARIBBEAN LATER TODAY. THIS WAVE IS FORECAST TO WEAKEN AS IS MOVES
ACROSS THE SOUTHEASTERN CARIBBEAN SUNDAY THROUGH MONDAY. AN INCREASE
ON MOISTURE IS EXPECTED EARLY NEXT WEEK ASSOCIATED WITH THIS WAVE...
RESULTING IN A BETTER CHANCE FOR SHOWER ACTIVITY.
&&
.AVIATION...PREVAILING VFR CONDS EXPECTED ACROSS THE LOCAL TAF SITES
THROUGH THE FORECAST PERIOD. FEW PASSING SHRA/OR ISOLD TSRA OVER
LOCAL WATERS S OF PR AND BTW ERN PR AND USVI DURG THE EARLY MORNING
BUT NO SIGNIFICANT FLYING HAZARDS IS EXPECTED THRU 05/12Z. LATEST
VELOCITY WIND PROFILE AND EARLIER 00Z SOUNDING FOR TJSJ SUGGESTS LOW
LEVEL WINDS WERE LIGHT 10 KTS OR LESS SFC-20K FT.
&&
.MARINE...SWELLS WILL CONTINUE TO SUBSIDE ACROSS THE LOCAL ATLANTIC
WATERS AND ALL PASSAGES TODAY. BIGGER SWELL EVENT IS EXPECTED TO
REACH THE LOCAL ATLANTIC WATERS AND THE CARIBBEAN PASSAGES MONDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 88 74 86 76 / 20 20 20 20
STT 87 76 87 78 / 10 20 20 30
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
421 AM AST SAT NOV 5 2011
.SYNOPSIS...A MID TO UPPER LEVEL TROUGH WILL CONTINUE TO PREVAIL
TO THE WEST OF THE FORECAST AREA WHILE A MID TO UPPER LEVEL RIDGE
ESTABLISHES ITSELF TO THE EAST. A TROPICAL WAVE TO THE EAST OF THE
LESSER ANTILLES WILL ENTER THE EASTERN CARIBBEAN LATER TODAY...
BRINGING AN INCREASE ON MOISTURE EARLY NEXT WEEK.
&&
.DISCUSSION...AFOREMENTIONED MID TO UPPER LEVEL TROUGH WILL CONTINUE
TO PROVIDE ENOUGH INSTABILITY TO PRODUCE AFTERNOON SHOWERS AND AN
ISOLATED THUNDERSTORM OR TWO ACROSS THE LOCAL AREA...ESPECIALLY OVER
THE INTERIOR AND NORTHERN SECTIONS OF PUERTO RICO SAT-SUN. UNDER THE
INFLUENCE OF A SOUTH TO SOUTHEAST WIND FLOW...ISOLATED EARLY MORNING
SHOWERS ARE ALSO ANTICIPATED ACROSS THE SOUTHEASTERN QUADRANT OF
PUERTO RICO.
A TROPICAL WAVE TO THE EAST OF LESSER ANTILLES WILL ENTER THE EASTERN
CARIBBEAN LATER TODAY. THIS WAVE IS FORECAST TO WEAKEN AS IS MOVES
ACROSS THE SOUTHEASTERN CARIBBEAN SUNDAY THROUGH MONDAY. AN INCREASE
ON MOISTURE IS EXPECTED EARLY NEXT WEEK ASSOCIATED WITH THIS WAVE...
RESULTING IN A BETTER CHANCE FOR SHOWER ACTIVITY.
&&
.AVIATION...PREVAILING VFR CONDS EXPECTED ACROSS THE LOCAL TAF SITES
THROUGH THE FORECAST PERIOD. FEW PASSING SHRA/OR ISOLD TSRA OVER
LOCAL WATERS S OF PR AND BTW ERN PR AND USVI DURG THE EARLY MORNING
BUT NO SIGNIFICANT FLYING HAZARDS IS EXPECTED THRU 05/12Z. LATEST
VELOCITY WIND PROFILE AND EARLIER 00Z SOUNDING FOR TJSJ SUGGESTS LOW
LEVEL WINDS WERE LIGHT 10 KTS OR LESS SFC-20K FT.
&&
.MARINE...SWELLS WILL CONTINUE TO SUBSIDE ACROSS THE LOCAL ATLANTIC
WATERS AND ALL PASSAGES TODAY. BIGGER SWELL EVENT IS EXPECTED TO
REACH THE LOCAL ATLANTIC WATERS AND THE CARIBBEAN PASSAGES MONDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 88 74 86 76 / 20 20 20 20
STT 87 76 87 78 / 10 20 20 30
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
320 PM AST SAT NOV 5 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
SEVERAL DAYS.
&&
.DISCUSSION...TONIGHT THROUGH SUNDAY...IT STILL APPEARS THAT FA
WILL HAVE DEEPEST MOISTURE LOCATED JUST WEST THROUGH NORTHWEST
AND EAST THROUGH SOUTHEAST OF THE FA...WITH AN "OVERALL" DRIER AIR
MASS ACROSS THE LOCAL ISLANDS. HOWEVER...THERE SHOULD STILL BE
ENOUGH MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID
TO UPPER LEVEL TROUGHINESS...TO PRODUCE SOME CLOUDINESS...
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER PARTS OF THE
LOCAL ISLANDS. SIMILAR CONDITIONS ARE STILL EXPECTED FOR MONDAY
AND TUESDAY AND PROBABLY WEDNESDAY ALSO...WITH SOMEWHAT DEEPER
MOISTURE INDICATED ACROSS ALL OF THE LOCAL AREA. THEREFORE...
EXPECT MORE CLOUDINESS...SHOWERS AND A COUPLE OF THUNDERSTORMS
ACROSS THE LOCAL ISLANDS FOR THE EARLY TO MIDDLE PART OF THE
UPCOMING WORKWEEK.
&&
.AVIATION...PREVAILING VFR CONDS EXPECTED ACROSS THE LOCAL TAF
SITES THROUGH THE FORECAST PERIOD. FEW PASSING SHRA OVER LOCAL
WATERS BUT NO SIGNIFICANT FLYING HAZARDS ARE EXPECTED. 06/12Z
SOUNDING FOR TJSJ...AS WELL AS FORECAST SOUNDINGS...SUGGEST
LIGHT LOW LEVEL WINDS...10 KTS OR LESS SFC-10K FT.
&&
.MARINE...NORTH SWELLS WILL CONTINUE TO SUBSIDE THROUGH
TONIGHT...BUT SMALL BOAT OPERATORS WILL STILL NEED TO EXERCISE
CAUTION ACROSS MOST OF THE LOCAL COASTAL WATERS. A NEW AND BIGGER
SURGE OF NORTH NORTHWEST SWELLS WILL BEGIN TO AFFECT THE LOCAL
ATLANTIC WATERS AND THE CARIBBEAN PASSAGES LATE SUNDAY NIGHT AND
MONDAY AND THEN CONTINUE INTO AT LEAST MIDWEEK. THESE SWELLS WILL
RESULT IN THE ISSUANCE OF SMALL CRAFT ADVISORIES AGAIN AND ARE
LIKELY TO ALSO REQUIRE HIGH SURF ADVISORIES FOR THE NORTHWEST
THROUGH NORTHEAST EXPOSED COASTLINES OF MOST OF THE LOCAL ISLANDS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 86 74 87 / 20 20 20 20
STT 75 86 76 87 / 20 20 30 30
NATIONAL WEATHER SERVICE SAN JUAN PR
320 PM AST SAT NOV 5 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
SEVERAL DAYS.
&&
.DISCUSSION...TONIGHT THROUGH SUNDAY...IT STILL APPEARS THAT FA
WILL HAVE DEEPEST MOISTURE LOCATED JUST WEST THROUGH NORTHWEST
AND EAST THROUGH SOUTHEAST OF THE FA...WITH AN "OVERALL" DRIER AIR
MASS ACROSS THE LOCAL ISLANDS. HOWEVER...THERE SHOULD STILL BE
ENOUGH MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID
TO UPPER LEVEL TROUGHINESS...TO PRODUCE SOME CLOUDINESS...
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER PARTS OF THE
LOCAL ISLANDS. SIMILAR CONDITIONS ARE STILL EXPECTED FOR MONDAY
AND TUESDAY AND PROBABLY WEDNESDAY ALSO...WITH SOMEWHAT DEEPER
MOISTURE INDICATED ACROSS ALL OF THE LOCAL AREA. THEREFORE...
EXPECT MORE CLOUDINESS...SHOWERS AND A COUPLE OF THUNDERSTORMS
ACROSS THE LOCAL ISLANDS FOR THE EARLY TO MIDDLE PART OF THE
UPCOMING WORKWEEK.
&&
.AVIATION...PREVAILING VFR CONDS EXPECTED ACROSS THE LOCAL TAF
SITES THROUGH THE FORECAST PERIOD. FEW PASSING SHRA OVER LOCAL
WATERS BUT NO SIGNIFICANT FLYING HAZARDS ARE EXPECTED. 06/12Z
SOUNDING FOR TJSJ...AS WELL AS FORECAST SOUNDINGS...SUGGEST
LIGHT LOW LEVEL WINDS...10 KTS OR LESS SFC-10K FT.
&&
.MARINE...NORTH SWELLS WILL CONTINUE TO SUBSIDE THROUGH
TONIGHT...BUT SMALL BOAT OPERATORS WILL STILL NEED TO EXERCISE
CAUTION ACROSS MOST OF THE LOCAL COASTAL WATERS. A NEW AND BIGGER
SURGE OF NORTH NORTHWEST SWELLS WILL BEGIN TO AFFECT THE LOCAL
ATLANTIC WATERS AND THE CARIBBEAN PASSAGES LATE SUNDAY NIGHT AND
MONDAY AND THEN CONTINUE INTO AT LEAST MIDWEEK. THESE SWELLS WILL
RESULT IN THE ISSUANCE OF SMALL CRAFT ADVISORIES AGAIN AND ARE
LIKELY TO ALSO REQUIRE HIGH SURF ADVISORIES FOR THE NORTHWEST
THROUGH NORTHEAST EXPOSED COASTLINES OF MOST OF THE LOCAL ISLANDS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 74 86 74 87 / 20 20 20 20
STT 75 86 76 87 / 20 20 30 30
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SUN NOV 6 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN A
MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
SEVERAL DAYS. SURFACE LOW PRESSURE CENTERED ACROSS THE SOUTHWEST
ATLANTIC AND WEAK HIGH PRESSURE RIDGE ACROSS THE NORTHEAST CARIBBEAN
IS HELPING TO CREATE A LIGHT WIND FLOW ACROSS THE LOCAL AREA. A TROPICAL
WAVE NOW OVER THE EASTERN CARIBBEAN NEAR 63 WEST WILL CONTINUE WESTWARD
TODAY. SATELLITE IMAGERY SHOWED CONSIDERABLE AMOUNTS OF TROPICAL MOISTURE
ALONG THE LEADING EDGE AND NORTHERN FRINGES OF THE WAVE...WHERE SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING.
&&
.DISCUSSION...UNDER THE PRESENT SYNOPTIC PATTERN...MOSTLY CLOUDY
TO VARIABLY CLOUDY CONDITIONS WILL PREVAIL...WITH BRIEF BREAKS IN
THE DOMINANT MID TO HIGH LEVEL CLOUD SHIELD NOW ENCOMPASSING THE
AREA. THE PREVIOUS TJSJ 00Z SOUNDING...AS WELL AS LATEST GROUND
BASED GPS IPW DATA SUGGESTED THAT PWAT VALUES WERE STILL AROUND
TWO INCHES OR SO ALTHOUGH THERE WAS A SLIGHT DECLINE IN THE PAST
COUPLE OF DAYS. HOWEVER...EXPECT A GRADUAL INCREASE IN TROPICAL
MOISTURE ONCE AGAIN OVER THE NEXT COUPLE OF DAYS AS MOISTURE FROM
THE PASSING TROPICAL WAVE WILL BE LIFTED UP ACROSS THE REGION.
ALTHOUGH WIDESPREAD HEAVY RAINFALL IS NOT EXPECTED...EXPECT THE
LIGHT VEERING SOUTHERLY LOW LEVEL WINDS TO HELP BRING POCKETS OF
MOISTURE ACROSS THE ISLANDS. THIS WILL BE SUFFICIENT TO AID IN
EARLY MORNING AND AFTERNOON CONVECTION ACROSS PARTS OF THE ISLANDS
TODAY THROUGH MONDAY. BY THIS AFTERNOON SHOWER ACTIVITY WILL BE
FOCUSED MAINLY ACROSS THE INTERIOR SECTIONS OF PUERTO RICO...AND
IN AND AROUND THE ISLAND OF SAINT CROIX...AS THE WEAK TROPICAL
WAVE WILL MOVE ACROSS THE EASTERN CARIBBEAN DURING THE REST OF THE
DAY INTO MONDAY. ON MONDAY AND TUESDAY...ADDITIONAL TROPICAL MOISTURE
IS EXPECTED TO TO LIFTED ACROSS THE REGION. THEREFORE... EXPECT
CONTINUED CLOUDINESS... WITH EVEN BETTER CHANCES FOR SHOWERS AND
THUNDERSTORMS ACROSS THE ISLANDS AND SURROUNDING WATERS.
&&
.AVIATION...MOSTLY VFR CONDITIONS ARE EXPECTED THROUGH THE TAF
PERIOD WITH OCCASIONAL MVFR CIGS IN PASSING SHRA...MAINLY ACROSS
TISX AND TKPK THROUGH AT LEAST 06/12Z...IN A LIGHT SW WIND FLOW.
IN ADDITION...LIGHT SHWRS MAY AFFECT THE WEST AND SOUTH COAST OF
PR THIS MORNING. 06/00Z TJSJ RAOB INDICATED SFC-3KFT WINDS MAINLY
FROM THE SOUTH AT 15 KTS OR LESS...BECOMING LIGHT AND VARIABLE BTW
3KFT-10KFT AND THEN STRONGER SOUTHWESTERLY FLOW ABOVE 10KFT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 74 87 76 / 20 20 30 20
STT 86 76 87 78 / 20 30 30 40
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SUN NOV 6 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN A
MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
SEVERAL DAYS. SURFACE LOW PRESSURE CENTERED ACROSS THE SOUTHWEST
ATLANTIC AND WEAK HIGH PRESSURE RIDGE ACROSS THE NORTHEAST CARIBBEAN
IS HELPING TO CREATE A LIGHT WIND FLOW ACROSS THE LOCAL AREA. A TROPICAL
WAVE NOW OVER THE EASTERN CARIBBEAN NEAR 63 WEST WILL CONTINUE WESTWARD
TODAY. SATELLITE IMAGERY SHOWED CONSIDERABLE AMOUNTS OF TROPICAL MOISTURE
ALONG THE LEADING EDGE AND NORTHERN FRINGES OF THE WAVE...WHERE SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING.
&&
.DISCUSSION...UNDER THE PRESENT SYNOPTIC PATTERN...MOSTLY CLOUDY
TO VARIABLY CLOUDY CONDITIONS WILL PREVAIL...WITH BRIEF BREAKS IN
THE DOMINANT MID TO HIGH LEVEL CLOUD SHIELD NOW ENCOMPASSING THE
AREA. THE PREVIOUS TJSJ 00Z SOUNDING...AS WELL AS LATEST GROUND
BASED GPS IPW DATA SUGGESTED THAT PWAT VALUES WERE STILL AROUND
TWO INCHES OR SO ALTHOUGH THERE WAS A SLIGHT DECLINE IN THE PAST
COUPLE OF DAYS. HOWEVER...EXPECT A GRADUAL INCREASE IN TROPICAL
MOISTURE ONCE AGAIN OVER THE NEXT COUPLE OF DAYS AS MOISTURE FROM
THE PASSING TROPICAL WAVE WILL BE LIFTED UP ACROSS THE REGION.
ALTHOUGH WIDESPREAD HEAVY RAINFALL IS NOT EXPECTED...EXPECT THE
LIGHT VEERING SOUTHERLY LOW LEVEL WINDS TO HELP BRING POCKETS OF
MOISTURE ACROSS THE ISLANDS. THIS WILL BE SUFFICIENT TO AID IN
EARLY MORNING AND AFTERNOON CONVECTION ACROSS PARTS OF THE ISLANDS
TODAY THROUGH MONDAY. BY THIS AFTERNOON SHOWER ACTIVITY WILL BE
FOCUSED MAINLY ACROSS THE INTERIOR SECTIONS OF PUERTO RICO...AND
IN AND AROUND THE ISLAND OF SAINT CROIX...AS THE WEAK TROPICAL
WAVE WILL MOVE ACROSS THE EASTERN CARIBBEAN DURING THE REST OF THE
DAY INTO MONDAY. ON MONDAY AND TUESDAY...ADDITIONAL TROPICAL MOISTURE
IS EXPECTED TO TO LIFTED ACROSS THE REGION. THEREFORE... EXPECT
CONTINUED CLOUDINESS... WITH EVEN BETTER CHANCES FOR SHOWERS AND
THUNDERSTORMS ACROSS THE ISLANDS AND SURROUNDING WATERS.
&&
.AVIATION...MOSTLY VFR CONDITIONS ARE EXPECTED THROUGH THE TAF
PERIOD WITH OCCASIONAL MVFR CIGS IN PASSING SHRA...MAINLY ACROSS
TISX AND TKPK THROUGH AT LEAST 06/12Z...IN A LIGHT SW WIND FLOW.
IN ADDITION...LIGHT SHWRS MAY AFFECT THE WEST AND SOUTH COAST OF
PR THIS MORNING. 06/00Z TJSJ RAOB INDICATED SFC-3KFT WINDS MAINLY
FROM THE SOUTH AT 15 KTS OR LESS...BECOMING LIGHT AND VARIABLE BTW
3KFT-10KFT AND THEN STRONGER SOUTHWESTERLY FLOW ABOVE 10KFT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 74 87 76 / 20 20 30 20
STT 86 76 87 78 / 20 30 30 40
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
321 PM AST SUN NOV 6 2011
.SYNOPSIS...LITTLE CHANGE OVERALL...AS THE LOCAL AREA WILL
GENERALLY REMAIN LOCATED BETWEEN A MID TO UPPER LEVEL TROUGH AND
LOW TO THE WEST THROUGH NORTHWEST AND MID TO UPPER RIDGE TO THE
EAST THROUGH SOUTHEAST FOR THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...FOR TONIGHT THROUGH MONDAY...AS TROPICAL WAVE
CONTINUES MOVING ACROSS THE EASTERN CARIBBEAN...EXPECT MOISTURE
AND INSTABILITY TO GRADUALLY INCREASE FROM THE EAST SOUTHEAST AND
THIS MOISTURE AND INSTABILITY SHOULD LINGER THROUGH MOST OF
TUESDAY...WITH BRIEF AND SLIGHT DRYING POSSIBLE TUESDAY NIGHT AND
EARLY WEDNESDAY...THEN ADDITIONAL MOISTURE FOR LATER WEDNESDAY
THROUGH THURSDAY AND POSSIBLY FRIDAY ALSO. ALL IN ALL...EXPECT
THIS MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID
TO UPPER LEVEL TROUGHINESS AND LOCAL EFFECTS...TO PRODUCE SOME
CLOUDINESS...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER
PARTS OF THE LOCAL ISLANDS DURING THE NEXT FEW DAYS. THE BEST
COVERAGE AND MOST ENHANCED ACTIVITY SHOULD OCCUR IN DIURNALLY AND
NOCTURNALLY FAVORED AREAS.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED AT ALL TAF SITES WITH A
FEW VCSH/VCTS OVER TNCM AND TKPK. CIGS MAY REACH MVFR CRITERIA
WITH THE PASSING SHRA/TSRA. SFC WINDS ARE EXPECTED TO BE LIGHT
AND VARIABLE OVERNIGHT.
&&
.MARINE...A NEW SURGE OF NORTH NORTHWEST SWELLS WILL BEGIN TO
AFFECT THE LOCAL ATLANTIC WATERS AND THE CARIBBEAN PASSAGES LATE
TONIGHT AND EARLY MONDAY...BUILD THROUGH MONDAY EVENING AND THEN
CONTINUE THROUGH MIDWEEK. THESE SWELLS WILL RESULT IN INCREASINGLY
ROUGH AND HAZARDOUS SEAS ACROSS THE COASTAL WATERS AND DANGEROUS
SURF CONDITIONS WITH A HIGH RISK OF RIP CURRENTS ALONG THE
NORTHWEST THROUGH NORTHEAST EXPOSED COASTLINES OF THE LOCAL
ISLANDS. A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE LOCAL
ATLANTIC OFF SHORE WATERS (AMZ710) BEGINNING AT MIDNIGHT AST
TONIGHT AND WILL GO INTO EFFECT FOR THE REMAINING ATLANTIC MARINE
ZONES AND THE CARIBBEAN PASSAGES THROUGH MONDAY AFTERNOON AND
EARLY EVENING.
BASED ON THE LATEST BUOY AND MODEL DATA...WE FELT IT WAS ABOUT 6
HOURS TOO EARLY TO ISSUE A HIGH SURF ADVISORY FOR THE NORTHWEST
THROUGH NORTHEAST EXPOSED COASTLINES...BUT THIS WILL PROBABLY BE
REQUIRED LATER TONIGHT OR EARLY MONDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 89 76 86 / 20 30 20 20
STT 76 87 77 86 / 30 30 40 30
NATIONAL WEATHER SERVICE SAN JUAN PR
321 PM AST SUN NOV 6 2011
.SYNOPSIS...LITTLE CHANGE OVERALL...AS THE LOCAL AREA WILL
GENERALLY REMAIN LOCATED BETWEEN A MID TO UPPER LEVEL TROUGH AND
LOW TO THE WEST THROUGH NORTHWEST AND MID TO UPPER RIDGE TO THE
EAST THROUGH SOUTHEAST FOR THE NEXT SEVERAL DAYS.
&&
.DISCUSSION...FOR TONIGHT THROUGH MONDAY...AS TROPICAL WAVE
CONTINUES MOVING ACROSS THE EASTERN CARIBBEAN...EXPECT MOISTURE
AND INSTABILITY TO GRADUALLY INCREASE FROM THE EAST SOUTHEAST AND
THIS MOISTURE AND INSTABILITY SHOULD LINGER THROUGH MOST OF
TUESDAY...WITH BRIEF AND SLIGHT DRYING POSSIBLE TUESDAY NIGHT AND
EARLY WEDNESDAY...THEN ADDITIONAL MOISTURE FOR LATER WEDNESDAY
THROUGH THURSDAY AND POSSIBLY FRIDAY ALSO. ALL IN ALL...EXPECT
THIS MOISTURE AND INSTABILITY TO COMBINE WITH AFOREMENTIONED MID
TO UPPER LEVEL TROUGHINESS AND LOCAL EFFECTS...TO PRODUCE SOME
CLOUDINESS...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER
PARTS OF THE LOCAL ISLANDS DURING THE NEXT FEW DAYS. THE BEST
COVERAGE AND MOST ENHANCED ACTIVITY SHOULD OCCUR IN DIURNALLY AND
NOCTURNALLY FAVORED AREAS.
&&
.AVIATION...VFR CONDITIONS ARE EXPECTED AT ALL TAF SITES WITH A
FEW VCSH/VCTS OVER TNCM AND TKPK. CIGS MAY REACH MVFR CRITERIA
WITH THE PASSING SHRA/TSRA. SFC WINDS ARE EXPECTED TO BE LIGHT
AND VARIABLE OVERNIGHT.
&&
.MARINE...A NEW SURGE OF NORTH NORTHWEST SWELLS WILL BEGIN TO
AFFECT THE LOCAL ATLANTIC WATERS AND THE CARIBBEAN PASSAGES LATE
TONIGHT AND EARLY MONDAY...BUILD THROUGH MONDAY EVENING AND THEN
CONTINUE THROUGH MIDWEEK. THESE SWELLS WILL RESULT IN INCREASINGLY
ROUGH AND HAZARDOUS SEAS ACROSS THE COASTAL WATERS AND DANGEROUS
SURF CONDITIONS WITH A HIGH RISK OF RIP CURRENTS ALONG THE
NORTHWEST THROUGH NORTHEAST EXPOSED COASTLINES OF THE LOCAL
ISLANDS. A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE LOCAL
ATLANTIC OFF SHORE WATERS (AMZ710) BEGINNING AT MIDNIGHT AST
TONIGHT AND WILL GO INTO EFFECT FOR THE REMAINING ATLANTIC MARINE
ZONES AND THE CARIBBEAN PASSAGES THROUGH MONDAY AFTERNOON AND
EARLY EVENING.
BASED ON THE LATEST BUOY AND MODEL DATA...WE FELT IT WAS ABOUT 6
HOURS TOO EARLY TO ISSUE A HIGH SURF ADVISORY FOR THE NORTHWEST
THROUGH NORTHEAST EXPOSED COASTLINES...BUT THIS WILL PROBABLY BE
REQUIRED LATER TONIGHT OR EARLY MONDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 89 76 86 / 20 30 20 20
STT 76 87 77 86 / 30 30 40 30
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- cycloneye
- Admin
- Posts: 145469
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- Joined: Thu Oct 10, 2002 10:54 am
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Re: Caribbean - Central America Weather
Good morning.Some showers will move thru the NE Caribbean today,but the main threat today are the high seas so watch out in the beaches and dont go out with a boat.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
509 AM AST MON NOV 7 2011
.SYNOPSIS...
A BROAD MID TO UPPER TROUGH AND ASSOCIATED AREA OF LOW PRESSURE
WILL MEANDER ACROSS THE SOUTHWEST ATLANTIC THROUGH WEDNESDAY
BEFORE LIFTING NORTHWARD ACROSS THE ATLANTIC DURING THE LATTER
PART OF THE WEEK. THIS UPPER LEVEL PATTERN WILL MAINTAIN A WEST TO
SOUTHWEST UPPER LEVEL WIND FLOW ACROSS THE REGION. IN THE LOW
LEVELS...THIS IS SUPPORTED BY A PERSISTENT SURFACE LOW PRESSURE
SYSTEM ACROSS THE SOUTHWEST ATLANTIC...WHICH WILL CONTINUE TO
DISRUPT THE LOCAL SYNOPTIC PATTERN...AND MAINTAIN A FAIRLY LIGHT
SOUTH TO SOUTHEASTERLY LOW LEVEL WIND FLOW ACROSS THE REGION
THROUGH THE MIDDLE OF THE WEEK. LATEST SATELLITE IMAGERY AND
DOPPLER WEATHER RADAR SHOWED PATCHES OF TROPICAL MOISTURE SLOWLY
DRIFTING WESTWARD ACROSS THE EASTERN CARIBBEAN ACCOMPANYING A WEAK
EASTERLY PERTURBATION WHICH WAS JUST SOUTHWEST OF PUERTO RICO.
&&
.DISCUSSION...THE PROXIMITY OF THE MID TO UPPER LEVEL TROUGH IS
PROVING SUFFICIENT UPPER LEVEL INSTABILITY TO ENHANCE AND MAINTAIN
OVERNIGHT CONVECTION ACROSS PARTS OF THE REGIONAL WATERS. EXPECT
LAND BREEZE EFFECTS SUFFICIENTLY STRONG TO MAINTAIN MOST OF THE SHOWER
AND THUNDERSTORM ACTIVITY OFFSHORE. BY EARLY MORNING...HOWEVER
STILL EXPECT A FEW SHOWERS TO REACH PARTS OF THE SOUTH AND EAST
COAST OF PUERTO RICO AS WELL AS PARTS OF THE VIRGIN ISLANDS...
ESPECIALLY IN THE VICINITY AND SOUTH OF SAINT CROIX WHERE THE BEST
UPPER LEVEL AFFLUENCE IS APPARENT. FOR THE REST OF MONDAY EXPECT
AVAILABLE MOISTURE AND LOCAL EFFECTS TO AID IN AFTERNOON CONVECTION
ACROSS PARTS OF THE ISLANDS...HOWEVER NO WIDESPREAD RAINFALL IS
EXPECTED. FOR THE REMAINDER OF THE WEEK...MODELS SUGGESTS INTERVALS
OF TRADE WIND MOISTURE TO MOVE ACROSS THE EASTERN CARIBBEAN FROM
TIME TO TIME. THIS ADDITIONAL MOISTURE COMBINED WITH THE LINGERING
UPPER LEVEL TROUGH NORTH OF THE AREA WILL CREATE SUFFICIENT INSTABILITY
ACROSS THE REGION FOR PERIODS OF NOCTURNAL AND DIURNAL CONVECTION
OVER PARTS OF THE ISLANDS AND SURROUNDING WATERS OVER THE NEXT
SEVERAL DAYS. HOWEVER...STILL NO WIDESPREAD RAINFALL OR SIGNIFICANT
WEATHER FEATURE IS EXPECTED TO DIRECTLY AFFECT THE REGION FOR A
WHILE. BY THE END OF THE WEEK AND INTO THE NEXT WEEKEND... LOCAL
WINDS WILL SHIFT AS STRONG HIGH PRESSURE BUILDS ACROSS THE WEST
ATLANTIC EVENTUALLY INDUCING A SOMEWHAT DRIER MODERATE EAST TO
NORTHEAST TRADE WIND FLOW.
&&
.AVIATION...VFR CONDS ARE EXPECTED AT ALL TAF SITES. SCT SHRA/TSRA
MAY CAUSE BRIEF MVFR CONDS AFTER 07/12Z AT TISX...TNCM...AND TKPK AS
A TROPICAL WAVE APPROACHES. AFTER 07/15Z...SCT TSRA/SHRA EXPECTED TO
DEVELOP ACROSS CENTRAL PR IN LIGHT SOUTHERLY FLOW WITH MVFR CONDS
PSBL AT TJMZ AND TJBQ. EXPECT LCL MTN OBSCURATIONS. WINDS LGT AND
VRB BELOW 5 KFT.
&&
MARINE...LARGE LONG PERIOD SWELL RACING TOWARD THE LOCAL WATER
THIS MORNING. EARLIER DATA FROM THE SOUTHWEST ATLANTIC BUOY 41043
JUST NORTH OF THE LOCAL ATLANTIC WATERS SHOWED 14 SEC SWELL OF 8
TO 9 FEET. THIS SUGGESTS THAT THESE SWELLS SHOULD BE ARRIVING ALONG
THE NORTHWEST TO NORTH FACING COASTLINES LATER TODAY WITH POSSIBLE
BREAKING WAVES BETWEEN 10 TO 15 FEET. DUE TO THE EXPECTED BUILDING
SEAS AND INCREASING NORTHWEST TO NORTH SWELLS...A HIGH SURF ADVISORY
WILL REMAIN IN EFFECT AT LEAST UNTIL 8 AM AST TUESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 88 75 86 76 / 40 10 20 20
STT 87 77 87 78 / 30 30 30 30
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
509 AM AST MON NOV 7 2011
.SYNOPSIS...
A BROAD MID TO UPPER TROUGH AND ASSOCIATED AREA OF LOW PRESSURE
WILL MEANDER ACROSS THE SOUTHWEST ATLANTIC THROUGH WEDNESDAY
BEFORE LIFTING NORTHWARD ACROSS THE ATLANTIC DURING THE LATTER
PART OF THE WEEK. THIS UPPER LEVEL PATTERN WILL MAINTAIN A WEST TO
SOUTHWEST UPPER LEVEL WIND FLOW ACROSS THE REGION. IN THE LOW
LEVELS...THIS IS SUPPORTED BY A PERSISTENT SURFACE LOW PRESSURE
SYSTEM ACROSS THE SOUTHWEST ATLANTIC...WHICH WILL CONTINUE TO
DISRUPT THE LOCAL SYNOPTIC PATTERN...AND MAINTAIN A FAIRLY LIGHT
SOUTH TO SOUTHEASTERLY LOW LEVEL WIND FLOW ACROSS THE REGION
THROUGH THE MIDDLE OF THE WEEK. LATEST SATELLITE IMAGERY AND
DOPPLER WEATHER RADAR SHOWED PATCHES OF TROPICAL MOISTURE SLOWLY
DRIFTING WESTWARD ACROSS THE EASTERN CARIBBEAN ACCOMPANYING A WEAK
EASTERLY PERTURBATION WHICH WAS JUST SOUTHWEST OF PUERTO RICO.
&&
.DISCUSSION...THE PROXIMITY OF THE MID TO UPPER LEVEL TROUGH IS
PROVING SUFFICIENT UPPER LEVEL INSTABILITY TO ENHANCE AND MAINTAIN
OVERNIGHT CONVECTION ACROSS PARTS OF THE REGIONAL WATERS. EXPECT
LAND BREEZE EFFECTS SUFFICIENTLY STRONG TO MAINTAIN MOST OF THE SHOWER
AND THUNDERSTORM ACTIVITY OFFSHORE. BY EARLY MORNING...HOWEVER
STILL EXPECT A FEW SHOWERS TO REACH PARTS OF THE SOUTH AND EAST
COAST OF PUERTO RICO AS WELL AS PARTS OF THE VIRGIN ISLANDS...
ESPECIALLY IN THE VICINITY AND SOUTH OF SAINT CROIX WHERE THE BEST
UPPER LEVEL AFFLUENCE IS APPARENT. FOR THE REST OF MONDAY EXPECT
AVAILABLE MOISTURE AND LOCAL EFFECTS TO AID IN AFTERNOON CONVECTION
ACROSS PARTS OF THE ISLANDS...HOWEVER NO WIDESPREAD RAINFALL IS
EXPECTED. FOR THE REMAINDER OF THE WEEK...MODELS SUGGESTS INTERVALS
OF TRADE WIND MOISTURE TO MOVE ACROSS THE EASTERN CARIBBEAN FROM
TIME TO TIME. THIS ADDITIONAL MOISTURE COMBINED WITH THE LINGERING
UPPER LEVEL TROUGH NORTH OF THE AREA WILL CREATE SUFFICIENT INSTABILITY
ACROSS THE REGION FOR PERIODS OF NOCTURNAL AND DIURNAL CONVECTION
OVER PARTS OF THE ISLANDS AND SURROUNDING WATERS OVER THE NEXT
SEVERAL DAYS. HOWEVER...STILL NO WIDESPREAD RAINFALL OR SIGNIFICANT
WEATHER FEATURE IS EXPECTED TO DIRECTLY AFFECT THE REGION FOR A
WHILE. BY THE END OF THE WEEK AND INTO THE NEXT WEEKEND... LOCAL
WINDS WILL SHIFT AS STRONG HIGH PRESSURE BUILDS ACROSS THE WEST
ATLANTIC EVENTUALLY INDUCING A SOMEWHAT DRIER MODERATE EAST TO
NORTHEAST TRADE WIND FLOW.
&&
.AVIATION...VFR CONDS ARE EXPECTED AT ALL TAF SITES. SCT SHRA/TSRA
MAY CAUSE BRIEF MVFR CONDS AFTER 07/12Z AT TISX...TNCM...AND TKPK AS
A TROPICAL WAVE APPROACHES. AFTER 07/15Z...SCT TSRA/SHRA EXPECTED TO
DEVELOP ACROSS CENTRAL PR IN LIGHT SOUTHERLY FLOW WITH MVFR CONDS
PSBL AT TJMZ AND TJBQ. EXPECT LCL MTN OBSCURATIONS. WINDS LGT AND
VRB BELOW 5 KFT.
&&
MARINE...LARGE LONG PERIOD SWELL RACING TOWARD THE LOCAL WATER
THIS MORNING. EARLIER DATA FROM THE SOUTHWEST ATLANTIC BUOY 41043
JUST NORTH OF THE LOCAL ATLANTIC WATERS SHOWED 14 SEC SWELL OF 8
TO 9 FEET. THIS SUGGESTS THAT THESE SWELLS SHOULD BE ARRIVING ALONG
THE NORTHWEST TO NORTH FACING COASTLINES LATER TODAY WITH POSSIBLE
BREAKING WAVES BETWEEN 10 TO 15 FEET. DUE TO THE EXPECTED BUILDING
SEAS AND INCREASING NORTHWEST TO NORTH SWELLS...A HIGH SURF ADVISORY
WILL REMAIN IN EFFECT AT LEAST UNTIL 8 AM AST TUESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 88 75 86 76 / 40 10 20 20
STT 87 77 87 78 / 30 30 30 30
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
338 PM AST MON NOV 7 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
FEW DAYS...WITH THIS TROUGH EXPECTED TO SLOWLY FILL AND LIFT OUT
FOR THURSDAY NIGHT AND FRIDAY.
&&
.DISCUSSION...LITTLE OVERALL CHANGE IS EXPECTED. WE HAD AN ACTIVE
AFTERNOON TODAY...WITH RATHER EXPLOSIVE DEVELOPMENT OF SHOWERS AND
THUNDERSTORMS...SOME OF WHICH PRODUCED VERY HEAVY RAINFALL...
FREQUENT LIGHTNING...BRIEF GUSTY WINDS AND SOME MINOR FLOODING.
THIS MOIST AND UNSTABLE AIR MASS IS EXPECTED TO LINGER ACROSS THE
LOCAL AREA THROUGH TUESDAY AND TUESDAY NIGHT...WITH BRIEF AND
SLIGHT DRYING STILL POSSIBLE WEDNESDAY...THEN ADDITIONAL MOISTURE
FOR WEDNESDAY NIGHT THROUGH THURSDAY AND POSSIBLY FRIDAY ALSO. ALL
IN ALL...EXPECT THIS MOISTURE AND INSTABILITY TO COMBINE WITH
AFOREMENTIONED MID TO UPPER LEVEL TROUGHINESS AND LOCAL
EFFECTS...TO CONTINUE TO PRODUCE SOME CLOUDINESS...SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED TO SCATTERED THUNDERSTORMS OVER
PARTS OF THE LOCAL ISLANDS DURING THE NEXT FEW DAYS. THE BEST
COVERAGE AND MOST ENHANCED ACTIVITY SHOULD CONTINUE TO OCCUR IN
DIURNALLY AND NOCTURNALLY FAVORED AREAS.
&&
.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES THROUGH THE NEXT 24 HOURS. HOWEVER...
MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED IN
SCATTERED TO NUMEROUS SHOWERS AND ISOLATED TO SCATTERED
THUNDERSTORMS.
&&
.MARINE...LARGE...LONG PERIOD NORTH NORTHWEST SWELLS WILL
CONTINUE TO PEAK ACROSS THE LOCAL ATLANTIC WATERS AND THE
CARIBBEAN PASSAGES THROUGH THIS EVENING...AND THEN CONTINUE
THROUGH AT LEAST WEDNESDAY. THESE SWELLS WILL CONTINUE TO RESULT
IN ROUGH AND HAZARDOUS MARINE CONDITIONS ACROSS THE LOCAL WATERS.
IN ADDITION...THESE SWELLS WILL CONTINUE TO RESULT IN DANGEROUS
SURF CONDITIONS AND FREQUENT RIP CURRENTS...ALONG WITH SOME MINOR
COASTAL FLOODING THROUGH TONIGHT OR EARLY TUESDAY. FOR THESE
REASONS...HIGH SURF AND COASTAL FLOOD ADVISORIES REMAIN IN EFFECT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 75 86 76 85 / 10 30 20 20
STT 77 87 78 87 / 30 30 30 30
NATIONAL WEATHER SERVICE SAN JUAN PR
338 PM AST MON NOV 7 2011
.SYNOPSIS...THE LOCAL AREA WILL GENERALLY REMAIN LOCATED BETWEEN
A MID TO UPPER LEVEL TROUGH AND LOW TO THE WEST THROUGH NORTHWEST
AND MID TO UPPER RIDGE TO THE EAST THROUGH SOUTHEAST FOR THE NEXT
FEW DAYS...WITH THIS TROUGH EXPECTED TO SLOWLY FILL AND LIFT OUT
FOR THURSDAY NIGHT AND FRIDAY.
&&
.DISCUSSION...LITTLE OVERALL CHANGE IS EXPECTED. WE HAD AN ACTIVE
AFTERNOON TODAY...WITH RATHER EXPLOSIVE DEVELOPMENT OF SHOWERS AND
THUNDERSTORMS...SOME OF WHICH PRODUCED VERY HEAVY RAINFALL...
FREQUENT LIGHTNING...BRIEF GUSTY WINDS AND SOME MINOR FLOODING.
THIS MOIST AND UNSTABLE AIR MASS IS EXPECTED TO LINGER ACROSS THE
LOCAL AREA THROUGH TUESDAY AND TUESDAY NIGHT...WITH BRIEF AND
SLIGHT DRYING STILL POSSIBLE WEDNESDAY...THEN ADDITIONAL MOISTURE
FOR WEDNESDAY NIGHT THROUGH THURSDAY AND POSSIBLY FRIDAY ALSO. ALL
IN ALL...EXPECT THIS MOISTURE AND INSTABILITY TO COMBINE WITH
AFOREMENTIONED MID TO UPPER LEVEL TROUGHINESS AND LOCAL
EFFECTS...TO CONTINUE TO PRODUCE SOME CLOUDINESS...SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED TO SCATTERED THUNDERSTORMS OVER
PARTS OF THE LOCAL ISLANDS DURING THE NEXT FEW DAYS. THE BEST
COVERAGE AND MOST ENHANCED ACTIVITY SHOULD CONTINUE TO OCCUR IN
DIURNALLY AND NOCTURNALLY FAVORED AREAS.
&&
.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS THE LOCAL
ISLANDS AND AT ALL TAF SITES THROUGH THE NEXT 24 HOURS. HOWEVER...
MVFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS ARE EXPECTED IN
SCATTERED TO NUMEROUS SHOWERS AND ISOLATED TO SCATTERED
THUNDERSTORMS.
&&
.MARINE...LARGE...LONG PERIOD NORTH NORTHWEST SWELLS WILL
CONTINUE TO PEAK ACROSS THE LOCAL ATLANTIC WATERS AND THE
CARIBBEAN PASSAGES THROUGH THIS EVENING...AND THEN CONTINUE
THROUGH AT LEAST WEDNESDAY. THESE SWELLS WILL CONTINUE TO RESULT
IN ROUGH AND HAZARDOUS MARINE CONDITIONS ACROSS THE LOCAL WATERS.
IN ADDITION...THESE SWELLS WILL CONTINUE TO RESULT IN DANGEROUS
SURF CONDITIONS AND FREQUENT RIP CURRENTS...ALONG WITH SOME MINOR
COASTAL FLOODING THROUGH TONIGHT OR EARLY TUESDAY. FOR THESE
REASONS...HIGH SURF AND COASTAL FLOOD ADVISORIES REMAIN IN EFFECT.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 75 86 76 85 / 10 30 20 20
STT 77 87 78 87 / 30 30 30 30
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Re: Caribbean - Central America Weather
Hi, I've posted the observations for the latest cold surge that reached Central America on the weekend: http://www.storm2k.org/phpbb2/viewtopic.php?f=22&t=106879&p=2204939#p2204939
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- cycloneye
- Admin
- Posts: 145469
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: Caribbean - Central America Weather
Good morning. More flash flooding is expected for this afternoon here. I will post those at the fllod advisories thread.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
524 AM AST TUE NOV 8 2011
.SYNOPSIS.... DEEP LAYERED LOW PRESSURE SYSTEM ACROSS THE SOUTHWEST
ATLANTIC WILL MEANDER JUST SOUTHWEST OF BERMUDA FOR THE NEXT FEW
DAYS...AND THUS MAINTAIN A UPPER TROUGH WITH BASE JUST OVER THE
LOCAL AREA AT LEAST TROUGH WEDNESDAY. THEREAFTER...THE LOW AND
ASSOCIATED TROUGH WILL CONTINUE TO FILL WHILE LIFTING NORTHWARD WITH
A MID TO UPPER LEVEL RIDGE BUILDING ACROSS THE AREA LATE FRIDAY INTO
SATURDAY AND OVER THE UPCOMING WEEKEND. THE PERSISTENT SURFACE LOW
SUPPORTED BY MID TO UPPER LEVELS ACROSS THE SOUTHWEST ATLANTIC STILL
HAS A HIGH CHANCE FOR CONTINUED DEVELOPMENT OVER THE NEXT COUPLE OF
DAYS...AND IS FORECAST TO BE PICKED UP AND LIFTED NORTHWARD BY A
COLD FRONTAL SYSTEM LATE THURSDAY INTO FRIDAY. UNTIL THEN THIS FEATURE
AND WEAK RIDGING FROM THE NORTHEAST ATLANTIC WILL HELP MAINTAIN A
LOOSE PRESSURE GRADIENT AND A FAIRLY LIGHT SOUTHEAST TO SOUTH LOW
LEVEL WIND FLOW ACROSS THE REGION THROUGH AT LEAST THURSDAY.THEREAFTER...
WINDS ARE TO BECOME MORE EASTERLY AS THE ATLANTIC HIGH WILL GRADUALLY
REESTABLISH ITSELF ACROSS THE NORTHEAST CARIBBEAN.
&&
.DISCUSSION...THE DIFFLUENT PATTERN SET UP BY UPPER TROUGH ACROSS
THE REGION...AND GOOD LOW LEVEL MOISTURE ALONG WITH FAVORABLE
DIURNAL HEATING TODAY...SHOULD LEAD TO ANOTHER ROUND OF LATE MORNING
AND AFTERNOON CONVECTION ACROSS PARTS OF THE ISLANDS. THEREFORE
EXPECTING SOMEWHAT SIMILAR WEATHER CONDITIONS FOR TODAY. SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE CORDILLERA
CENTRAL...THEN SLOWLY DRIFTING NORTH NORTHWEST TOWARDS THE NORTH
COASTAL AREAS OF PUERTO RICO. PARTS OF THE VIRGIN ISLANDS AND
ADJACENT ISLANDS SHOULD ALSO HAVE THEIR SHARE OF PASSING EARLY
MORNING SHOWERS FOLLOWED BY SOME AFTERNOON CLOUDINESS AND ISOLATED
TO SCATTERED SHOWERS AND OR A THUNDERSTORM. ACROSS PUERTO RICO ...
SOME RIVERS AND SMALL STREAM ALONG THE NORTHERN HALF OF THE ISLAND...
WILL QUICKLY REACT WITH THE OCCURRENCE OF ANY LOCALLY HEAVY RAINFALL
DURING THE AFTERNOON AS SOILS REMAIN SATURATED FROM PREVIOUS DAYS
RAINFALL. IN ADDITION...EXPECT A SLOW DRAINAGE OF RIVERS AND STREAM
ALONG NORTH COASTAL AREAS DUE TO THE EFFECT OF THE MODERATE LONG
PERIOD NORTHERLY SWELLS AND HAZARDOUS SEA CONDITIONS.
&&
.AVIATION...VFR CONDS ARE EXPECTED TO PREVAIL AT ALL TAF SITES...WITH
VCSH IN AND AROUND TJBQ...TIST...TISX AND TNCM/TKPK THROUGH ABOUT 08/12Z.
AFT 08/15Z...SCT TSRA/SHRA WILL DEVELOP ACROSS THE INTERIOR AND NORTHERN
SECTIONS OF PR...THEREFORE TEMPO MVFR/IFR CONDS WILL BE PSBL AT TJMZ...
TJPS...TJBQ...AND TJSJ THRU 08/22Z. WINDS ARE LIGHT AND VARIABLE BELOW
5 KFT...BECOMING MORE SOUTHERLY AFTER 08/12Z AT AROUND 5 KNOTS AT
5 KFT AND BELOW.
&&
.MARINE...LARGE LONG PERIOD NORTHWEST AND NORTH SWELLS GENERATED FROM
THE LOW PRESSURE SYSTEM ACROSS THE SOUTHWEST ATLANTIC...WILL CONTINUE
TO PROPAGATE SOUTHWARD ACROSS THE LOCAL ATLANTIC THROUGH AT LEAST WEDNESDAY.
THESE SWELLS WILL THEREFORE HELP CREATE BUILDING SEAS AND HAZARDOUS
MARINE CONDITIONS. LATEST BUOY DATA FROM 41046 AND 41043 INDICATED CONTINUED
PULSES OF 8-10 FOOT SWELLS BETWEEN 11 TO 13 SECS. THIS SUGGEST ARRIVAL
TIME OF A ATLEAST 7 FT AT 13 SECS AND BREAKING BETWEEN 8-12 FEET
AT LEAST FOR ANOTHER 9 HOURS ALTHOUGH SWELLS HAVE PEAKED. THEREFORE
HIGH SURF ADVISORY HAS BEEN EXTENDED BEYOND HIGH TIDE UNTIL AT LEAST
NOON TODAY...PENDING FURTHER REVISION AND VISUAL REPORTS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 86 75 86 76 / 40 10 30 20
STT 87 77 87 78 / 30 30 30 40
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
524 AM AST TUE NOV 8 2011
.SYNOPSIS.... DEEP LAYERED LOW PRESSURE SYSTEM ACROSS THE SOUTHWEST
ATLANTIC WILL MEANDER JUST SOUTHWEST OF BERMUDA FOR THE NEXT FEW
DAYS...AND THUS MAINTAIN A UPPER TROUGH WITH BASE JUST OVER THE
LOCAL AREA AT LEAST TROUGH WEDNESDAY. THEREAFTER...THE LOW AND
ASSOCIATED TROUGH WILL CONTINUE TO FILL WHILE LIFTING NORTHWARD WITH
A MID TO UPPER LEVEL RIDGE BUILDING ACROSS THE AREA LATE FRIDAY INTO
SATURDAY AND OVER THE UPCOMING WEEKEND. THE PERSISTENT SURFACE LOW
SUPPORTED BY MID TO UPPER LEVELS ACROSS THE SOUTHWEST ATLANTIC STILL
HAS A HIGH CHANCE FOR CONTINUED DEVELOPMENT OVER THE NEXT COUPLE OF
DAYS...AND IS FORECAST TO BE PICKED UP AND LIFTED NORTHWARD BY A
COLD FRONTAL SYSTEM LATE THURSDAY INTO FRIDAY. UNTIL THEN THIS FEATURE
AND WEAK RIDGING FROM THE NORTHEAST ATLANTIC WILL HELP MAINTAIN A
LOOSE PRESSURE GRADIENT AND A FAIRLY LIGHT SOUTHEAST TO SOUTH LOW
LEVEL WIND FLOW ACROSS THE REGION THROUGH AT LEAST THURSDAY.THEREAFTER...
WINDS ARE TO BECOME MORE EASTERLY AS THE ATLANTIC HIGH WILL GRADUALLY
REESTABLISH ITSELF ACROSS THE NORTHEAST CARIBBEAN.
&&
.DISCUSSION...THE DIFFLUENT PATTERN SET UP BY UPPER TROUGH ACROSS
THE REGION...AND GOOD LOW LEVEL MOISTURE ALONG WITH FAVORABLE
DIURNAL HEATING TODAY...SHOULD LEAD TO ANOTHER ROUND OF LATE MORNING
AND AFTERNOON CONVECTION ACROSS PARTS OF THE ISLANDS. THEREFORE
EXPECTING SOMEWHAT SIMILAR WEATHER CONDITIONS FOR TODAY. SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE CORDILLERA
CENTRAL...THEN SLOWLY DRIFTING NORTH NORTHWEST TOWARDS THE NORTH
COASTAL AREAS OF PUERTO RICO. PARTS OF THE VIRGIN ISLANDS AND
ADJACENT ISLANDS SHOULD ALSO HAVE THEIR SHARE OF PASSING EARLY
MORNING SHOWERS FOLLOWED BY SOME AFTERNOON CLOUDINESS AND ISOLATED
TO SCATTERED SHOWERS AND OR A THUNDERSTORM. ACROSS PUERTO RICO ...
SOME RIVERS AND SMALL STREAM ALONG THE NORTHERN HALF OF THE ISLAND...
WILL QUICKLY REACT WITH THE OCCURRENCE OF ANY LOCALLY HEAVY RAINFALL
DURING THE AFTERNOON AS SOILS REMAIN SATURATED FROM PREVIOUS DAYS
RAINFALL. IN ADDITION...EXPECT A SLOW DRAINAGE OF RIVERS AND STREAM
ALONG NORTH COASTAL AREAS DUE TO THE EFFECT OF THE MODERATE LONG
PERIOD NORTHERLY SWELLS AND HAZARDOUS SEA CONDITIONS.
&&
.AVIATION...VFR CONDS ARE EXPECTED TO PREVAIL AT ALL TAF SITES...WITH
VCSH IN AND AROUND TJBQ...TIST...TISX AND TNCM/TKPK THROUGH ABOUT 08/12Z.
AFT 08/15Z...SCT TSRA/SHRA WILL DEVELOP ACROSS THE INTERIOR AND NORTHERN
SECTIONS OF PR...THEREFORE TEMPO MVFR/IFR CONDS WILL BE PSBL AT TJMZ...
TJPS...TJBQ...AND TJSJ THRU 08/22Z. WINDS ARE LIGHT AND VARIABLE BELOW
5 KFT...BECOMING MORE SOUTHERLY AFTER 08/12Z AT AROUND 5 KNOTS AT
5 KFT AND BELOW.
&&
.MARINE...LARGE LONG PERIOD NORTHWEST AND NORTH SWELLS GENERATED FROM
THE LOW PRESSURE SYSTEM ACROSS THE SOUTHWEST ATLANTIC...WILL CONTINUE
TO PROPAGATE SOUTHWARD ACROSS THE LOCAL ATLANTIC THROUGH AT LEAST WEDNESDAY.
THESE SWELLS WILL THEREFORE HELP CREATE BUILDING SEAS AND HAZARDOUS
MARINE CONDITIONS. LATEST BUOY DATA FROM 41046 AND 41043 INDICATED CONTINUED
PULSES OF 8-10 FOOT SWELLS BETWEEN 11 TO 13 SECS. THIS SUGGEST ARRIVAL
TIME OF A ATLEAST 7 FT AT 13 SECS AND BREAKING BETWEEN 8-12 FEET
AT LEAST FOR ANOTHER 9 HOURS ALTHOUGH SWELLS HAVE PEAKED. THEREFORE
HIGH SURF ADVISORY HAS BEEN EXTENDED BEYOND HIGH TIDE UNTIL AT LEAST
NOON TODAY...PENDING FURTHER REVISION AND VISUAL REPORTS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 86 75 86 76 / 40 10 30 20
STT 87 77 87 78 / 30 30 30 40
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- cycloneye
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Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
303 PM AST TUE NOV 8 2011
.SYNOPSIS...DEEP LAYERED LOW PRESSURE SYSTEM OVER THE SOUTHWEST
ATLANTIC HAVE BEEN SUPPORTING THE SUBTROPICAL STORM SEAN. THE
SURFACE LOW ASSOCIATED WITH SEAN WILL CONTINUE TO SEND LARGE LONG
PERIOD NNW SWELLS TOWARDS THE LOCAL REGION DURING THE NEXT FEW
DAYS. THEREAFTER...SEAN WILL BE ABSORBED AND LIFTED NORTHWARD BY A
COLD FRONTAL SYSTEM LATE THURSDAY INTO FRIDAY. A GENERALLY DRY PATTERN
ESTABLISHES DURING THE UPCOMING WEEKEND.
&&
.DISCUSSION...THE DIFFLUENT PATTERN ALOFT SET UP BY UPPER TROUGH
JUST NORTHEAST OF THE REGION...AND GOOD MOISTURE CONVERGENCE OVER
PUERTO RICO HELPED TO DEVELOP SHOWERS AND THUNDERSTORMS OVER PARTS
OF PUERTO RICO THIS AFTERNOON. IR IMAGERY AS WELL AS DOPPLER RADAR
INDICATED CLUSTERS OF STRONG CONVECTION MOVING NORTHEAST FROM BAYAMON
TO RIO GRANDE. OTHER AREAS OF MODERATE CONVECTION HAS BEEN OBSERVED
ACROSS THE WESTERN HALF OF PUERTO RICO. LOCALIZED RAINFALL AMOUNTS
OF 1 TO 3 INCHES HAS BEEN ESTIMATED BY THE DOPPLER RADAR ACROSS
THESE SECTIONS OF PUERTO RICO.
AN UPPER LEVEL TROUGH OVER THE SW NORTH ATLANTIC IS EXPECTED TO
REMAIN NEAR THE AREA THROUGH THURSDAY...BEFORE REPOSITIONS ITSELF
AND INTENSIFIES JUST EAST OF THE LESSER ANTILLES BY FRIDAY. THIS
FEATURE WILL MAINTAIN A GENERALLY UNSETTLED WEATHER PATTERN ACROSS
THE REGION DURING THE NEXT COUPLE OF DAYS. IN ADDITION...PRECIPITABLE
WATER VALUES IS FORECAST TO REMAIN A BIT ABOVE AVERAGE THROUGH THE
END OF THE WORK WEEK. AS A RESULT...EXPECT SUFFICIENT VENTILATION
TO COMBINE WITH THE AVAILABLE MOISTURE...DAYTIME HEATING AND LOCAL
EFFECTS TO SUPPORT AFTERNOON CONVECTION ACROSS THE INTERIOR...NORTH
AND WEST SECTIONS OF PUERTO RICO EACH AFTERNOON. LOOK FOR IMPROVING
CONDITIONS DURING THE WEEKEND...AS A HIGH PRESSURE RIDGE BUILDS
OVER THE NORTH ATLANTIC AND THE TRADE WIND PATTERN RETURNS TO THE
REGION.
&&
.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS AT MOST OF THE
TAF SITES THROUGH THE NEXT 24 HOURS. HOWEVER...BRIEF PERIODS OF MVFR
CONDS AND LOCAL MOUNTAIN OBSCURATIONS ARE POSSIBLE IN SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED TO SCATTERED THUNDERSTORMS. MDCRS/AMDAR
18Z SJU SOUNDING SHOWED AVG 0-6 WIND OF 203DEG/10KT.
&&
.MARINE...NORTH NORTHEAST SWELLS GENERATED BY SEAN...WILL CONTINUE
TO AFFECT THE ATLANTIC WATERS THROUGH WEDNESDAY. THE SWELLS WILL
DIMINISH WEDNESDAY AFTERNOON AS SEAN MOVES NE INTO THE NORTH
ATLANTIC. HIGH SURF ADVISORY CONTINUES UNTIL 10 PM AST TONIGHT.
THE SWELLS WILL ALSO CONTINUE TO LINGER AND FOR THIS REASON...THE
SCA WILL REMAIN IN EFFECT THROUGH AT LEAST NOON AST WEDNESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 86 75 86 / 20 60 20 20
STT 77 87 77 86 / 40 40 20 20
NATIONAL WEATHER SERVICE SAN JUAN PR
303 PM AST TUE NOV 8 2011
.SYNOPSIS...DEEP LAYERED LOW PRESSURE SYSTEM OVER THE SOUTHWEST
ATLANTIC HAVE BEEN SUPPORTING THE SUBTROPICAL STORM SEAN. THE
SURFACE LOW ASSOCIATED WITH SEAN WILL CONTINUE TO SEND LARGE LONG
PERIOD NNW SWELLS TOWARDS THE LOCAL REGION DURING THE NEXT FEW
DAYS. THEREAFTER...SEAN WILL BE ABSORBED AND LIFTED NORTHWARD BY A
COLD FRONTAL SYSTEM LATE THURSDAY INTO FRIDAY. A GENERALLY DRY PATTERN
ESTABLISHES DURING THE UPCOMING WEEKEND.
&&
.DISCUSSION...THE DIFFLUENT PATTERN ALOFT SET UP BY UPPER TROUGH
JUST NORTHEAST OF THE REGION...AND GOOD MOISTURE CONVERGENCE OVER
PUERTO RICO HELPED TO DEVELOP SHOWERS AND THUNDERSTORMS OVER PARTS
OF PUERTO RICO THIS AFTERNOON. IR IMAGERY AS WELL AS DOPPLER RADAR
INDICATED CLUSTERS OF STRONG CONVECTION MOVING NORTHEAST FROM BAYAMON
TO RIO GRANDE. OTHER AREAS OF MODERATE CONVECTION HAS BEEN OBSERVED
ACROSS THE WESTERN HALF OF PUERTO RICO. LOCALIZED RAINFALL AMOUNTS
OF 1 TO 3 INCHES HAS BEEN ESTIMATED BY THE DOPPLER RADAR ACROSS
THESE SECTIONS OF PUERTO RICO.
AN UPPER LEVEL TROUGH OVER THE SW NORTH ATLANTIC IS EXPECTED TO
REMAIN NEAR THE AREA THROUGH THURSDAY...BEFORE REPOSITIONS ITSELF
AND INTENSIFIES JUST EAST OF THE LESSER ANTILLES BY FRIDAY. THIS
FEATURE WILL MAINTAIN A GENERALLY UNSETTLED WEATHER PATTERN ACROSS
THE REGION DURING THE NEXT COUPLE OF DAYS. IN ADDITION...PRECIPITABLE
WATER VALUES IS FORECAST TO REMAIN A BIT ABOVE AVERAGE THROUGH THE
END OF THE WORK WEEK. AS A RESULT...EXPECT SUFFICIENT VENTILATION
TO COMBINE WITH THE AVAILABLE MOISTURE...DAYTIME HEATING AND LOCAL
EFFECTS TO SUPPORT AFTERNOON CONVECTION ACROSS THE INTERIOR...NORTH
AND WEST SECTIONS OF PUERTO RICO EACH AFTERNOON. LOOK FOR IMPROVING
CONDITIONS DURING THE WEEKEND...AS A HIGH PRESSURE RIDGE BUILDS
OVER THE NORTH ATLANTIC AND THE TRADE WIND PATTERN RETURNS TO THE
REGION.
&&
.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS AT MOST OF THE
TAF SITES THROUGH THE NEXT 24 HOURS. HOWEVER...BRIEF PERIODS OF MVFR
CONDS AND LOCAL MOUNTAIN OBSCURATIONS ARE POSSIBLE IN SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED TO SCATTERED THUNDERSTORMS. MDCRS/AMDAR
18Z SJU SOUNDING SHOWED AVG 0-6 WIND OF 203DEG/10KT.
&&
.MARINE...NORTH NORTHEAST SWELLS GENERATED BY SEAN...WILL CONTINUE
TO AFFECT THE ATLANTIC WATERS THROUGH WEDNESDAY. THE SWELLS WILL
DIMINISH WEDNESDAY AFTERNOON AS SEAN MOVES NE INTO THE NORTH
ATLANTIC. HIGH SURF ADVISORY CONTINUES UNTIL 10 PM AST TONIGHT.
THE SWELLS WILL ALSO CONTINUE TO LINGER AND FOR THIS REASON...THE
SCA WILL REMAIN IN EFFECT THROUGH AT LEAST NOON AST WEDNESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 86 75 86 / 20 60 20 20
STT 77 87 77 86 / 40 40 20 20
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- cycloneye
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Re: Caribbean - Central America Weather
Good morning. Rain is the word for today here.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST WED NOV 9 2011
.SYNOPSIS...THE SURFACE LOW ASSOCIATED WITH TROPICAL STORM SEAN WILL
CONTINUE TO SEND LARGE LONG PERIOD NNW SWELLS TOWARDS THE LOCAL
REGION DURING THE NEXT FEW DAYS. THEREAFTER...SEAN WILL LIFT NORTHWARD
WITH A COLD FRONTAL SYSTEM FROM THURSDAY INTO FRIDAY. COMPUTER
MODELS CONTINUE INSISTING IN A DRIER WEATHER PATTERN STARTING THIS
COMING WEEKEND.
&&
.DISCUSSION...DEEP MOISTURE AND INSTABILITY DUE TO AN UPPER TROUGH
HAS CAUSED SOME THUNDERSTORM DEVELOPMENT ACROSS THE SOUTHERN COAST
OF PUERTO RICO AS WELL AS ACROSS THE NORTHEAST QUADRANT.
THIS UPPER TROUGH WITH THE AVAILABLE MOISTURE WILL CONTINUE TO
HELP DEVELOP SHOWERS AND THUNDERSTORMS THROUGHOUT THE DAY TODAY.
WITH THE SOUTH SOUTHWESTERLY FLOW...EXPECT THE AFTERNOON
CONVECTION TO AFFECT MOSTLY THE INTERIOR AND NORTHERN
MUNICIPALITIES OF PUERTO RICO. THIS DEEP MOISTURE OF AROUND 2.0
INCHES PWAT IS EXPECTED AT LEAST THROUGH TODAY...WITH A SLIGHT
DECREASE IN MOISTURE FOR THURSDAY AND FRIDAY. MID LEVEL
MOISTURE WILL NOT BE AS ABUNDANT AFTER FRIDAY. THEREFORE...IT IS
EXPECTED THAT THIS PATTERN OF POSSIBLE MORNING SHOWERS ACROSS THE
WATERS...SMALLER ISLANDS...AND COASTAL MUNICIPALITIES WITH AFTERNOON
CONVECTION OVER THE INTERIOR AND NORTHERN SECTIONS OF PUERTO
RICO...WILL CONTINUE UNTIL AT LEAST FRIDAY.
AVAILABLE MOISTURE...AS WELL AS MID TO UPPER LEVEL DYNAMICS SEEM
TO BE LESS CONDUCIVE FOR THUNDERSTORMS FOR THIS UPCOMING WEEKEND
AND INTO NEXT WEEK. AS THE UPPER TROUGH LIFTS...TROPICAL STORM
SEAN GETS ABSORBED AND THE WINDS SHIFT TO MORE FROM THE EAST AND
THEN NORTHEAST.
&&
.AVIATION...AREAS OF SHRA/TSRA WILL PERSIST OVER SRN AND ERN
PUERTO RICO AND SAINT THOMAS THRU 09/12Z WITH MTN OBSCURATIONS AND
LCLY MVFR CONDS AT TJPS. AFT 09/12Z PR TAF SITES VFR. AFT 09/16Z
AREAS OF SHRA/TSRA DEVELOPING WITH MVFR/IFR CONDS INTERIOR PUERTO
RICO AND TJMZ AND POSSIBLY TJBQ AND TJSJ. MTN OBSCURATIONS
WIDESPREAD. LEEWARD ISLANDS...BRIEF MVFR PSBL TKPK AND TNCM THRU
PD MAINLY DUE TO CIGS. WINDS LIGHT AND VRB XCP NR TSRA BLO 5 KFT.
WINDS SW 15-20 KTS BTWN 5-20 KFT.
&&
.MARINE...BUOY 41043 CONTINUES TO SHOW WAVE HEIGHTS OF OVER 8 FEET
WITH A 10 SECOND PERIOD. THEREFORE...THE SMALL CRAFT ADVISORY FOR
THE OFFSHORE ATLANTIC WATERS HAS BEEN EXTENDED UNTIL FRIDAY AT 3
AM AST.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 76 85 76 / 60 20 20 20
STT 87 77 86 78 / 40 20 20 40
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST WED NOV 9 2011
.SYNOPSIS...THE SURFACE LOW ASSOCIATED WITH TROPICAL STORM SEAN WILL
CONTINUE TO SEND LARGE LONG PERIOD NNW SWELLS TOWARDS THE LOCAL
REGION DURING THE NEXT FEW DAYS. THEREAFTER...SEAN WILL LIFT NORTHWARD
WITH A COLD FRONTAL SYSTEM FROM THURSDAY INTO FRIDAY. COMPUTER
MODELS CONTINUE INSISTING IN A DRIER WEATHER PATTERN STARTING THIS
COMING WEEKEND.
&&
.DISCUSSION...DEEP MOISTURE AND INSTABILITY DUE TO AN UPPER TROUGH
HAS CAUSED SOME THUNDERSTORM DEVELOPMENT ACROSS THE SOUTHERN COAST
OF PUERTO RICO AS WELL AS ACROSS THE NORTHEAST QUADRANT.
THIS UPPER TROUGH WITH THE AVAILABLE MOISTURE WILL CONTINUE TO
HELP DEVELOP SHOWERS AND THUNDERSTORMS THROUGHOUT THE DAY TODAY.
WITH THE SOUTH SOUTHWESTERLY FLOW...EXPECT THE AFTERNOON
CONVECTION TO AFFECT MOSTLY THE INTERIOR AND NORTHERN
MUNICIPALITIES OF PUERTO RICO. THIS DEEP MOISTURE OF AROUND 2.0
INCHES PWAT IS EXPECTED AT LEAST THROUGH TODAY...WITH A SLIGHT
DECREASE IN MOISTURE FOR THURSDAY AND FRIDAY. MID LEVEL
MOISTURE WILL NOT BE AS ABUNDANT AFTER FRIDAY. THEREFORE...IT IS
EXPECTED THAT THIS PATTERN OF POSSIBLE MORNING SHOWERS ACROSS THE
WATERS...SMALLER ISLANDS...AND COASTAL MUNICIPALITIES WITH AFTERNOON
CONVECTION OVER THE INTERIOR AND NORTHERN SECTIONS OF PUERTO
RICO...WILL CONTINUE UNTIL AT LEAST FRIDAY.
AVAILABLE MOISTURE...AS WELL AS MID TO UPPER LEVEL DYNAMICS SEEM
TO BE LESS CONDUCIVE FOR THUNDERSTORMS FOR THIS UPCOMING WEEKEND
AND INTO NEXT WEEK. AS THE UPPER TROUGH LIFTS...TROPICAL STORM
SEAN GETS ABSORBED AND THE WINDS SHIFT TO MORE FROM THE EAST AND
THEN NORTHEAST.
&&
.AVIATION...AREAS OF SHRA/TSRA WILL PERSIST OVER SRN AND ERN
PUERTO RICO AND SAINT THOMAS THRU 09/12Z WITH MTN OBSCURATIONS AND
LCLY MVFR CONDS AT TJPS. AFT 09/12Z PR TAF SITES VFR. AFT 09/16Z
AREAS OF SHRA/TSRA DEVELOPING WITH MVFR/IFR CONDS INTERIOR PUERTO
RICO AND TJMZ AND POSSIBLY TJBQ AND TJSJ. MTN OBSCURATIONS
WIDESPREAD. LEEWARD ISLANDS...BRIEF MVFR PSBL TKPK AND TNCM THRU
PD MAINLY DUE TO CIGS. WINDS LIGHT AND VRB XCP NR TSRA BLO 5 KFT.
WINDS SW 15-20 KTS BTWN 5-20 KFT.
&&
.MARINE...BUOY 41043 CONTINUES TO SHOW WAVE HEIGHTS OF OVER 8 FEET
WITH A 10 SECOND PERIOD. THEREFORE...THE SMALL CRAFT ADVISORY FOR
THE OFFSHORE ATLANTIC WATERS HAS BEEN EXTENDED UNTIL FRIDAY AT 3
AM AST.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 76 85 76 / 60 20 20 20
STT 87 77 86 78 / 40 20 20 40
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Re: Caribbean - Central America Weather
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
233 PM AST WED NOV 9 2011
.SYNOPSIS...MID-UPPER LEVEL TROF ANCHORED BY TROPICAL STORM SEAN
WILL MOVE ACROSS THE AREA TOMORROW. NORTHEAST TRADE WINDS WILL
RETURN TO THE AREA ON FRI.
&&
.DISCUSSION...S/W ENERGY ROTATING AROUND MID-UPPER CUTOFF LOW
(A REFLECTION OF TS SEAN) WILL CONTINUE TO MOVE ACROSS THE AREA
OVR THE NEXT 24 HRS KEEPING UNSETTLED WX. ALTHOUGH LOCAL HI-RES
MODELS DO NOT SHOW ANY SIG PRECIP FOR TOMORROW THERE STILL IS MORE
THAN SUFFICIENT MOISTURE...INSTABILITY AND S/W ENERGY TO TRIGGER
ONE MORE AND LAST ROUND OF ACTIVE WX TOMORROW. OVERNIGHT...LOOKS
FOR POSSIBLE CONVECTION TO FORM ACROSS THE MONA PASSAGE AND AFFECT
WRN PR TOWARD DAYBREAK. ANOTHER AREA FOR POSSIBLE BLOWUP IS ACROSS
THE CARIBBEAN COASTAL WATERS THAT COULD AFFECT VIEQUES...CULEBRA
AND THE USVI. LATEST GFS SUGGESTS MORE BREAKS IN THE CLOUD COVER
TOMORROW THAN TODAY FOR CONVECTION TO FLARE UP IN THE AFTERNOON
MAINLY EASTERN HALF OF THE ISLAND.
TS SEAN WILL BE ABSORBED BY A DEEP POLAR TROF FCST TO EMERGE OFF
THE NORTHEAST U.S. EARLY FRI WITH SHORTWAVE RIDGING FCST TO BUILD
ACROSS THE LOCAL AREA BY THE START OF THE WEEKEND. NORTHEAST
TRADES WILL ALSO ESTABLISH ACROSS THE AREA BY THE END OF DAY FRI.
EXPECTING A NOTICEABLY IMPROVEMENT IN WX CONDITIONS ON FRI WITH
FURTHER IMPROVEMENT AS WE GO INTO THE WEEKEND AND NEXT WEEK AS
TRADES STRENGTHEN AND AIR MASS DRIES OUT ON FRESH NORTHEAST TRADES.
&&
.AVIATION...HIGH RISK FOR TSRA FOR JBQ/JMZ AND USVI TERMINALS
OVERNIGHT. THEN CONVECTION XPCD TO DEVELOP THU AFTERNOON AND
AFFECT MAINLY TJSJ. CONDITIONS IMPROVE SIGNIFICANTLY FRI AND
THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.
&&
.MARINE...SEAS WILL REMAIN BETWEEN 5-7 FT ACROSS THE ATLC COASTAL
WATERS THROUGH MIDNIGHT THU NIGHT THEN IMPROVE A LITTLE BIT BUT
REMAIN IN SCEC CRITERIA. WINDS ALSO FCST TO INCREASE BUT REMAIN
BELOW 18 KT THROUGH THE WEEKEND.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 86 72 85 / 30 70 30 30
STT 81 86 77 87 / 50 50 40 40
NATIONAL WEATHER SERVICE SAN JUAN PR
233 PM AST WED NOV 9 2011
.SYNOPSIS...MID-UPPER LEVEL TROF ANCHORED BY TROPICAL STORM SEAN
WILL MOVE ACROSS THE AREA TOMORROW. NORTHEAST TRADE WINDS WILL
RETURN TO THE AREA ON FRI.
&&
.DISCUSSION...S/W ENERGY ROTATING AROUND MID-UPPER CUTOFF LOW
(A REFLECTION OF TS SEAN) WILL CONTINUE TO MOVE ACROSS THE AREA
OVR THE NEXT 24 HRS KEEPING UNSETTLED WX. ALTHOUGH LOCAL HI-RES
MODELS DO NOT SHOW ANY SIG PRECIP FOR TOMORROW THERE STILL IS MORE
THAN SUFFICIENT MOISTURE...INSTABILITY AND S/W ENERGY TO TRIGGER
ONE MORE AND LAST ROUND OF ACTIVE WX TOMORROW. OVERNIGHT...LOOKS
FOR POSSIBLE CONVECTION TO FORM ACROSS THE MONA PASSAGE AND AFFECT
WRN PR TOWARD DAYBREAK. ANOTHER AREA FOR POSSIBLE BLOWUP IS ACROSS
THE CARIBBEAN COASTAL WATERS THAT COULD AFFECT VIEQUES...CULEBRA
AND THE USVI. LATEST GFS SUGGESTS MORE BREAKS IN THE CLOUD COVER
TOMORROW THAN TODAY FOR CONVECTION TO FLARE UP IN THE AFTERNOON
MAINLY EASTERN HALF OF THE ISLAND.
TS SEAN WILL BE ABSORBED BY A DEEP POLAR TROF FCST TO EMERGE OFF
THE NORTHEAST U.S. EARLY FRI WITH SHORTWAVE RIDGING FCST TO BUILD
ACROSS THE LOCAL AREA BY THE START OF THE WEEKEND. NORTHEAST
TRADES WILL ALSO ESTABLISH ACROSS THE AREA BY THE END OF DAY FRI.
EXPECTING A NOTICEABLY IMPROVEMENT IN WX CONDITIONS ON FRI WITH
FURTHER IMPROVEMENT AS WE GO INTO THE WEEKEND AND NEXT WEEK AS
TRADES STRENGTHEN AND AIR MASS DRIES OUT ON FRESH NORTHEAST TRADES.
&&
.AVIATION...HIGH RISK FOR TSRA FOR JBQ/JMZ AND USVI TERMINALS
OVERNIGHT. THEN CONVECTION XPCD TO DEVELOP THU AFTERNOON AND
AFFECT MAINLY TJSJ. CONDITIONS IMPROVE SIGNIFICANTLY FRI AND
THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.
&&
.MARINE...SEAS WILL REMAIN BETWEEN 5-7 FT ACROSS THE ATLC COASTAL
WATERS THROUGH MIDNIGHT THU NIGHT THEN IMPROVE A LITTLE BIT BUT
REMAIN IN SCEC CRITERIA. WINDS ALSO FCST TO INCREASE BUT REMAIN
BELOW 18 KT THROUGH THE WEEKEND.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 76 86 72 85 / 30 70 30 30
STT 81 86 77 87 / 50 50 40 40
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Re: Caribbean - Central America Weather
hi everyone
rainy night here.
rainy night here.
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Too many hurricanes to remember
- cycloneye
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Re: Caribbean - Central America Weather
msbee wrote:hi everyone
rainy night here.
Hello Barbara. I can tell you that all this bad weather that has been affecting the NE Caribbean in the past couple of days is a big feeder band that comes from Tropical Storm Sean that is SW of Bermuda.But as Sean starts to move to the NE,better weather will be with us this weekend.
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- Admin
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- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
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Re: Caribbean - Central America Weather
Good morning.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
523 AM AST THU NOV 10 2011
.SYNOPSIS...UPPER LEVEL TROUGH WILL REMAIN OVER THE AREA TODAY AND
INTO FRIDAY ALONG WITH ABUNDANT MOISTURE. WINDS ARE EXPECTED TO
SHIFT TO MORE OF A NORTHEASTERLY DIRECTION ON FRIDAY AND AVAILABLE
MOISTURE WILL DIMINISH SLIGHTLY ON SATURDAY.
&&
.DISCUSSION...UPPER LEVEL TROUGH THAT HELPED IN THE DEVELOPMENT OF
RECENT THUNDERSTORMS WILL REMAIN OVER THE AREA TODAY AS IT MOVES
EAST. GFS SHOWS THAT THE TROUGH WILL BE EAST OF THE USVI BY FRIDAY
AFTERNOON. ALSO...FORECAST SOUNDINGS SHOW ENOUGH MOISTURE AND
INSTABILITY TO PRODUCE SHOWERS AND A FEW THUNDERSTORMS TODAY AND
FRIDAY...DIMINISHING PW VALUES ON SATURDAY AND INTO THE UPCOMING
WEEK TO AROUND 1.6 TO 1.7 INCHES. EVEN THOUGH THE WINDS WILL SHIFT TO
THE NORTHEAST ON FRIDAY...THE WINDS ARE FORECAST TO BE FAIRLY
LIGHT...GFS FORECAST SOUNDINGS HAVE 0 TO 6 KM STORM MOTION FOR
FRIDAY AT NO MORE THAN 3 KTS.
AS TROPICAL STORM SEAN MOVES NORTH...THE UPPER TROUGH LEAVES THE
AREA...AND THE WINDS SHIFT TO MORE OF A NORTHEASTERLY
DIRECTION...WIND SHEAR AT THE UPPER LEVELS AND OVERALL INSTABILITY
IS EXPECTED TO DECREASE FOR THE BEGINNING OF NEXT WEEK. MORNING
SHOWERS MAY STILL BE POSSIBLE...BUT UNDER THE CURRENT LONG RANGE
MODEL FORECASTS...THUNDERSTORM DEVELOPMENT SHOULD BE LIMITED DUE
TO THE DECREASE IN OVERALL INSTABILITY.
&&
.AVIATION...BANDS OF CONVECTION WILL SANDWICH THE LOCAL AREA THROUGH
11/10Z. VFR CONDS WILL PREVAIL AT ALL TAF SITES THROUGH 11/10Z. OCNL
MVFR CONDS MAY BE EXPECTED AT TNCM AND TKPK AND BTWN 10/15 AND
11/02Z AT TJMZ AND TJBQ WHEN AFTERNOON THUNDERSTORMS DEVELOP. HIR
TERRAIN WILL BE OBSCURED DURING THIS PERIOD. LLVL WINDS WILL BE SE
LESS THAN 15 KT AT THE SFC BCMG SLY ARND 15 KT UP THROUGH 10 KFT.
&&
.MARINE...BUOY DATA INDICATES THAT THE SEAS HAVE DIMINISHED TO
BELOW 7 FEET. SEAS ARE EXPECTED TO REMAIN IN THE 4-6 FEET RANGE
EXCEPT THE NEARSHORE WATERS TO THE SOUTH AND SOUTHWEST OF PUERTO
RICO. WINDS WILL BE BELOW 18 KNOTS BUT SINCE SEAS WILL BE UP TO 6
FEET...SMALL CRAFT OPERATORS ARE URGED TO EXERCISE CAUTION.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 74 86 75 / 70 40 30 30
STT 86 77 87 79 / 50 50 40 30
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
523 AM AST THU NOV 10 2011
.SYNOPSIS...UPPER LEVEL TROUGH WILL REMAIN OVER THE AREA TODAY AND
INTO FRIDAY ALONG WITH ABUNDANT MOISTURE. WINDS ARE EXPECTED TO
SHIFT TO MORE OF A NORTHEASTERLY DIRECTION ON FRIDAY AND AVAILABLE
MOISTURE WILL DIMINISH SLIGHTLY ON SATURDAY.
&&
.DISCUSSION...UPPER LEVEL TROUGH THAT HELPED IN THE DEVELOPMENT OF
RECENT THUNDERSTORMS WILL REMAIN OVER THE AREA TODAY AS IT MOVES
EAST. GFS SHOWS THAT THE TROUGH WILL BE EAST OF THE USVI BY FRIDAY
AFTERNOON. ALSO...FORECAST SOUNDINGS SHOW ENOUGH MOISTURE AND
INSTABILITY TO PRODUCE SHOWERS AND A FEW THUNDERSTORMS TODAY AND
FRIDAY...DIMINISHING PW VALUES ON SATURDAY AND INTO THE UPCOMING
WEEK TO AROUND 1.6 TO 1.7 INCHES. EVEN THOUGH THE WINDS WILL SHIFT TO
THE NORTHEAST ON FRIDAY...THE WINDS ARE FORECAST TO BE FAIRLY
LIGHT...GFS FORECAST SOUNDINGS HAVE 0 TO 6 KM STORM MOTION FOR
FRIDAY AT NO MORE THAN 3 KTS.
AS TROPICAL STORM SEAN MOVES NORTH...THE UPPER TROUGH LEAVES THE
AREA...AND THE WINDS SHIFT TO MORE OF A NORTHEASTERLY
DIRECTION...WIND SHEAR AT THE UPPER LEVELS AND OVERALL INSTABILITY
IS EXPECTED TO DECREASE FOR THE BEGINNING OF NEXT WEEK. MORNING
SHOWERS MAY STILL BE POSSIBLE...BUT UNDER THE CURRENT LONG RANGE
MODEL FORECASTS...THUNDERSTORM DEVELOPMENT SHOULD BE LIMITED DUE
TO THE DECREASE IN OVERALL INSTABILITY.
&&
.AVIATION...BANDS OF CONVECTION WILL SANDWICH THE LOCAL AREA THROUGH
11/10Z. VFR CONDS WILL PREVAIL AT ALL TAF SITES THROUGH 11/10Z. OCNL
MVFR CONDS MAY BE EXPECTED AT TNCM AND TKPK AND BTWN 10/15 AND
11/02Z AT TJMZ AND TJBQ WHEN AFTERNOON THUNDERSTORMS DEVELOP. HIR
TERRAIN WILL BE OBSCURED DURING THIS PERIOD. LLVL WINDS WILL BE SE
LESS THAN 15 KT AT THE SFC BCMG SLY ARND 15 KT UP THROUGH 10 KFT.
&&
.MARINE...BUOY DATA INDICATES THAT THE SEAS HAVE DIMINISHED TO
BELOW 7 FEET. SEAS ARE EXPECTED TO REMAIN IN THE 4-6 FEET RANGE
EXCEPT THE NEARSHORE WATERS TO THE SOUTH AND SOUTHWEST OF PUERTO
RICO. WINDS WILL BE BELOW 18 KNOTS BUT SINCE SEAS WILL BE UP TO 6
FEET...SMALL CRAFT OPERATORS ARE URGED TO EXERCISE CAUTION.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 87 74 86 75 / 70 40 30 30
STT 86 77 87 79 / 50 50 40 30
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Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here
and observations from Caribbean basin members Click Here
- Gustywind
- Category 5
- Posts: 12334
- Joined: Mon Sep 03, 2007 7:29 am
- Location: Baie-Mahault, GUADELOUPE
Pretty rain yesterday night. Meteo-France Guadeloupe reported 40 to 60 millimeters in some localities here in Guadeloupe. Weather was overcast grey and sad this morning with numerous scattered showers in vicinity. Things just begin to improve since one hour
but the sun is fighting against...

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Re: Caribbean - Central America Weather
Hi a new cold surge began today in Central America but even without a cold surge very cold minimum temperatures were registred yesterday in Guatemala, El Salvador and Honduras, I will post them in a few minutes. The cold surge that is affecting Central America wight now is expected to be the most intense so far this season, especially in terms of wind speed so I will keep you updated.
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