Post by Nws Olney Maryland on Aug 21, 2011 13:38:10 GMT -5
BULLETIN
TROPICAL STORM IRENE ADVISORY NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
1100 AM AST SUN AUG 21 2011
...IRENE EXPECTED TO STRENGTHEN AND PASS NEAR PUERTO RICO TONIGHT...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.0N 63.2W
ABOUT 235 MI...375 KM ESE OF PONCE PUERTO RICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 20 MPH...32 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
THE TROPICAL STORM WARNING FOR PUERTO RICO...VIEQUES...AND CULEBRA
IS CHANGED TO A HURRICANE WARNING.
A HURRICANE WATCH HAS BEEN ISSUED FOR THE U.S. VIRGIN ISLANDS.
THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS CHANGED THE TROPICAL
STORM WARNING TO A HURRICANE WARNING FOR THE NORTH COAST OF THE
DOMINICAN REPUBLIC FROM CABO ENGANO TO CABO FRANCES VIEJO.
THE TROPICAL STORM WATCH FOR HAITI IS CHANGED TO A TROPICAL STORM
WARNING.
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR
THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* THE DOMINICAN REPUBLIC FROM THE SOUTHERN BORDER WITH HAITI TO CABO
FRANCES VIEJO ON THE NORTH COAST
A HURRICANE WATCH IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* SABA...ST. EUSTATIUS...ST. MAARTEN...ST. MARTIN...AND ST.
BARTHELEMY
* ANTIGUA...BARBUDA...ST. KITTS...NEVIS...ANGUILLA...MONTSERRAT
* BRITISH VIRGIN ISLANDS
* NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER
EASTWARD TO CABO FRANCES VIEJO
* HAITI
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO
YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM IRENE WAS
LOCATED NEAR LATITUDE 17.0 NORTH...LONGITUDE 63.2 WEST. IRENE IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 20 MPH...32 KM/H...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH A
GRADUAL DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...IRENE
WILL PASS NEAR PUERTO RICO TONIGHT OR EARLY MONDAY AND APPROACH THE
DOMINICAN REPUBLIC ON MONDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT DAY OR
SO...AND IRENE COULD BECOME A HURRICANE ON MONDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240
KM...MAINLY TO THE NORTH OF THE CENTER.
AN AIR FORCE HURRICANE HUNTER AIRCRAFT REPORTED A MINIMUM CENTRAL
PRESSURE OF 1007 MB...29.74 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE LEEWARD ISLANDS
TODAY. TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN THIS
AFTERNOON IN THE VIRGIN ISLANDS AND PUERTO RICO...AND IN THE
DOMINICAN REPUBLIC EARLY MONDAY. HURRICANE CONDITIONS ARE
EXPECTED OVER PUERTO RICO...VIEQUES...AND CULEBRA TONIGHT...AND OVER
THE DOMINICAN REPUBLIC ON MONDAY.
RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 4 TO 7 INCHES IN THE LEEWARD ISLANDS...PUERTO RICO AND THE
VIRGIN ISLANDS...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 10 INCHES.
TOTAL RAINFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE POSSIBLE ACROSS
THE DOMINICAN REPUBLIC AND HAITI...WITH ISOLATED MAXIMUM AMOUNTS OF
20 INCHES POSSIBLE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH
FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN.
STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3
TO 5 FEET ABOVE NORMAL TIDE LEVELS ALONG THE COAST OF THE DOMINICAN
REPUBLIC IN THE HURRICANE WARNING AREA. A STORM SURGE OF 1 TO 3
FEET ABOVE NORMAL TIDE LEVELS IS EXPECTED ALONG THE COAST OF PUERTO
RICO...AS WELL AS IN THE TROPICAL STORM WARNING AREA. NEAR THE
COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
TROPICAL STORM IRENE ADVISORY NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
1100 AM AST SUN AUG 21 2011
...IRENE EXPECTED TO STRENGTHEN AND PASS NEAR PUERTO RICO TONIGHT...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.0N 63.2W
ABOUT 235 MI...375 KM ESE OF PONCE PUERTO RICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 20 MPH...32 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
THE TROPICAL STORM WARNING FOR PUERTO RICO...VIEQUES...AND CULEBRA
IS CHANGED TO A HURRICANE WARNING.
A HURRICANE WATCH HAS BEEN ISSUED FOR THE U.S. VIRGIN ISLANDS.
THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS CHANGED THE TROPICAL
STORM WARNING TO A HURRICANE WARNING FOR THE NORTH COAST OF THE
DOMINICAN REPUBLIC FROM CABO ENGANO TO CABO FRANCES VIEJO.
THE TROPICAL STORM WATCH FOR HAITI IS CHANGED TO A TROPICAL STORM
WARNING.
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR
THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* THE DOMINICAN REPUBLIC FROM THE SOUTHERN BORDER WITH HAITI TO CABO
FRANCES VIEJO ON THE NORTH COAST
A HURRICANE WATCH IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* SABA...ST. EUSTATIUS...ST. MAARTEN...ST. MARTIN...AND ST.
BARTHELEMY
* ANTIGUA...BARBUDA...ST. KITTS...NEVIS...ANGUILLA...MONTSERRAT
* BRITISH VIRGIN ISLANDS
* NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER
EASTWARD TO CABO FRANCES VIEJO
* HAITI
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO
YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM IRENE WAS
LOCATED NEAR LATITUDE 17.0 NORTH...LONGITUDE 63.2 WEST. IRENE IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 20 MPH...32 KM/H...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH A
GRADUAL DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...IRENE
WILL PASS NEAR PUERTO RICO TONIGHT OR EARLY MONDAY AND APPROACH THE
DOMINICAN REPUBLIC ON MONDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT DAY OR
SO...AND IRENE COULD BECOME A HURRICANE ON MONDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240
KM...MAINLY TO THE NORTH OF THE CENTER.
AN AIR FORCE HURRICANE HUNTER AIRCRAFT REPORTED A MINIMUM CENTRAL
PRESSURE OF 1007 MB...29.74 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE LEEWARD ISLANDS
TODAY. TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN THIS
AFTERNOON IN THE VIRGIN ISLANDS AND PUERTO RICO...AND IN THE
DOMINICAN REPUBLIC EARLY MONDAY. HURRICANE CONDITIONS ARE
EXPECTED OVER PUERTO RICO...VIEQUES...AND CULEBRA TONIGHT...AND OVER
THE DOMINICAN REPUBLIC ON MONDAY.
RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 4 TO 7 INCHES IN THE LEEWARD ISLANDS...PUERTO RICO AND THE
VIRGIN ISLANDS...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 10 INCHES.
TOTAL RAINFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE POSSIBLE ACROSS
THE DOMINICAN REPUBLIC AND HAITI...WITH ISOLATED MAXIMUM AMOUNTS OF
20 INCHES POSSIBLE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH
FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN.
STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3
TO 5 FEET ABOVE NORMAL TIDE LEVELS ALONG THE COAST OF THE DOMINICAN
REPUBLIC IN THE HURRICANE WARNING AREA. A STORM SURGE OF 1 TO 3
FEET ABOVE NORMAL TIDE LEVELS IS EXPECTED ALONG THE COAST OF PUERTO
RICO...AS WELL AS IN THE TROPICAL STORM WARNING AREA. NEAR THE
COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.