Post by Nws Olney Maryland on Aug 22, 2011 10:45:35 GMT -5
BULLETIN
TROPICAL STORM IRENE INTERMEDIATE ADVISORY NUMBER 6A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
100 AM AST MON AUG 22 2011
...IRENE BEARING DOWN ON EASTERN PUERTO RICO...
SUMMARY OF 100 AM AST...0500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.0N 65.7W
ABOUT 35 MI...55 KM SE OF SAN JUAN PUERTO RICO
ABOUT 65 MI...105 KM WNW OF ST. CROIX
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.20 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* THE ENTIRE COASTLINE OF THE DOMINICAN REPUBLIC
A HURRICANE WATCH IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* CENTRAL BAHAMAS
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS
* HAITI
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...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 100 AM AST...0500 UTC...THE CENTER OF TROPICAL STORM IRENE WAS
LOCATED BY DOPPLER RADAR TO BE NEAR LATITUDE 18.0 NORTH...LONGITUDE
65.7 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...
24 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT
COUPLE OF DAYS WITH A GRADUAL DECREASE IN FORWARD SPEED. ON THE
FORECAST TRACK THE CENTER OF IRENE WILL MOVE NEAR OR OVER PUERTO
RICO THIS MORNING AND NEAR OR OVER THE DOMINICAN REPUBLIC THIS
AFTERNOON AND TONIGHT.
DATA FROM THE SAN JUAN FAA DOPPLER WEATHER RADAR INDICATE THAT
MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS STILL POSSIBLE THIS MORNING...AND
IRENE COULD BECOME A HURRICANE BEFORE MOVING OVER PUERTO RICO IN
THE NEXT COUPLE OF HOURS. SOME WEAKENING IS EXPECTED THIS AFTERNOON
AND TONIGHT AS THE CENTER MOVES NEAR OR OVER THE DOMINICAN
REPUBLIC. SOME RESTRENGTHENING IS EXPECTED LATE TUESDAY AFTER THE
CENTER MOVES BACK OVER WATER.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM
FROM THE CENTER. A WIND GUST TO 52 MPH...83 KM/H...WAS RECENTLY
REPORTED ON ST. THOMAS AND CULEBRA.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.20 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE OCCURRING OR IMMINENT IN THE
VIRGIN ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND
WILL CONTINUE TO SPREAD ACROSS PUERTO RICO THIS MORNING. TROPICAL
STORM CONDITIONS WILL REACH THE DOMINICAN REPUBLIC BY THIS
AFTERNOON. HURRICANE CONDITIONS ARE EXPECTED OVER PUERTO RICO...
VIEQUES...AND CULEBRA THIS MORNING...AND OVER THE DOMINICAN
REPUBLIC MONDAY AFTERNOON AND EVENING. THE HIGHEST WINDS ARE LIKELY
TO OCCUR OVER AREAS OF ELEVATED TERRAIN. TROPICAL STORM CONDITIONS
ARE EXPECTED TO REACH THE SOUTHEASTERN BAHAMAS AND THE TURKS AND
CAICOS ISLANDS TUESDAY...AND ARE POSSIBLE IN THE CENTRAL BAHAMAS BY
LATE TUESDAY. HURRICANE CONDITIONS ARE POSSIBLE IN THE CENTRAL
BAHAMAS BY TUESDAY NIGHT.
RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 5 TO 10 INCHES ACROSS PUERTO RICO...THE VIRGIN ISLANDS...THE
DOMINICAN REPUBLIC...HAITI...THE SOUTHEASTERN BAHAMAS AND THE TURKS
AND CAICOS ISLANDS. ISOLATED MAXIMUM AMOUNTS OF UP TO 20 INCHES
ARE 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...300 AM AST.
NEXT COMPLETE ADVISORY...500 AM AST.
TROPICAL STORM IRENE INTERMEDIATE ADVISORY NUMBER 6A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
100 AM AST MON AUG 22 2011
...IRENE BEARING DOWN ON EASTERN PUERTO RICO...
SUMMARY OF 100 AM AST...0500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.0N 65.7W
ABOUT 35 MI...55 KM SE OF SAN JUAN PUERTO RICO
ABOUT 65 MI...105 KM WNW OF ST. CROIX
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.20 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...AND CULEBRA
* THE ENTIRE COASTLINE OF THE DOMINICAN REPUBLIC
A HURRICANE WATCH IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* CENTRAL BAHAMAS
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS
* HAITI
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...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 100 AM AST...0500 UTC...THE CENTER OF TROPICAL STORM IRENE WAS
LOCATED BY DOPPLER RADAR TO BE NEAR LATITUDE 18.0 NORTH...LONGITUDE
65.7 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...
24 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT
COUPLE OF DAYS WITH A GRADUAL DECREASE IN FORWARD SPEED. ON THE
FORECAST TRACK THE CENTER OF IRENE WILL MOVE NEAR OR OVER PUERTO
RICO THIS MORNING AND NEAR OR OVER THE DOMINICAN REPUBLIC THIS
AFTERNOON AND TONIGHT.
DATA FROM THE SAN JUAN FAA DOPPLER WEATHER RADAR INDICATE THAT
MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS STILL POSSIBLE THIS MORNING...AND
IRENE COULD BECOME A HURRICANE BEFORE MOVING OVER PUERTO RICO IN
THE NEXT COUPLE OF HOURS. SOME WEAKENING IS EXPECTED THIS AFTERNOON
AND TONIGHT AS THE CENTER MOVES NEAR OR OVER THE DOMINICAN
REPUBLIC. SOME RESTRENGTHENING IS EXPECTED LATE TUESDAY AFTER THE
CENTER MOVES BACK OVER WATER.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM
FROM THE CENTER. A WIND GUST TO 52 MPH...83 KM/H...WAS RECENTLY
REPORTED ON ST. THOMAS AND CULEBRA.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.20 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE OCCURRING OR IMMINENT IN THE
VIRGIN ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND
WILL CONTINUE TO SPREAD ACROSS PUERTO RICO THIS MORNING. TROPICAL
STORM CONDITIONS WILL REACH THE DOMINICAN REPUBLIC BY THIS
AFTERNOON. HURRICANE CONDITIONS ARE EXPECTED OVER PUERTO RICO...
VIEQUES...AND CULEBRA THIS MORNING...AND OVER THE DOMINICAN
REPUBLIC MONDAY AFTERNOON AND EVENING. THE HIGHEST WINDS ARE LIKELY
TO OCCUR OVER AREAS OF ELEVATED TERRAIN. TROPICAL STORM CONDITIONS
ARE EXPECTED TO REACH THE SOUTHEASTERN BAHAMAS AND THE TURKS AND
CAICOS ISLANDS TUESDAY...AND ARE POSSIBLE IN THE CENTRAL BAHAMAS BY
LATE TUESDAY. HURRICANE CONDITIONS ARE POSSIBLE IN THE CENTRAL
BAHAMAS BY TUESDAY NIGHT.
RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 5 TO 10 INCHES ACROSS PUERTO RICO...THE VIRGIN ISLANDS...THE
DOMINICAN REPUBLIC...HAITI...THE SOUTHEASTERN BAHAMAS AND THE TURKS
AND CAICOS ISLANDS. ISOLATED MAXIMUM AMOUNTS OF UP TO 20 INCHES
ARE 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...300 AM AST.
NEXT COMPLETE ADVISORY...500 AM AST.