Major (Category 3) Hurricane Earl Effecting the Virgin Islands & Puerto Rico Update 1

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HURRICANE EARL INTERMEDIATE ADVISORY NUMBER  21B
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL072010
300 PM AST MON AUG 30 2010
 
...EYE OF EARL PASSING JUST NORTH OF THE BRITISH VIRGIN ISLANDS...
 
 
SUMMARY OF 300 PM AST...1900 UTC...INFORMATION
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LOCATION...19.1N 64.4W
ABOUT 60 MI...100 KM NE OF ST. THOMAS
ABOUT 120 MI...195 KM ENE OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...955 MB...28.20 INCHES
 
 
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY...
 
THE GOVERNMENT OF ANTIGUA AND BARBUDA HAS REPLACED THE HURRICANE
WARNING WITH A TROPICAL STORM WARNING FOR ANGUILLA. 
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* SAINT MARTIN AND SAINT BARTHELEMY
* ST. MAARTEN...SABA...AND ST. EUSTATIUS
* BRITISH VIRGIN ISLANDS
* U.S. VIRGIN ISLANDS
* PUERTO RICAN ISLANDS OF CULEBRA AND VIEQUES
 
A HURRICANE WATCH IS IN EFFECT FOR...
* PUERTO RICO
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ANGUILLA
* PUERTO RICO
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TURKS AND CAICOS ISLANDS
 
FOR STORM INFORMATION SPECIFIC TO PUERTO RICO AND THE U.S. VIRGIN
ISLANDS...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY THE SAN JUAN 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 300 PM AST...1900 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 19.1 NORTH...LONGITUDE 64.4 WEST.  EARL IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR.  THIS GENERAL
MOTION IS EXPECTED TODAY AND TONIGHT...FOLLOWED BY A TURN
TOWARD THE NORTHWEST ON TUESDAY.  ON THE FORECAST TRACK...THE CENTER
OF EARL WILL PASS NEAR OR JUST NORTH OF THE NORTHERNMOST VIRGIN
ISLANDS THIS AFTERNOON.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 125 MPH...205 KM/HR...WITH HIGHER
GUSTS.  EARL IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  STRENGTHENING IS FORECAST DURING THE NEXT 48
HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185
MILES...295 KM.  
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 955 MB...28.20 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS WILL GRADUALLY SUBSIDE OVER THE 
NORTHERN VIRGIN ISLANDS DURING THE NEXT FEW HOURS. TROPICAL STORM
CONDITIONS ARE EXPECTED TO SPREAD OVER PORTIONS OF PUERTO RICO THIS
AFTERNOON...WITH HURRICANE CONDITIONS POSSIBLE THIS EVENING AND
TONIGHT.  STRONGER WINDS...ESPECIALLY IN GUSTS...ARE LIKELY OVER
ELEVATED TERRAIN IN PUERTO RICO.
 
STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3 TO
5 FEET ABOVE GROUND LEVEL PRIMARILY NEAR THE COAST IN AREAS OF
ONSHORE WIND WITHIN THE HURRICANE WARNING AREA...AND 1 TO 3 FEET IN
THE TROPICAL STORM WARNING AREA.  THE SURGE WILL BE ACCOMPANIED BY
LARGE AND DANGEROUS BATTERING WAVES.
 
RAINFALL...EARL IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 4 TO 8 INCHES OVER THE LEEWARD ISLANDS...THE VIRGIN ISLANDS AND
PUERTO RICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 12 INCHES...
ESPECIALLY OVER HIGHER ELEVATIONS. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.
 
 
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...500 PM AST.
 
$$
FORECASTER BROWN/BERG
 
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