Post by NHC Olney Maryland on Aug 30, 2010 11:14:57 GMT -5
BULLETIN
HURRICANE EARL ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL072010
1100 AM AST MON AUG 30 2010
...EARL BECOMES A MAJOR HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.7N 63.6W
ABOUT 95 MI...150 KM ENE OF ST. THOMAS
ABOUT 165 MI...265 KM E OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
A HURRICANE WARNING HAS BEEN ISSUED FOR THE PUERTO RICAN ISLANDS OF
CULEBRA AND VIEQUES.
THE GOVERNMENT OF ANTIGUA AND BARBUDA HAS CHANGED THE HURRICANE
WARNING FOR ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...AND NEVIS
TO A TROPICAL STORM WARNING.
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR
THE TURKS AND CAICOS ISLANDS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* ANGUILLA
* 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...
* ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...AND NEVIS
* PUERTO RICO
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TURKS AND CAICOS ISLANDS
HURRICANE CONDITIONS ARE EXPECTED WITHIN THE HURRICANE WARNING
AREA...IN THIS CASE WITHIN THE NEXT 12 HOURS. PREPARATIONS
TO PROTECT LIFE AND PROPERTY SHOULD HAVE ALREADY BEEN COMPLETED.
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS
CASE WITHIN THE NEXT 12 HOURS OR SO.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
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 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 18.7 NORTH...LONGITUDE 63.6 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 OVER THE NORTHERNMOST VIRGIN ISLANDS THIS
AFTERNOON AND THIS EVENING.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 120 MPH...195
KM/HR...WITH HIGHER GUSTS. EARL IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL 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. ST. MAARTEN REPORTED A WIND GUST TO 68 MPH...109
KM/HR WITHIN THE PAST FEW HOURS.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS WILL BE SPREADING ACROSS THE NORTHERN
VIRGIN ISLANDS DURING THE NEXT FEW HOURS. TROPICAL STORM CONDITIONS
WILL 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
-------------
NEXT INTERMEDIATE ADVISORIES...100 PM AST AND 300 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
HURRICANE EARL ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL072010
1100 AM AST MON AUG 30 2010
...EARL BECOMES A MAJOR HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.7N 63.6W
ABOUT 95 MI...150 KM ENE OF ST. THOMAS
ABOUT 165 MI...265 KM E OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
A HURRICANE WARNING HAS BEEN ISSUED FOR THE PUERTO RICAN ISLANDS OF
CULEBRA AND VIEQUES.
THE GOVERNMENT OF ANTIGUA AND BARBUDA HAS CHANGED THE HURRICANE
WARNING FOR ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...AND NEVIS
TO A TROPICAL STORM WARNING.
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR
THE TURKS AND CAICOS ISLANDS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* ANGUILLA
* 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...
* ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...AND NEVIS
* PUERTO RICO
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TURKS AND CAICOS ISLANDS
HURRICANE CONDITIONS ARE EXPECTED WITHIN THE HURRICANE WARNING
AREA...IN THIS CASE WITHIN THE NEXT 12 HOURS. PREPARATIONS
TO PROTECT LIFE AND PROPERTY SHOULD HAVE ALREADY BEEN COMPLETED.
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS
CASE WITHIN THE NEXT 12 HOURS OR SO.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
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 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 18.7 NORTH...LONGITUDE 63.6 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 OVER THE NORTHERNMOST VIRGIN ISLANDS THIS
AFTERNOON AND THIS EVENING.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 120 MPH...195
KM/HR...WITH HIGHER GUSTS. EARL IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL 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. ST. MAARTEN REPORTED A WIND GUST TO 68 MPH...109
KM/HR WITHIN THE PAST FEW HOURS.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS WILL BE SPREADING ACROSS THE NORTHERN
VIRGIN ISLANDS DURING THE NEXT FEW HOURS. TROPICAL STORM CONDITIONS
WILL 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
-------------
NEXT INTERMEDIATE ADVISORIES...100 PM AST AND 300 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.