000
WTNT32 KNHC 021745
TCPAT2
BULLETIN
HURRICANE EARL INTERMEDIATE ADVISORY NUMBER 33A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010
200 PM EDT THU SEP 02 2010
...EARL EXPECTED TO PASS NEAR THE OUTER BANKS AS A LARGE AND POWERFUL HURRICANE TONIGHT...
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
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LOCATION...31.7N 75.2W
ABOUT 245 MI...395 KM S OF CAPE HATTERAS NORTH CAROLINA
ABOUT 720 MI...1155 KM SSW OF NANTUCKET MASSACHUSETTS
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR
PRESENT MOVEMENT...N OR 355 DEGREES AT 18 MPH...30 KM/HR
MINIMUM CENTRAL PRESSURE...943 MB...27.85 INCHES
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY...
THE CANADIAN HURRICANE CENTRE HAS ISSUED A HURRICANE WATCH FOR NOVA SCOTIA FROM MEDWAY HARBOUR TO DIGBY...AND A TROPICAL STORM WATCH FOR NOVA SCOTIA FROM ECUM SECUM TO MEDWAY HARBOUR AND FROM DIGBY TO FORT LAWRENCE.
THE CANADIAN HURRICANE CENTRE HAS ALSO ISSUED A TROPICAL STORM WATCH FOR NEW BRUNSWICK FROM JUST WEST OF FORT LAWRENCE WESTWARD TO THE U.S./CANADA BORDER.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* BOGUE INLET NORTH CAROLINA NORTHEASTWARD TO THE NORTH CAROLINA/VIRGINIA BORDER INCLUDING THE PAMLICO AND ALBEMARLE SOUNDS.
* WESTPORT MASSACHUSETTS EASTWARD AROUND CAPE COD TO HULL INCLUDING MARTHAS VINEYARD AND NANTUCKET ISLAND
A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF THE NORTH CAROLINA/VIRGINIA BORDER TO CAPE HENLOPEN DELAWARE.
* NOVA SCOTIA FROM MEDWAY HARBOUR TO DIGBY
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CAPE FEAR TO WEST OF BOGUE INLET NORTH CAROLINA.
* NORTH OF THE NORTH CAROLINA/VIRGINIA BORDER TO SANDY HOOK NEW JERSEY...INCLUDING DELAWARE BAY SOUTH OF SLAUGHTER BEACH AND THE CHESAPEAKE BAY SOUTH OF NEW POINT COMFORT.
* THE EASTERN PORTION OF LONG ISLAND NEW YORK FROM FIRE ISLAND INLET TO PORT JEFFERSON HARBOR.
* NEW HAVEN CONNECTICUT TO WEST OF WESTPORT MASSACHUSETTS... INCLUDING BLOCK ISLAND.
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF HULL MASSACHUSETTS TO EASTPORT MAINE.
* THE COAST OF LONG ISLAND WEST OF FIRE ISLAND INLET AND PORT JEFFERSON HARBOR.
* NOVA SCOTIA FROM ECUM SECUM TO MEDWAY HARBOUR AND FROM DIGBY TO FORT LAWRENCE.
* NEW BRUNSWICK FROM JUST WEST OF FORT LAWRENCE WESTWARD TO THE U.S./CANADA BORDER.
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
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AT 200 PM EDT...1800 UTC...THE EYE OF HURRICANE EARL WAS LOCATED NEAR LATITUDE 31.7 NORTH...LONGITUDE 75.2 WEST. EARL IS MOVING TOWARD THE NORTH NEAR 18 MPH...30 KM/HR. A TURN TOWARD THE NORTH-NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED ON FRIDAY. ON THE FORECAST TRACK...THE CENTER OF EARL WILL PASS NEAR THE NORTH CAROLINA OUTER BANKS TONIGHT...AND APPROACH SOUTHEASTERN NEW ENGLAND FRIDAY NIGHT.
DATA FROM A RECONNAISSANCE PLANE INDICATE THAT EARL HAS BEGUN TO GRADUALLY WEAKEN AND 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. GRADUAL WEAKENING SHOULD CONTINUE TODAY AND FRIDAY...BUT EARL IS EXPECTED TO REMAIN A POWERFUL HURRICANE AS IT PASSES NEAR THE OUTER BANKS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM.
THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE PLANE WAS 943 MB...27.85 INCHES.
HAZARDS AFFECTING LAND
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WINDS...TROPICAL-STORM-FORCE WINDS ARE EXPECTED TO REACH THE NORTH CAROLINA COAST WITHIN THE WARNING AREA BY THIS AFTERNOON. EVEN IF THE CENTER OF EARL REMAINS OFFSHORE...HURRICANE FORCE WINDS ARE EXPECTED TO OCCUR IN THE OUTER BANKS BY TONIGHT. TROPICAL-STORM- FORCE WINDS WILL LIKELY REACH THE COAST FROM VIRGINIA NORTHWARD TO NEW JERSEY TONIGHT OR EARLY FRIDAY.
STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3 TO 5 FEET ABOVE GROUND LEVEL WITHIN BOTH HURRICANE WARNING AREAS AND THE LOWER CHESAPEAKE BAY. ELSEWHERE WITHIN THE TROPICAL STORM WARNING AREA...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE GROUND LEVEL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES.
RAINFALL...ACCUMULATIONS OF 2 TO 4 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES...ARE EXPECTED OVER PORTIONS OF EASTERN NORTH CAROLINA INCLUDING THE OUTER BANKS. ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE FARTHER TO THE NORTH ALONG THE IMMEDIATE MID-ATLANTIC COAST.
SURF...LARGE SWELLS FROM EARL WILL CONTINUE TO AFFECT THE BAHAMAS AND THE EAST COAST OF THE UNITED STATES THROUGH FRIDAY. THESE SWELLS WILL LIKELY CAUSE DANGEROUS SURF CONDITIONS AND RIP CURRENTS.
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...500 PM EDT.
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FORECASTER AVILA