Atlantic Hurricane EARL Advisory Number 31

Atlantic Hurricane EARL Advisory Number 31
Wed, 01 Sep 2010 21:58:23 -0500

000
WTNT32 KNHC 020258
TCPAT2
BULLETIN
HURRICANE EARL ADVISORY NUMBER 31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010
1100 PM EDT WED SEP 01 2010

...EARL A LITTLE STRONGER...THREATENING THE U.S. MID-ATLANTIC
COAST...


SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...27.8N 73.8W
ABOUT 520 MI...840 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 18 MPH...30 KM/HR
MINIMUM CENTRAL PRESSURE...932 MB...27.52 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

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.

A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF THE NORTH CAROLINA/VIRGINIA BORDER TO CAPE HENLOPEN
DELAWARE.
* WOODS HOLE TO SAGAMORE BEACH MASSACHUSETTS...INCLUDING MARTHAS
VINEYARD AND NANTUCKET.

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.

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SANDY HOOK NEW JERSEY TO WOODS HOLE MASSACHUSETTS...INCLUDING
BLOCK ISLAND AND LONG ISLAND SOUND.
* NORTH OF SAGAMORE BEACH TO THE MOUTH OF THE MERRIMACK RIVER
MASSACHUSETTS.

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS IN NORTHERN NEW ENGLAND AND SOUTHEASTERN CANADA SHOULD
MONITOR THE PROGRESS OF EARL.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY
YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM EDT...0300 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 27.8 NORTH...LONGITUDE 73.8 WEST. EARL IS MOVING
TOWARD THE NORTH-NORTHWEST NEAR 18 MPH...30 KM/HR. THIS MOTION IS
EXPECTED TO CONTINUE TONIGHT WITH A TURN TO THE NORTH ON THURSDAY.
ON THE FORECAST TRACK...THE CORE OF THE HURRICANE WILL APPROACH THE
NORTH CAROLINA COAST BY LATE THURSDAY...AND MOVE NEAR OR OVER THE
OUTER BANKS OF NORTH CAROLINA THURSDAY NIGHT. THE CENTER IS
EXPECTED TO PASS NEAR OR OFFSHORE OF THE DELMARVA PENINSULA ON
FRIDAY.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 140 MPH...220
KM/HR...WITH HIGHER GUSTS. EARL IS A CATEGORY FOUR HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
INTENSITY ARE LIKELY TONIGHT AND THURSDAY...BUT A GRADUAL WEAKENING
TREND IS ANTICIPATED THEREAFTER.

EARL IS A LARGE HURRICANE. 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 ESTIMATED FROM NOAA HURRICANE HUNTER
AIRCRAFT OBSERVATIONS IS 932 MB...27.52 INCHES.


HAZARDS AFFECTING LAND
----------------------
WINDS...TROPICAL STORM FORCE WINDS ARE EXPECTED TO REACH THE NORTH
CAROLINA COAST WITHIN THE WARNING AREA BY THURSDAY AFTERNOON WITH
HURRICANE FORCE WINDS OCCURRING BY LATE THURSDAY. TROPICAL STORM
FORCE WINDS WILL LIKELY REACH THE COAST FROM VIRGINIA NORTHWARD TO
NEW JERSEY BY LATE THURSDAY NIGHT 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 THE HURRICANE WARNING
AREA 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
-------------
NEXT INTERMEDIATE ADVISORY...200 AM EDT.
NEXT COMPLETE ADVISORY...500 AM EDT.

$$
FORECASTER PASCH

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