Tropical Storm HANNA

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BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER  31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
1100 AM AST THU SEP 04 2008
 
...HANNA CONTINUES NORTHWESTWARD AND WEAKENS SLIGHTLY...

AT 11 AM EDT...1500 UTC...THE HURRICANE WATCH IS EXTENDED NORTHWARD
TO OKRACOKE INLET NORTH CAROLINA.  A HURRICANE WATCH IS NOW IN
EFFECT FROM NORTH OF EDISTO BEACH SOUTH CAROLINA TO OKRACOKE INLET.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM EDISTO BEACH SOUTHWARD
TO ALTAMAHA SOUND GEORGIA.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL AND
NORTHWESTERN BAHAMAS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 1100 AM AST...1500Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 24.5 NORTH...LONGITUDE 73.5 WEST OR ABOUT 245
MILES...400 KM...EAST OF NASSAU AND ABOUT 720 MILES...1160 KM...
SOUTH-SOUTHEAST OF WILMINGTON NORTH CAROLINA.
 
HANNA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT DAY OR SO WITH
A GRADUAL INCREASE IN FORWARD SPEED. A TURN TO THE NORTH IS
EXPECTED BY LATE FRIDAY. ON THE FORECAST TRACK...THE CENTER OF
HANNA WILL PASS JUST EAST OF THE CENTRAL AND NORTHWESTERN BAHAMAS
TODAY...AND WILL BE NEAR THE SOUTHEAST COAST OF THE UNITED STATES
BY LATE FRIDAY. HOWEVER...RAINS AND WINDS ASSOCIATED WITH HANNA
WILL REACH THE COAST WELL IN ADVANCE OF THE CENTER.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TODAY...HOWEVER...
HANNA COULD BECOME A HURRICANE ON FRIDAY PRIOR TO REACHING THE
COASTLINE.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 315 MILES...510
KM...MAINLY TO THE NORTH OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES.
 
COASTAL STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE
LEVELS CAN BE EXPECTED IN AREAS OF ONSHORE WINDS WITHIN THE TROPICAL
STORM WARNING AREA.
 
SWELLS FROM HANNA ARE EXPECTED TO INCREASE THE RISK OF DANGEROUS RIP
CURRENTS ALONG PORTIONS OF THE SOUTHEASTERN UNITED STATES COAST
DURING THE NEXT COUPLE OF DAYS.

HANNA COULD PRODUCE RAINFALL TOTALS OF 2 TO 4 INCHES OVER THE
NORTHERN BAHAMAS.
 
REPEATING THE 1100 AM AST POSITION...24.5 N...73.5 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 12 MPH.  MAXIMUM SUSTAINED WINDS...65 MPH.
MINIMUM CENTRAL PRESSURE...989 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
PM AST.
 
$$
FORECASTER FRANKLIN
 
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