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Tropical Storm HANNA


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER  38
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
500 AM EDT SAT SEP 06 2008

...HANNA MOVES ASHORE AS A TROPICAL STORM...
 
AT 500 AM EDT...0900 UTC...THE HURRICANE WATCH ALONG THE COASTS OF
SOUTH CAROLINA AND NORTH CAROLINA IS DISCONTINUED...AND THE
TROPICAL STORM WARNING FROM THE SOUTH SANTEE RIVER SOUTH CAROLINA
SOUTHWARD IS DISCONTINUED.
 
AT 500 AM EDT...THE TROPICAL STORM WARNING IS EXTENDED NORTHWARD TO
MERRIMACK RIVER MASSACHUSETTS.  A TROPICAL STORM WARNING IS NOW IN
EFFECT FROM NORTH OF SOUTH SANTEE RIVER SOUTH CAROLINA TO MERRIMACK
RIVER MASSACHUSETTS...INCLUDING PAMLICO AND ALBEMARLE SOUNDS...ALL
OF CHESAPEAKE BAY...THE TIDAL POTOMAC...WASHINGTON D.C...DELAWARE
BAY...NEW YORK HARBOR...LONG ISLAND SOUND...BLOCK ISLAND...MARTHA'S
VINEYARD AND NANTUCKET.  A TROPICAL STORM WARNING MEANS THAT
TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA
WITHIN THE NEXT 24 HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 AM EDT...0900Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 34.4 NORTH...LONGITUDE 78.3 WEST OR ABOUT 150
MILES...240 KM...NORTHEAST OF CHARLESTON SOUTH CAROLINA AND ABOUT 25
MILES... 45 KM...WEST-NORTHWEST OF WILMINGTON NORTH CAROLINA.
 
HANNA IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 22 MPH...35 KM/HR. 
A GRADUAL TURN TO THE NORTHEAST WITH AN INCREASE IN FORWARD
SPEED IS EXPECTED TODAY AND TOMORROW.  ON THE FORECAST TRACK...THE
CENTER OF HANNA WILL MOVE ACROSS EASTERN NORTH CAROLINA THIS
MORNING...ALONG THE MID-ATLANTIC COAST LATER TODAY AND TONIGHT....
AND ALONG THE COAST OF THE NORTHEASTERN UNITED STATES AND
SOUTHEASTERN CANADA ON SUNDAY.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 60 MPH...95
KM/HR...WITH HIGHER GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST
DURING THE NEXT COUPLE OF DAYS.  HANNA IS EXPECTED TO LOSE TROPICAL
CHARACTERISTICS BY LATE ON SUNDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER.
 
THE MINIMUM CENTRAL PRESSURE BASED ON SURFACE OBSERVATIONS AND
RECENT AIRCRAFT RECONNAISSANCE DATA IS 983 MB...29.03 INCHES.

COASTAL STORM SURGE FLOODING ALONG THE ATLANTIC COASTS OF SOUTH
CAROLINA AND NORTH CAROLINA SHOULD GRADUALLY SUBSIDE TODAY.  STORM
SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IS EXPECTED
TODAY IN ALBEMARLE AND PAMLICO SOUNDS AND IN CHESAPEAKE BAY...WHICH
WILL SUBSIDE TONIGHT AFTER HANNA QUICKLY PASSES TO THE NORTHEAST.
 
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES
FROM CENTRAL NORTH CAROLINA...NORTHEASTWARD THROUGH EASTERN PORTIONS
OF THE MID-ATLANTIC STATES...SOUTHERN NEW YORK...AND INTO SOUTHERN
NEW ENGLAND...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE. 
THESE RAINFALL AMOUNTS COULD PRODUCE FLASH FLOODING ACROSS THESE
REGIONS.

ISOLATED TORNADOES ARE POSSIBLE TODAY OVER EASTERN NORTH
CAROLINA...EASTERN VIRGINIA...AND SOUTHERN MARYLAND.
 
REPEATING THE 500 AM EDT POSITION...34.4 N...78.3 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 22 MPH.  MAXIMUM SUSTAINED WINDS...60
MPH.  MINIMUM CENTRAL PRESSURE...983 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
AM EDT.
 
$$
FORECASTER KNABB
 
NNNN


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Page last modified: Tuesday, 21-Apr-2009 12:09:17 UTC