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Tropical Storm HANNA


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER  40
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
500 PM EDT SAT SEP 06 2008
 
AT 5 PM EDT...2100 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
SOUTH OF THE NORTH CAROLINA/VIRGINIA BORDER.  A TROPICAL STORM
WARNING IS NOW IN EFFECT FROM NORTH OF THE NORTH CAROLINA/VIRGINIA
BORDER 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 PM EDT...2100Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 38.5 NORTH...LONGITUDE 75.8 WEST OR JUST EAST
OF CAMBRIDGE MARYLAND.  THIS POSITION IS ALSO ABOUT 40 MILES...
65 KM...WEST-NORTHWEST OF OCEAN CITY MARYLAND AND ABOUT 100 MILES...
155 KM...SOUTHWEST OF ATLANTIC CITY NEW JERSEY.
 
HANNA IS MOVING TOWARD THE NORTHEAST NEAR 28 MPH...44 KM/HR.  THIS
GENERAL MOTION IS EXPECTED TO CONTINUE WITH AN INCREASE IN FORWARD
SPEED DURING THE NEXT COUPLE OF DAYS.  ON THE FORECAST TRACK...THE
CENTER OF HANNA WILL CROSS THE EASTERN MID-ATLANTIC STATES THIS
EVENING...AND MOVE NEAR OR OVER SOUTHERN NEW ENGLAND SUNDAY
MORNING.  THE CENTER IS FORECAST TO PASS NEAR OR OVER THE CANADIAN
MARITIMES SUNDAY AFTERNOON.

MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT COUPLE
OF DAYS.  HOWEVER...HANNA IS FORECAST TO LOSE TROPICAL
CHARACTERISTICS ON SUNDAY. 
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER.  WALLOPS ISLAND VIRGINIA RECENTLY REPORTED A WIND
GUST OF 54 MPH...87 KM/HR.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES.
 
STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
LOCALLY HIGHER LEVELS IN BAYS AND ACCOMPANIED BY LARGE AND DANGEROUS
BATTERING WAVES...IS EXPECTED IN THE WARNING AREA.  COASTAL STORM
SURGE FLOODING ALONG THE ATLANTIC COASTS OF SOUTH CAROLINA AND
NORTH CAROLINA...INCLUDING THE PAMLICO AND ABLEMARLE SOUNDS...
SHOULD GRADUALLY SUBSIDE TODAY.
 
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES
FROM THE NORTHERN MID-ATLANTIC STATES NORTHEASTWARD THROUGH NEW
ENGLAND...WITH ISOLATED MAXIMUM AMOUNTS OF 8 INCHES POSSIBLE.
THESE RAINFALL AMOUNTS COULD PRODUCE FLASH FLOODING ACROSS THESE
REGIONS.
 
ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE COASTAL AREAS OF
SOUTHERN NEW ENGLAND.

REPEATING THE 500 PM EDT POSITION...38.5 N...75.8 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 28 MPH.  MAXIMUM SUSTAINED WINDS...50 MPH.
MINIMUM CENTRAL PRESSURE...994 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM EDT.
 
$$
FORECASTER BEVEN
 
NNNN


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