000
WTNT33 KNHC 062032
TCPAT3
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.
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FORECASTER BEVEN
