000
WTNT33 KNHC 060255
TCPAT3
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER 37
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008
1100 PM EDT FRI SEP 05 2008
...HANNA HEADING TOWARD THE COAST OF SOUTH AND NORTH CAROLINA IN A HURRY...
AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WARNING IS EXTENDED NORTHWARD TO WATCH HILL RHODE ISLAND...INCLUDING NEW YORK HARBOR AND LONG ISLAND SOUND.
AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WARNING SOUTH OF EDISTO BEACH AND THE HURRICANE WATCH FROM THE SOUTH SANTEE RIVER SOUTHWARD HAVE BEEN DISCONTINUED.
A TROPICAL STORM WARNING IS NOW IN EFFECT FROM EDISTO BEACH SOUTH CAROLINA NORTHWARD ALONG THE ATLANTIC COAST TO WATCH HILL RHODE ISLAND...INCLUDING PAMLICO AND ALBEMARLE SOUNDS...ALL OF CHESAPEAKE BAY...THE TIDAL POTOMAC...WASHINGTON D.C...DELAWARE BAY...NEW YORK HARBOR AND LONG ISLAND SOUND. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.
THE HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF SOUTH SANTEE RIVER SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA... INCLUDING PAMLICO SOUND. HURRICANE WARNINGS MAY BE REQUIRED FOR PORTIONS OF THIS AREA EARLY SATURDAY.
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM EAST OF WATCH HILL RHODE ISLAND TO MERRIMACK RIVER MASSACHUSETTS INCLUDING BLOCK ISLAND...MARTHA'S VINEYARD AND NANTUCKET.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
AT 1100 PM EDT...0300Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 32.4 NORTH...LONGITUDE 79.1 WEST OR ABOUT 60 MILES... 95 KM...EAST-SOUTHEAST OF CHARLESTON SOUTH CAROLINA AND ABOUT 140 MILES...230 KM...SOUTH-SOUTHWEST OF WILMINGTON NORTH CAROLINA.
HANNA IS MOVING TOWARD THE NORTH NEAR 20 MPH...32 KM/HR. THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT SEVERAL HOURS WITH A GRADUAL TURN TO THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ON SATURDAY. ON THE FORECAST TRACK...THE CENTER OF HANNA SHOULD BE MOVING ACROSS EASTERN NORTH CAROLINA EARLY SATURDAY AND THEN MOVE ALONG THE MID-ATLANTIC COAST LATER SATURDAY AND SATURDAY NIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. ALTHOUGH NO SIGNIFICANT CHANGE IN STRENGTH IS FORECAST BEFORE LANDFALL...IT WOULD ONLY TAKE A SMALL INCREASE IN WIND SPEED FOR HANNA TO BECOME A HURRICANE. WEAKENING IS EXPECTED AFTER LANDFALL AND HANNA SHOULD BECOME AN EXTRATROPICAL STORM BY EARLY SUNDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM MAINLY TI THE NORTH AND EAST OF THE CENTER.
LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RECONNAISSANCE PLANE WAS 978 MB...28.88 INCHES.
COASTAL STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED NEAR AND TO THE EAST OF THE PATH OF THE CENTER OF HANNA.
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 3 TO 7 INCHES FROM COASTAL SOUTH CAROLINA...NORTHWARD THROUGH CENTRAL AND EASTERN NORTH CAROLINA INTO THE MID-ATLANTIC STATES...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE. THE POTENTIAL FOR FLASH FLOODING WILL BE SIGNIFICANT FOR THE MID-ATLANTIC REGION AND SOUTHERN NEW ENGLAND.
ISOLATED TORNADOES ARE POSSIBLE OVER THE COASTAL PLAINS OF SOUTH AND NORTH CAROLINA AND SOUTHEAST VIRGINIA THROUGH SATURDAY MORNING.
REPEATING THE 1100 PM EDT POSITION...32.4 N...79.1 W. MOVEMENT TOWARD...NORTH NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...978 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 AM EDT.
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FORECASTER AVILA
