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| #214045 (Received by flhurricane at: 2:01 AM 06.Sep.2008) TCPAT3 BULLETIN TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 37A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 200 AM EDT SAT SEP 06 2008 ...CENTER OF TROPICAL STORM HANNA ABOUT TO MAKE LANDFALL... A TROPICAL STORM WARNING REMAINS 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 HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF SOUTH SANTEE RIVER SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA... INCLUDING PAMLICO SOUND. 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 200 AM EDT...0600Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED JUST OFFSHORE NEAR LATITUDE 33.3 NORTH...LONGITUDE 78.8 WEST OR ABOUT 30 MILES...45 KM...SOUTH OF MYRTLE BEACH SOUTH CAROLINA AND ABOUT 60 MILES...95 KM...SOUTHWEST OF WILMINGTON NORTH CAROLINA. HANNA IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 21 MPH...34 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 TODAY AND TOMORROW. ON THE FORECAST TRACK...THE CENTER OF HANNA WILL MAKE LANDFALL NEAR THE BORDER BETWEEN SOUTH CAROLINA AND NORTH CAROLINA WITHIN THE NEXT COUPLE OF HOURS...THEN MOVE ACROSS EASTERN NORTH CAROLINA LATER 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 ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. ALTHOUGH NO SIGNIFICANT CHANGE IN STRENGTH IS FORECAST BEFORE LANDFALL OF THE CENTER IN SOUTH OR NORTH CAROLINA...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 TO THE NORTH AND EAST OF THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RECONNAISSANCE AIRCRAFT WAS 983 MB...29.03 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 THIS MORNING. REPEATING THE 200 AM EDT POSITION...33.3 N...78.8 W. MOVEMENT TOWARD...NORTH-NORTHEAST NEAR 21 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...983 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 AM EDT. $$ FORECASTER KNABB |
