000 WTNT33 KNHC 052356 TCPAT3 BULLETIN TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 36A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 800 PM EDT FRI SEP 05 2008 ...HANNA RACING NORTHWARD...HEAVY SQUALLS APPROACHING THE COAST OF THE CAROLINAS... A TROPICAL STORM WARNING IS NOW IN EFFECT FROM ALTAMAHA SOUND GEORGIA NORTHWARD ALONG THE ATLANTIC COAST TO SANDY HOOK NEW JERSEY...INCLUDING PAMLICO AND ALBEMARLE SOUNDS...INCLUDING ALL OF CHESAPEAKE BAY....THE TIDAL POTOMAC...WASHINGTON D.C...AND THE DELAWARE BAY. THE HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF EDISTO BEACH SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA...INCLUDING PAMLICO SOUND. HURRICANE WARNINGS MAY BE REQUIRED FOR PORTIONS OF THIS AREA TONIGHT. A TROPICAL STORM WATCH IS IN EFFECT FROM NORTH OF SANDY HOOK NEW JERSEY TO MERRIMACK RIVER MASSACHUSETTS...INCLUDING LONG ISLAND... 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 800 PM EDT...0000Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 31.6 NORTH...LONGITUDE 79.3 WEST OR ABOUT 100 MILES...165 KM...SOUTH-SOUTHEAST OF CHARLESTON SOUTH CAROLINA AND ABOUT 200 MILES...320 KM...SOUTH-SOUTHWEST OF WILMINGTON NORTH CAROLINA. HANNA IS MOVING TOWARD THE NORTH NEAR 20 MPH...32 KM/HR. THIS GENERAL MOTION IS EXPECTED CONTINUE TONIGHT...WITH A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ON SATURDAY. ON THE FORECAST TRACK...THE CENTER OF HANNA SHOULD CROSS THE SOUTHEASTERN COAST OF THE UNITED STATES TONIGHT OR EARLY SATURDAY...THEN MOVE ALONG THE MID-ATLANTIC COAST LATER SATURDAY AND SATURDAY NIGHT. MAXIMUM SUSTAINED WINDS REMAIN 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. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER WAS 981 MB...28.97 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 NORTH CAROLINA THROUGH THE MID-ATLANTIC STATES...WHERE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES ARE POSSIBLE. THE POTENTIAL FOR FLASH FLOODING WILL BE SIGNIFICANT FOR THE MID-ATLANTIC REGION AND SOUTHERN NEW ENGLAND. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE ALONG THE FLORIDA EAST COAST AND COASTAL GEORGIA. ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE COASTAL AREAS OF SOUTH AND NORTH CAROLINA. REPEATING THE 800 PM EDT POSITION...31.6 N...79.3 W. MOVEMENT TOWARD...NORTH NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...981 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM EDT. $$ FORECASTER AVILA