ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE ISABEL INTERMEDIATE ADVISORY NUMBER 51A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 7 PM EDT THU SEP 18 2003 ...ISABEL WEAKENS AS IT MOVES FARTHER INLAND... A HURRICANE WARNING REMAINS IN EFFECT NORTH OF SURF CITY NORTH CAROLINA TO CHINCOTEAGUE VIRGINIA...INCLUDING PAMLICO AND ALBEMARLE SOUNDS...AND THE CHESAPEAKE BAY SOUTH OF SMITH POINT. THE HURRICANE WARNING WILL LIKELY BE REPLACED BY A TROPICAL STORM WARNING LATER THIS EVENING. A TROPICAL STORM WARNING REMAINS IN EFFECT FROM SURF CITY TO CAPE FEAR NORTH CAROLINA...AND NORTH OF CHINCOTEAGUE TO MORICHES INLET NEW YORK...INCLUDING DELAWARE BAY. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CHESAPEAKE BAY FROM SMITH POINT NORTHWARD...AND FOR THE TIDAL POTOMAC. AT 7 PM EDT...2300Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED INLAND NEAR LATITUDE 36.5 NORTH... LONGITUDE 77.5 WEST...VERY NEAR ROANOKE RAPIDS NORTH CAROLINA. ISABEL IS MOVING TOWARD THE NORTHWEST NEAR 20 MPH. A TURN TO THE NORTH-NORTHWEST IS EXPECTED DURING THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF ISABEL IS EXPECTED TO MOVE ACROSS EASTERN VIRGINIA TOWARD WESTERN PENNSYLVANIA OVER THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 80 MPH...WITH HIGHER GUSTS. ALTHOUGH ISABEL WILL CONTINUE TO WEAKEN AS IT MOVES OVER LAND...UNUSUALLY STRONG WINDS...WITH GUSTS TO HURRICANE FORCE...MAY BE EXPERIENCED WELL INLAND TO THE ELEVATED TERRAIN OF NORTHERN VIRGINIA AND MARYLAND...AS WELL AS ON HIGH-RISE BUILDINGS AND OTHER STRUCTURES. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 75 MILES FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 345 MILES. ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES. STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS... ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...MAY STILL OCCUR ALONG THE ATLANTIC COAST WITHIN THE HURRICANE WARNING AREA. STORM SURGE FLOODING OF 4 TO 7 FT ABOVE NORMAL TIDE LEVELS IS EXPECTED IN CHESAPEAKE BAY AND THE TIDAL PORTIONS OF ADJACENT RIVERS. STORM SURGE FLOODING ALONG THE OUTER BANKS WILL CONTINUE TO GRADUALLY SUBSIDE TONIGHT. STORM TOTAL RAINFALLS OF 6 TO 10 INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE LIKELY IN ASSOCIATION WITH ISABEL. THERE IS A THREAT OF ISOLATED TORNADOES OVER EASTERN NORTH CAROLINA...EASTERN VIRGINIA...AND SOUTHEASTERN MARYLAND THROUGH TONIGHT. REPEATING THE 7 PM EDT POSITION...36.6 N... 77.5 W. MOVEMENT TOWARD...NORTHWEST NEAR 20 MPH. MAXIMUM SUSTAINED WINDS... 80 MPH. MINIMUM CENTRAL PRESSURE... 965 MB. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE...AND STATEMENTS FROM LOCAL EMERGENCY MANAGEMENT OFFICIALS. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 9 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 PM EDT. FORECASTER PASCH/AVILA NNNN
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Page last modified: Monday, 07-Feb-2005 16:50:06 UTC