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| #31760 (Received by flhurricane at: 6:58 AM 10.Jul.2005) TCPAT4 BULLETIN HURRICANE DENNIS INTERMEDIATE ADVISORY NUMBER 24A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 6 AM CDT SUN JUL 10 2005 ...EXTREMELY DANGEROUS HURRICANE DENNIS BEARING DOWN ON THE NORTHERN GULF OF MEXICO COAST... A HURRICANE WARNING REMAINS IN EFFECT FOR PORTIONS OF THE NORTHEASTERN GULF COAST FROM THE STEINHATCHEE RIVER WESTWARD TO THE MOUTH OF THE PEARL RIVER. A TROPICAL STORM WARNING IS IN EFFECT WEST OF THE MOUTH OF THE PEARL RIVER TO EAST OF MORGAN CITY LOUISIANA...INCLUDING METROPOLITAN NEW ORLEANS AND LAKE PONCHARTRAIN. A TROPICAL STORM WARNING IS IN EFFECT ALONG THE FLORIDA WEST COAST FROM EAST OF THE STEINHATCHEE RIVER SOUTHWARD TO BONITA BEACH. A HURRICANE OR TROPICAL STORM WARNING MEANS THAT HURRICANE OR TROPICAL STORM CONDITIONS...RESPECTIVELY...ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE HURRICANE WARNING AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 6 AM CDT...1100Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 28.2 NORTH... LONGITUDE 86.2 WEST OR ABOUT 165 MILES SOUTH-SOUTHEAST OF PENSACOLA FLORIDA AND ABOUT 205 MILES SOUTHEAST OF PASCAGOULA MISSISSIPPI. DENNIS IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 15 MPH...AND THIS MOTION IS EXPECTED TO CONTINUE TODAY. ON THIS TRACK THE CENTER OF THE HURRICANE WILL CROSS THE NORTHERN GULF OF MEXICO COAST LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. DENNIS IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE LIKELY PRIOR TO LANDFALL. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES FROM THE CENTER. HURRICANE FORCE WINDS ASSOCIATED WITH DENNIS MAY OCCUR AS FAR AS 150 TO 175 MILES INLAND ALONG THE TRACK OF THE HURRICANE. AN AIR FORCE HURRICANE HUNTER PLANE REPORTED A MINIMUM CENTRAL PRESSURE OF 931 MB...27.49 INCHES. BECAUSE THE MAXIMUM WINDS ARE LOCATED A VERY SHORT DISTANCE FROM THE CENTER...THE EXPECTED STORM SURGE VALUES HAVE BEEN REVISED. STORM SURGE FLOODING OF 10 TO 15 FEET ABOVE NORMAL TIDE LEVELS... ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...IS POSSIBLE NEAR AND JUST TO THE EAST OF WHERE THE CENTER OF DENNIS CROSSES THE NORTHERN GULF COAST LATER TODAY. A STORM SURGE OF 4 TO 6 FEET IS LIKELY ELSWHERE IN THE HURRICANE WARNING AREA TO THE EAST OF THE CENTER. DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES FROM THE CENTRAL FLORIDA PANHANDLE INTO SOUTHERN ALABAMA AND EASTERN MISSISSIPPI. ISOLATED MAXIMUM RAINFALL AMOUNTS TO NEAR 15 INCHES ARE POSSIBLE NEAR WHERE DENNIS MAKES LANDFALL ON THE GULF COAST. ISOLATED TORNADOES WILL BE POSSIBLE TODAY OVER THE FLORIDA PANHANDLE...SOUTHWESTERN GEORGIA AND SOUTHERN ALABAMA. REPEATING THE 6 AM CDT POSITION...28.2 N... 86.2 W. MOVEMENT TOWARD...NORTH-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE... 931 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 8 AM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 10 AM CDT. FORECASTER PASCH |
