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| #31367 (Received by flhurricane at: 10:52 AM 09.Jul.2005) TCPAT4 BULLETIN HURRICANE DENNIS ADVISORY NUMBER 20 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 11 AM EDT SAT JUL 09 2005 ...DENNIS MOVING NORTHWESTWARD OVER THE SOUTHEASTERN GULF OF MEXICO... A HURRICANE WARNING REMAINS IN EFFECT FOR THE LOWER FLORIDA KEYS FROM THE SEVEN MILE BRIDGE WESTWARD TO THE DRY TORTUGAS. A HURRICANE WARNING IS ALSO IN EFFECT FOR PORTIONS OF THE NORTHEASTERN GULF COAST FROM THE STEINHATCHEE RIVER WESTWARD TO THE MOUTH OF THE PEARL RIVER. AT 11 AM EDT...1500Z...THE HURRICANE WATCH FOR THE FLORIDA KEYS EAST OF SEVEN MILE BRIDGE HAS BEEN DISCONTINUED. HOWEVER...A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE FLORIDA KEYS EAST OF SEVEN MILE BRIDGE. A TROPICAL STORM WARNING IS NOW IN EFFECT ALONG THE FLORIDA WEST COAST FROM EAST OF THE STEINHATCHEE RIVER SOUTHWARD...AND ALONG THE SOUTHEAST FLORIDA COAST FROM GOLDEN BEACH SOUTHWARD...INCLUDING THE FLORIDA KEYS FROM SEVEN MILE BRIDGE EASTWARD. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR THE SOUTHEASTERN LOUISIANA COAST WEST OF THE MOUTH OF THE PEARL RIVER TO GRAND ISLE...INCLUDING METROPOLITAN NEW ORLEANS AND LAKE PONCHARTRAIN. AT 11 AM EDT...ALL WATCHES AND WARNINGS FOR CUBA HAVE BEEN DISCONTINUED. 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 11 AM EDT...1500Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 24.7 NORTH... LONGITUDE 83.8 WEST OR ABOUT 125 MILES...WEST OF KEY WEST FLORIDA. THIS IS ALSO ABOUT 355 MILES... SOUTH-SOUTHEAST OF APALACHICOLA FLORIDA AND ABOUT 480 MILES SOUTHEAST OF PASCAGOULA MISSISSIPPI. DENNIS IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE TODAY WITH A GRADUAL TURN TOWARD THE NORTH-NORTHWEST TONIGHT AND SATURDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/HR...WITH HIGHER GUSTS. DENNIS IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME GRADUAL STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES... 55 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES. DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES ACROSS THE CENTRAL AND SOUTHERN FLORIDA PENINSULA...THE FLORIDA KEYS...THE FLORIDA WEST COAST...THE FLORIDA PANHANDLE... SOUTHERN ALABAMA...AND SOUTHERN MISSISSIPPI. ADDITIONAL RAIN ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE ACROSS CENTRAL CUBA... WHICH COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. STORM SURGE WILL GRADUALLY DECREASE ALONG THE LOWER FLORIDA KEYS TODAY AND TONIGHT. A STORM SURGE OF 3 TO 5 FEET IS POSSIBLE ALONG THE SOUTHWEST COAST OF FLORIDA TODAY AND TONIGHT. A STORM SURGE OF 8 TO 10 FEET IS POSSIBLE ALONG AND TO THE RIGHT OF WHERE THE CENTER OF DENNIS CROSSES THE NORTHEASTERN GULF COAST ON SUNDAY. ISOLATED TORNADOES WILL BE POSSIBLE OVER CENTRAL AND SOUTHERN FLORIDA PENINSULA AND THE FLORIDA KEYS TODAY...AND ACROSS THE FLORIDA PANHANDLE TONIGHT AND SUNDAY. REPEATING THE 11 AM EDT POSITION...24.7 N... 83.8 W. MOVEMENT TOWARD...NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...100 MPH. MINIMUM CENTRAL PRESSURE... 967 MB. INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1 PM EDT AND 3 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 PM EDT. FORECASTER STEWART |
