USA

Hurricane Dennis Advisory Number 24

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WTNT34 KNHC 100856
TCPAT4
BULLETIN
HURRICANE DENNIS ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
4 AM CDT SUN JUL 10 2005

...EXTREMELY DANGEROUS HURRICANE DENNIS HEADED FOR 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.

AT 4 AM CDT...0900Z...THE TROPICAL STORM WARNING IS EXTENDED WESTWARD ALONG THE NORTHERN GULF COAST TO EAST OF MORGAN CITY LOUISIANA...AND THE TROPICAL STORM WARNING FOR THE LOWER FLORIDA KEYS IS CANCELLED.

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 4 AM CDT...0900Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 27.8 NORTH... LONGITUDE 86.1 WEST OR ABOUT 170 MILES SOUTH OF PANAMA CITY FLORIDA AND ABOUT 245 MILES SOUTHEAST OF BILOXI 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... 65 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM.

AN AIR FORCE HURRICANE HUNTER PLANE REPORTED A MINIMUM CENTRAL PRESSURE OF 932 MB...27.52 INCHES.

STORM SURGE FLOODING OF 14 TO 19 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 4 AM CDT POSITION...27.8 N... 86.1 W. MOVEMENT TOWARD...NORTH-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE... 932 MB.

INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 6 AM CDT AND 8 AM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 10 AM CDT.

FORECASTER PASCH