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WTNT34 KNHC 092253
TCPAT4
BULLETIN
HURRICANE DENNIS SPECIAL ADVISORY NUMBER  22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT SAT JUL 09 2005

...DENNIS STRENGTHENS RAPIDLY TO DANGEROUS CATEGOTY 3 MAJOR
HURRICANE...

A HURRICANE WARNING REMAINS IN EFFECT FOR PORTIONS OF THE
NORTHEASTERN GULF COAST FROM THE STEINHATCHEE RIVER FLORIDA WESTWARD
TO THE MOUTH OF THE PEARL RIVER AT THE LOUISIANA-MISSISSIPPI
BORDER.

A TROPICAL STORM WARNING REMAINS IN EFFECT ALONG THE FLORIDA WEST
COAST FROM EAST OF THE STEINHATCHEE RIVER SOUTHWARD TO FLAMINGO...
AND FOR THE LOWER FLORIDA KEYS WEST OF SEVEN MILE BRIDGE. 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.

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 7 PM EDT...2300Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 26.1 NORTH...LONGITUDE  84.9 WEST OR ABOUT  285 MILES
SOUTH OF PANAMA CITY FLORIDA AND ABOUT  385 MILES SOUTHEAST OF
BILOXI MISSISSIPPI.

DENNIS IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH AND A GRADUAL TURN
TOWARD THE NORTH-NORTHWEST IS EXPECTED TONIGHT OR SUNDAY.  THIS
MOTION COULD BRING THE CENTER OF DENNIS NEAR THE NORTHERN GULF
COAST ON SUNDAY.

REPORTS FROM AIR FORCE AND NOAA HURRICANE HUNTER AIRCRAFT INDICATE
THAT DENNIS HAS STRENGTHENED RAPIDLY DURING THE PAST FEW HOURS.
MAXIMUM SUSTAINED WINDS ARE NOW NEAR 115 MPH...WITH HIGHER GUSTS.
THIS MAKES DENNIS A CATEGORY 3 HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  ADDITIONAL STRENGTHENING IS EXPECTED...AND DENNIS COULD
BECOME A CATEGORY 4 HURRICANE BEFORE LANDFALL ON THE NORTHERN GULF
COAST.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  40 MILES...FROM THE
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 175 MILES.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT IS  947 MB...27.96 INCHES.  ANOTHER
AIRCRAFT IS CURRENTLY ENROUTE TO INVESTIGATE DENNIS.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO
8 INCHES ACROSS THE FLORIDA KEYS...THE FLORIDA WEST COAST...THE
FLORIDA PANHANDLE...SOUTHERN ALABAMA...AND SOUTHERN MISSISSIPPI.
ISOLATED TOTALS NEAR 12 INCHES ARE POSSIBLE NEAR WHERE DENNIS MAKES
LANDFALL ALONG THE GULF COAST. 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
TONIGHT. A STORM SURGE OF 2 TO 4 FEET IS POSSIBLE ALONG THE
SOUTHWESTERN COAST OF FLORIDA TONIGHT AND SUNDAY MORNING. A STORM
SURGE OF 12 TO 14 FEET...ACCOMPANIED BY LARGE AND DANGEROUS
BATTERING WAVES...IS POSSIBLE NEAR AND TO THE EAST 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 7 PM EDT POSITION...26.1 N... 84.9 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 14 MPH.  MAXIMUM SUSTAINED
WINDS...115 MPH.  MINIMUM CENTRAL PRESSURE... 947 MB.

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 BEVEN


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