Hurricane DENNIS

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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
 
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