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Hurricane DENNIS


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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
 
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