USA

Hurricane Dennis Advisory Number 25

Format
Other
Source
Posted
Originally published
000
WTNT34 KNHC 101451
TCPAT4
BULLETIN
HURRICANE DENNIS ADVISORY NUMBER 25...CORRECTED
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
10 AM CDT SUN JUL 10 2005

...EXTREMELY DANGEROUS DENNIS MOVING A LITTLE FASTER TOWARD THE COASTLINE...

A HURRICANE WARNING REMAINS IN EFFECT ALONG THE NORTHEASTERN COAST OF THE GULF OF MEXICO FROM THE OCHLOCKONEE RIVER WESTWARD TO THE MOUTH OF THE PEARL RIVER.

AT 10 AM CDT...1500Z...THE TROPICAL STORM WARNING IS DISCONTINUED WEST OF GRAND ISLE LOUISIANA...AND SOUTH OF LONGBOAT KEY FLORIDA. A TROPICAL STORM WARNING IS NOW IN EFFECT FROM WEST OF THE PEARL RIVER TO GRAND ISLE...INCLUDING METROPOLITAN NEW ORLEANS AND LAKE PONTCHARTRAIN...AND FROM EAST OF THE OCHLOCKONEE RIVER TO LONGBOAT KEY FLORIDA.

PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD ALREADY HAVE BEEN COMPLETED.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.

AT 10 AM CDT...1500Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 29.4 NORTH...LONGITUDE 86.7 WEST OR ABOUT 125 MILES SOUTHEAST OF MOBILE ALABAMA AND ABOUT 80 MILES SOUTH-SOUTHEAST OF PENSACOLA FLORIDA.

DENNIS IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 18 MPH AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THE FORECAST TRACK...DENNIS IS EXPECTED TO MAKE LANDFALL THIS AFTERNOON.

MAXIMUM SUSTAINED WINDS ARE NOW NEAR 140 MPH...WITH HIGHER GUSTS. SOME SLIGHT ADDITIONAL WEAKENING IS POSSIBLE PRIOR TO LANDFALL...HOWEVER...DENNIS IS EXPECTED TO REACH THE COAST NEAR THE CATEGORY THREE/FOUR THRESHOLD ON THE SAFFIR-SIMPSON SCALE.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES. HURRICANE FORCE WINDS ASSOCIATED WITH DENNIS MAY OCCUR AS FAR AS 150 TO 175 MILES INLAND ALONG THE TRACK OF THE HURRICANE.

THE ESTIMATED MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE AIRCRAFT WAS 930 MB...27.46 INCHES.

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 ELSEWHERE IN THE HURRICANE WARNING AREA TO THE EAST OF THE CENTER.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES OVER THE FLORIDA PANHANDLE...ALABAMA...EASTERN MISSISSIPPI...AND SOUTHWESTERN GEORGIA. ISOLATED MAXIMUM RAINFALL AMOUNTS TO NEAR 15 INCHES ARE POSSIBLE NEAR WHERE DENNIS MAKES LANDFALL.

ISOLATED TORNADOES ARE POSSIBLE TODAY OVER THE WEST-CENTRAL FLORIDA PENINSULA...FLORIDA PANHANDLE...WESTERN GEORGIA AND CENTRAL AND SOUTHERN ALABAMA.

REPEATING THE 10 AM CDT POSITION...29.4 N... 86.7 W. MOVEMENT TOWARD...NORTH-NORTHWEST NEAR 18 MPH. MAXIMUM SUSTAINED WINDS...140 MPH. MINIMUM CENTRAL PRESSURE... 930 MB.

INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT NOON CDT AND 2 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 4 PM CDT.

FORECASTER FRANKLIN