Sunday, July 10, 2005

HURR Dennis Public Advisory 23A - 1 a.m. EDT

WTNT34 KNHC 100501
TCPAT4
BULLETIN
HURRICANE DENNIS INTERMEDIATE ADVISORY NUMBER 23A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1 AM EDT SUN JUL 10 2005

...DENNIS STRENGTHENS TO 135 MPH...NOW A CATEGORY FOUR HURRICANE...

A HURRICANE WARNING REMAINS IN EFFECT FOR PORTIONS OF THE NORTHERN
AND NORTHEASTERN GULF COAST FROM THE STEINHATCHEE RIVER WESTWARD TO
THE MOUTH OF THE PEARL RIVER.

A TROPICAL STORM WARNING REMAINS IN EFFECT ALONG THE FLORIDA WEST
COAST FROM EAST OF THE STEINHATCHEE RIVER SOUTHWARD TO BONITA
BEACH...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 1 AM EDT...0500Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED
NEAR LATITUDE 27.0 NORTH...LONGITUDE 85.6 WEST OR ABOUT 235 MILES
SOUTH OF PANAMA CITY FLORIDA AND ABOUT 310 MILES SOUTHEAST OF
BILOXI MISSISSIPPI.

DENNIS IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH. A GRADUAL TURN
TOWARD THE NORTH-NORTHWEST IS EXPECTED TODAY. THIS MOTION WILL
BRING THE CENTER OF DENNIS ACROSS THE NORTHERN GULF COAST LATER
TODAY.

REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 135 MPH...WITH
HIGHER GUSTS. THIS MAKES DENNIS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE
BEFORE LANDFALL.

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.

AN AIR FORCE HURRICANE HUNTER PLANE RECENTLY REPORTED A MINIMUM
CENTRAL PRESSURE OF 937 MB...27.67 INCHES.

STORM SURGE FLOODING OF 14 TO 17 FEET ABOVE NORMAL TIDE LEVELS...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...IS POSSIBLE
NEAR AND TO THE EAST OF WHERE THE CENTER OF DENNIS CROSSES THE
NORTHERN GULF COAST ON SUNDAY. 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.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 8
INCHES FROM THE FLORIDA PANHANDLE...SOUTHERN ALABAMA...AND SOUTHERN
MISSISSIPPI NORTHWESTWARD INTO NORTHERN MISSISSIPPI...WITH ISOLATED
MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE NEAR WHERE DENNIS MAKES
LANDFALL ON THE GULF COAST. ADDITIONAL RAINFALL ACCUMULATIONS OF 2
TO 4 INCHES ARE POSSIBLE OVER THE FLORIDA WEST COAST...WITH 1 TO 3
INCHES POSSIBLE OVER THE REMAINDER OF THE FLORIDA PENINSULA AND
KEYS...AS WELL AS OVER CUBA.

ISOLATED TORNADOES WILL BE POSSIBLE THIS MORNING OVER PORTIONS OF
NORTHERN AND NORTH-CENTRAL FLORIDA...AND THE FLORIDA PANHANDLE.

REPEATING THE 1 AM EDT POSITION...27.0 N... 85.6 W. MOVEMENT
TOWARD...NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...135 MPH.
MINIMUM CENTRAL PRESSURE... 937 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 3 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 AM
EDT.

FORECASTER PASCH

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