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Hurricane Dennis Advisory Number 19

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WTNT34 KNHC 090846
TCPAT4
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HURRICANE DENNIS ADVISORY NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 AM EDT SAT JUL 09 2005

...A WEAKER DENNIS BACK OVER WATER...NO SIGNS OF STRENGTHENING YET...

AT 5 AM EDT...0900 UTC...A HURRICANE WARNING HAS BEEN ISSUED FOR PORTIONS OF THE NORTHEASTERN GULF COAST FROM THE STEINHATCHEE RIVER WESTWARD TO THE MOUTH OF THE PEARL RIVER.

A HURRICANE WARNING REMAINS IN EFFECT FOR THE LOWER FLORIDA KEYS FROM THE SEVEN MILE BRIDGE WESTWARD TO THE DRY TORTUGAS. A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR THE REMAINDER OF THE FLORIDA KEYS...EAST OF THE SEVEN MILE BRIDGE TO OCEAN REEF AND FLORIDA BAY.

A HURRICANE WARNING REMAINS IN EFFECT FOR CUBA FOR THE PROVINCES OF LA HABANA...CIUDAD DE LA HABANA...MATANZAS...VILLA CLARA...AND CIENFUEGOS. AT 5 AM EDT...0900 UTC...THE HURRICANE WARNING FOR CUBA HAS BEEN DISCONTINUED FOR ALL PROVINCES FROM SANCTI SPIRITUS EASTWARD. A HURRICANE WATCH REMAINS IN EFFECT FOR THE ISLE OF YOUTH AND THE PROVINCE OF PINAR DEL RIO.

AT 5 AM EDT...0900 UTC...THE TROPICAL STORM WARNING ALONG THE FLORIDA WEST COAST HAS BEEN EXTENDED NORTHWARD TO EAST OF THE STEINHATCHEE RIVER. A TROPICAL STORM WARNING IS NOW IN EFFECT ALONG THE FLORIDA WEST COAST FROM EAST OF THE STEINHATCHEE RIVER SOUTHWARD...AND ALONG THE FLORIDA EAST COAST FROM GOLDEN BEACH SOUTHWARD.

AT 5 AM EDT...0900 UTC...A TROPICAL STORM WARNING HAS BEEN ISSUED 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. A HURRICANE OR TROPICAL STORM WATCH MEANS THAT HURRICANE OR TROPICAL STORM CONDITIONS...RESPECTIVELY...ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.

INTERESTS ELSEWHERE IN FLORIDA...AND THE EASTERN GULF OF MEXICO SHOULD MONITOR THE PROGRESS OF DENNIS.

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

AT 5 AM EDT...0900Z...THE EYE OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 23.9 NORTH...LONGITUDE 82.9 WEST OR ABOUT 85 MILES... 135 KM...SOUTHWEST OF KEY WEST FLORIDA AND ABOUT 525 MILES... 845 KM...SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER.

DENNIS IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH ...22 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/HR...WITH HIGHER GUSTS. DENNIS IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME RE-STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 65 MILES...100 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM.

MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RECONNAISSANCE AIRCRAFT WAS 972 MB...28.70 INCHES.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES ACROSS THE CENTRAL AND SOUTHERN FLORIDA PENINSULA...AND THE FLORIDA KEYS. ADDITIONAL RAIN ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED ACROSS CENTRAL CUBA. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.

A STORM SURGE OF 3 TO 6 FEET IS POSSIBLE IN THE LOWER FLORIDA KEYS. A STORM SURGE OF 4 TO 7 FEET IS POSSIBLE ALONG THE SOUTHWEST COAST OF FLORIDA TODAY.

ISOLATED TORNADOES WILL BE POSSIBLE OVER CENTRAL AND SOUTHERN FLORIDA PENINSULA AND THE FLORIDA KEYS TODAY.

REPEATING THE 5 AM EDT POSITION...23.9 N... 82.9 W. MOVEMENT TOWARD...NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS... 90 MPH. MINIMUM CENTRAL PRESSURE... 972 MB.

INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 7 AM EDT AND 9 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 AM EDT.

FORECASTER AVILA