Cayman Islands + 4 more

Hurricane Dennis Advisory Number 12

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Posted
Originally published
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WTNT34 KNHC 071438
TCPAT4
BULLETIN
HURRICANE DENNIS ADVISORY NUMBER 12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM EDT THU JUL 07 2005

...HURRICANE WATCH FOR THE FLORIDA KEYS...TROPICAL STORM WATCH FOR THE SOUTHERN FLORIDA PENINSULA...

AT 11 AM EDT...1500Z...THE GOVERNMENT OF CUBA HAS EXTENDED THE HURRICANE WATCHES AND WARNINGS WESTWARD. A HURRICANE WARNING IS NOW IN EFFECT FOR THE PROVINCES OF MATANZAS...VILLA CLARA... CIENFUEGOS...SANCTI SPIRITUS...CIEGO DE AVILA...CAMAGUEY...LAS TUNAS...GRANMA...SANTIAGO DE CUBA...AND GUANTANAMO. A HURRICANE WATCH IS NOW IN EFFECT FOR THE REMAINING PROVINCES OF CUBA INCLUDING THE ISLE OF YOUTH...PINAR DEL RIO...LA ABANA...CIUDAD DE LA HABANA...AND HOLGUIN.

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

AT 11 AM EDT...A HURRICANE WATCH IS ISSUED FOR ALL OF THE FLORIDA KEYS AND FLORIDA BAY. ALSO AT 11 AM EDT...A TROPICAL STORM WATCH IS ISSUED FOR ALL OF THE SOUTHERN FLORIDA PENINSULA FROM GOLDEN BEACH SOUTHWARD ON THE EAST COAST AND SOUTH OF BONITA BEACH ON THE WEST COAST.

A HURRICANE OR TROPICAL STORM WATCH MEANS THAT HURRICANE OR TROPICAL STORM CONDITIONS...RESPECTIVELY...ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.

A HURRICANE WARNING IS IN EFFECT FOR THE SOUTHWESTERN PENINSULA OF HAITI FROM THE DOMINICAN REPUBLIC BORDER WESTWARD...ALL OF JAMAICA...AND ALL OF THE CAYMAN ISLANDS.

INTERESTS IN THE CENTRAL AND WESTERN CARIBBEAN SEA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.

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

AT 11 AM EDT...1500Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 18.0 NORTH... LONGITUDE 75.6 WEST OR ABOUT 80 MILES... 125 KM... EAST OF KINGSTON JAMAICA AND ABOUT 155 MILES...250 KM...SOUTH OF GUANTANAMO CUBA.

DENNIS IS MOVING TOWARD THE NORTHWEST NEAR 13 MPH...20 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THIS TRACK THE CENTER WILL BE PASSING VERY NEAR JAMAICA THIS AFTERNOON AND EVENING.

MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER GUSTS. DENNIS IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME STRENGTHENING IS FORECAST...AND DENNIS COULD BECOME A MAJOR HURRICANE WITHIN THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES... 75 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB...28.59 INCHES.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES OVER SOUTHERN HISPANIOLA...JAMAICA...CUBA...AND THE CAYMAN ISLANDS. ISOLATED MAXIMUM AMOUNTS OF 15 INCHES ARE POSSIBLE OVER THE MOUNTAINOUS TERRAIN OF JAMAICA. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.

STORM SURGE FLOODING OF 5 TO 7 FEET ABOVE NORMAL TIDE LEVELS... ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...ARE LIKELY IN AREAS OF ONSHORE WINDS NEAR THE CENTER. A MUCH LARGER STORM SURGE OF 12 TO 14 FEET IS POSSIBLE ALONG THE SOUTHERN COAST OF CUBA FROM CAMAGUEY WESTWARD.

REPEATING THE 11 AM EDT POSITION...18.0 N... 75.6 W. MOVEMENT TOWARD...NORTHWEST NEAR 13 MPH. MAXIMUM SUSTAINED WINDS...105 MPH. MINIMUM CENTRAL PRESSURE... 968 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 2 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 PM EDT.

FORECASTER PASCH/KNABB