Jamaica + 3 more

Hurricane Dennis Advisory Number 10A

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WTNT34 KNHC 070541
TCPAT4
BULLETIN
HURRICANE DENNIS INTERMEDIATE ADVISORY NUMBER 10A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 AM EDT THU JUL 07 2005
...HURRICANE DENNIS AIMS AT JAMAICA...

A HURRICANE WARNING IS IN EFFECT FOR THE SOUTHWESTERN PENINSULA OF HAITI FROM THE DOMINICAN REPUBLIC BORDER WESTWARD...ALL OF JAMAICA...ALL OF THE CAYMAN ISLANDS...AND PORTIONS OF EASTERN CUBA FOR THE PROVINCES OF GRANMA...SANTIAGO DE CUBA...AND GUANTANAMO.

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.

A HURRICANE WATCH REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND EASTERN CUBA FOR THE PROVINCES OF SANCTI SPIRITUS...CIEGO DE AVILA...CAMAGUEY...LAS TUNAS...AND HOLGUIN. A HURRICANE WARNING MAY BE REQUIRED FOR PORTIONS OF THE WATCH AREA THURSDAY MORNING.

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 2 AM EDT...0600Z...THE CENTER OF HURRICANE DENNIS WAS LOCATED NEAR LATITUDE 16.7 NORTH... LONGITUDE 74.2 WEST OR ABOUT 160 MILES... 255 KM...EAST-SOUTHEAST OF KINGSTON JAMAICA AND ABOUT 235 MILES...375 KM...SOUTH-SOUTHEAST OF GUANTANAMO CUBA.

DENNIS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. ON THIS TRACK...DENNIS IS EXPECTED TO BE OVER OR VERY NEAR JAMAICA LATER TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER GUSTS. THIS MAKES DENNIS A CATEGORY 1 HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS...AND DENNIS COULD BECOME A STRONG CATEGORY 2 HURRICANE BY THE TIME IT REACHES JAMAICA TODAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES... 35 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM.

THE MINIMUM CENTRAL PRESSURE MEASURED BY A NOAA HURRICANE HUNTER AIRCRAFT A COUPLE OF HOURS AGO WAS 975 MB...28.79 INCHES.

DENNIS IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES OVER SOUTHERN HISPANIOLA...JAMAICA...EASTERN 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.

REPEATING THE 2 AM EDT POSITION...16.7 N... 74.2 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS... 85 MPH. MINIMUM CENTRAL PRESSURE...975 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 AM EDT.

FORECASTER AVILA