Hurricane Dean
Public Advisory 21
638
WTNT34 KNHC 180833
TCPAT4
BULLETIN
HURRICANE DEAN ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007
500 AM AST SAT AUG 18 2007
...EXTREMELY DANGEROUS CATEGORY FOUR DEAN CONTINUES WESTWARD THROUGH
THE EASTERN AND CENTRAL CARIBBEAN SEA...
A HURRICANE WARNING IS IN EFFECT FOR THE SOUTH COAST OF THE
DOMINICAN REPUBLIC FROM BARAHONA WESTWARD TO THE HAITI-DOMINICAN
REPUBLIC BORDER. 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 JAMAICA. A HURRICANE WATCH
MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS. A HURRICANE WARNING WILL LIKELY
BE REQUIRED FOR JAMAICA LATER THIS MORNING.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE BRITISH VIRGIN
ISLANDS....U.S. VIRGIN ISLANDS AND PUERTO RICO. THESE WARNINGS
WILL LIKELY BE DISCONTINUED LATER TODAY. A TROPICAL STORM
WARNING IS ALSO IN EFFECT ALONG THE SOUTH COAST OF THE DOMINICAN
REPUBLIC FROM CABO ENGANO WESTWARD TO BARAHONA. A TROPICAL STORM
WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN
THE WARNING AREA WITHIN THE NEXT 24 HOURS.
A TROPICAL STORM WATCH IS IN EFFECT FOR PORTIONS OF CUBA...FROM THE
PROVINCE OF CAMAGUEY EASTWARD TO THE PROVINCE OF GUANTANAMO. A
TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
INTERESTS ELSEWHERE IN THE CENTRAL AND WESTERN CARIBBEAN...INCLUDING
WESTERN CUBA...THE CAYMAN ISLANDS...AND THE YUCATAN PENINSULA OF
MEXICO...SHOULD CLOSELY MONITOR THE PROGRESS OF DEAN.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 500 AM AST...0900Z...THE CENTER OF HURRICANE DEAN WAS LOCATED
NEAR LATITUDE 15.1 NORTH...LONGITUDE 67.3 WEST OR ABOUT 660 MILES...
1065 KM...EAST-SOUTHEAST OF KINGSTON JAMAICA AND ABOUT 240 MILES...
390 KM...SOUTH-SOUTHWEST OF SAN JUAN PUERTO RICO.
DEAN IS MOVING TOWARD THE WEST NEAR 17 MPH...28 KM/HR. A GENERAL
WESTWARD TO WEST-NORTHWESTWARD MOTION IS EXPECTED DURING THE NEXT
24 HOURS. ON THIS TRACK...THE CORE OF THE HURRICANE WILL BE MOVING
SOUTH OF THE DOMINICAN REPUBLIC LATER TODAY AND SOUTH OF HAITI
TONIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 150 MPH...240 KM/HR...WITH HIGHER
GUSTS. DEAN IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS. AN
AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS SCHEDULED TO REACH
DEAN IN A FEW HOURS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205
MILES...335 KM. NOAA BUOY 42059 RECENTLY REPORTED A 1-MINUTE
AVERAGE WIND OF 59 MPH.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 930 MB...27.46 INCHES.
STORM TOTAL RAINFALL AMOUNTS OF 1 TO 2 INCHES CAN BE EXPECTED FROM
DEAN OVER PUERTO RICO...THE DOMINICAN REPUBLIC AND HAITI WITH
MAXIMUM AMOUNTS UP TO 5 INCHES POSSIBLE. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.
REPEATING THE 500 AM AST POSITION...15.1 N...67.3 W. MOVEMENT
TOWARD...WEST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS...150 MPH.
MINIMUM CENTRAL PRESSURE...930 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
AM AST.
$$
FORECASTER BEVEN
