000
WTNT34 KNHC 161443
TCPAT4
BULLETIN
HURRICANE DEAN ADVISORY NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007
1100 AM AST THU AUG 16 2007
…DEAN INTENSIFYING AS IT APPROACHES THE LESSER ANTILLES…
A HURRICANE WARNING REMAINS IN EFFECT FOR THE ISLANDS OF DOMINICA
AND ST. LUCIA. 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 CONTINUES FOR THE ISLANDS OF MARTINIQUE…
GUADELOUPE AND ITS DEPENDENCIES. A HURRICANE WATCH MEANS THAT
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA…GENERALLY
WITHIN 36 HOURS. THE GOVERNMENT OF FRANCE INDICATES THAT A
HURRICANE WARNING WILL LIKELY BE ISSUED THIS AFTERNOON FOR
MARTINIQUE…GUADELOUPE AND ITS DEPENDENCIES.
AT 11 AM AST…1500 UTC…THE METEOROLOGICAL SERVICE OF ANTIGUA HAS
UPGRADED THE TROPICAL STORM WATCH TO A TROPICAL STORM WARNING FOR
THE ISLANDS OF MONTSERRAT…ANTIGUA…ST. KITTS…NEVIS…AND
BARBUDA. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR BARBADOS.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.
AT 11 AM AST…THE BARBADOS METEOROLOGICAL SERVICE HAS ISSUED A
TROPICAL STORM WARNING FOR ST. VINCENT AND THE GRENADINES.
AT 11 AM AST…THE GOVERNMENT OF THE NETHERLANDS ANTILLES HAS ISSUED
A TROPICAL STORM WARNING AND DISCONTINUED THE HURRICANE WATCH FOR
SABA AND ST. EUSTATIUS. THE TROPICAL STORM WATCH FOR ST. MAARTEN
HAS BEEN CHANGED TO A TROPICAL STORM WARNING.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR GRENADA AND ITS
DEPENDENCIES. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM
CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA…GENERALLY WITHIN 36
HOURS.
ADDITIONAL CHANGES TO WATCHES AND WARNINGS WILL LIKELY OCCUR LATER
TODAY.
INTERESTS ELSEWHERE IN THE LESSER ANTILLES…THE VIRGIN
ISLANDS…PUERTO RICO…AND HISPANIOLA SHOULD MONITOR THE PROGRESS
OF DEAN.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA…PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
AT 1100 AM AST…1500Z…THE CENTER OF HURRICANE DEAN WAS LOCATED
NEAR LATITUDE 13.7 NORTH…LONGITUDE 54.3 WEST OR ABOUT 350 MILES…
565 KM…EAST OF BARBADOS AND ABOUT 455 MILES…730 KM…EAST OF
MARTINIQUE.
DEAN IS MOVING TOWARD THE WEST NEAR 23 MPH…37 KM/HR…AND THIS
MOTION IS EXPECTED TO CONTINUE TODAY. ON THIS TRACK THE CENTER OF
DEAN WILL BE NEAR THE LESSER ANTILLES EARLY FRIDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH…150 KM/HR…WITH HIGHER
GUSTS. DEAN IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. STRONGER WINDS…ESPECIALLY IN GUSTS…ARE LIKELY OVER
ELEVATED TERRAIN. ADDITIONAL STRENGTHENING IS FORECAST DURING THE
NEXT 24 HOURS. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT WILL
INVESTIGATE DEAN THIS AFTERNOON.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES…45 KM…FROM
THE CENTER. DATA FROM NOAA BUOY 41010 INDICATES THAT TROPICAL STORM
FORCE WINDS EXTEND OUTWARD UP TO 105 MILES…165 KM…FROM THE
CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 979 MB…28.91 INCHES.
STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS…
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES…IS POSSIBLE
NEAR THE CENTER OF DEAN.
STORM TOTAL RAINFALLS OF 2 TO 5 INCHES…WITH ISOLATED MAXIMUM
AMOUNTS OF 7 INCHES IN MOUNTAINOUS AREAS…ARE POSSIBLE IN
ASSOCIATION WITH DEAN. THESE RAINS COULD CAUSE LIFE-THREATENING
FLASH FLOODS AND MUDSLIDES.
REPEATING THE 1100 AM AST POSITION…13.7 N…54.3 W. MOVEMENT
TOWARD…WEST NEAR 23 MPH. MAXIMUM SUSTAINED WINDS…90 MPH.
MINIMUM CENTRAL PRESSURE…979 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
PM AST.
$$
FORECASTER BLAKE/AVILA