Hurricane DEAN

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BULLETIN
HURRICANE DEAN INTERMEDIATE ADVISORY NUMBER  13A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL042007
200 PM AST THU AUG 16 2007
 
... AIR FORCE HURRICANE HUNTER PLANE REACHES HURRICANE DEAN...
 
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.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE FOLLOWING ISLANDS
OF THE LESSER ANTILLES... GRENADA AND ITS DEPENDENCIES...ST.
VINCENT AND THE GRENADINES...BARBADOS...SABA...ST. EUSTATIUS...
MONSERRAT...ANTIGUA...NEVIS...ST KITTS...BARBUDA AND ST. MAARTEN.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 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 200 PM AST...1800Z...THE CENTER OF HURRICANE DEAN WAS LOCATED
NEAR LATITUDE 13.8 NORTH...LONGITUDE 55.5 WEST OR ABOUT 275 MILES...
440 KM...EAST OF BARBADOS AND ABOUT 365 MILES...590 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
HURRICANE SCALE.  STRONGER WINDS...ESPECIALLY IN GUSTS...ARE LIKELY
OVER ELEVATED TERRAIN.  ADDITIONAL STRENGTHENING IS FORECAST DURING
THE NEXT 24 HOURS.  A NEW STEPPED-FREQUENCY MICROWAVE RADIOMETER
INSTRUMENT ON BOARD OF THE AIR FORCE RECONNAISSANCE AIRCRAFT JUST
MEASURED 90 MPH...150 KM/HR SURFACE WINDS WHILE MAKING ITS FIRST
ENTRANCE TO THE HURRICANE.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER.  DATA FROM NOAA BUOY 41040 INDICATES THAT TROPICAL STORM
FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM THE
CENTER.
 
MINIMUM CENTRAL PRESSURE ESTIMATED BY THE AIR FORCE RECONNAISSANCE
AIRCRAFT WAS 970 MB...28.64 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 200 PM AST POSITION...13.8 N...55.5 W.  MOVEMENT
TOWARD...WEST NEAR 23 MPH.  MAXIMUM SUSTAINED WINDS...90 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.
 
$$
FORECASTER AVILA/BLAKE
 
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