Tropical Depression EIGHTEEN

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TROPICAL DEPRESSION EIGHTEEN INTERMEDIATE ADVISORY NUMBER   3A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 PM EDT SUN SEP 18 2005
 
...DEPRESSION SLOWLY ORGANIZING AS IT NEARS THE BAHAMAS...
 
A HURRICANE WATCH IS IN EFFECT FOR ALL OF THE FLORIDA KEYS FROM
OCEAN REEF SOUTHWARD AND WESTWARD TO DRY TORTUGAS...INCLUDING
FLORIDA BAY.
 
A HURRICANE WATCH REMAINS IN EFFECT FOR THE NORTHWEST BAHAMAS.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS...AND FOR THE SOUTHEAST AND CENTRAL BAHAMAS.  A TROPICAL
STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.
 
INTERESTS ELSEWHERE IN SOUTH FLORIDA...AS WELL AS CENTRAL AND
WESTERN CUBA...SHOULD CLOSELY MONITOR THE PROGRESS OF THIS
SYSTEM.  ADDITIONAL WATCHES COULD BE ISSUED FOR PORTIONS OF SOUTH
FLORIDA AND FOR CUBA LATER TODAY OR TONIGHT.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 2 PM EDT...1800Z...THE CENTER OF TROPICAL DEPRESSION EIGHTEEN
WAS LOCATED NEAR LATITUDE 21.9 NORTH... LONGITUDE 72.4 WEST OR
ABOUT 385 MILES... 625 KM... EAST-SOUTHEAST OF NASSAU IN THE
BAHAMAS.
 
THE DEPRESSION IS MOVING TOWARD THE WEST NEAR 10 MPH... 17 KM/HR.  A
GENERAL WESTWARD TO WEST-NORTHWESTWARD MOTION IS EXPECTED DURING
THE NEXT 24 HOURS.  ON THIS TRACK...THIS SYSTEM WILL BE MOVING OVER
THE EASTERN AND CENTRAL BAHAMAS LATER TODAY...TONIGHT...AND MONDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  35 MPH... 55 KM/HR... WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST... AND THE DEPRESSION COULD
BECOME A TROPICAL STORM LATER TODAY OR TONIGHT.
 
THE MINIMUM CENTRAL PRESSURE RECENTLY MEASURED BY RECONNAISSANCE
AIRCRAFT WAS 1006 MB...29.71 INCHES.
 
REPEATING THE 2 PM EDT POSITION...21.9 N... 72.4 W.  MOVEMENT
TOWARD...WEST NEAR 10 MPH.  MAXIMUM SUSTAINED
WINDS... 35 MPH.  MINIMUM CENTRAL PRESSURE...1006 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 PM EDT.
 
FORECASTER KNABB
 
 
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