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TROPICAL STORM CHANTAL FORECAST/ADVISORY NUMBER  13
NATIONAL WEATHER SERVICE MIAMI FL   AL0401
2100Z SAT AUG 18 2001
 
A HURRICANE WATCH AND A TROPICAL STORM WARNING ARE IN EFFECT FOR
JAMAICA AND THE CAYMAN ISLANDS.
 
TROPICAL STORM CENTER LOCATED NEAR 15.6N  76.2W AT 18/2100Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT  22 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 50NE   0SE   0SW   0NW.
34 KT.......125NE  50SE   0SW  75NW.
12 FT SEAS..140NE 100SE  25SW 125NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 15.6N  76.2W AT 18/2100Z
AT 18/1800Z CENTER WAS LOCATED NEAR 15.4N  75.1W
 
FORECAST VALID 19/0600Z 16.0N  79.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE   0SE   0SW   0NW.
34 KT...125NE  50SE   0SW  75NW.
 
FORECAST VALID 19/1800Z 17.0N  82.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE   0SE   0SW   0NW.
34 KT...125NE  50SE   0SW  75NW.
 
FORECAST VALID 20/0600Z 18.5N  85.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 25NE  25SE   0SW  25NW.
50 KT... 50NE  50SE  25SW  50NW.
34 KT...125NE  75SE  50SW 125NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.6N  76.2W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 20/1800Z 20.0N  87.5W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 50NE  50SE  50SW  50NW.
34 KT...125NE 125SE 125SW 125NW.
 
OUTLOOK VALID 21/1800Z 22.0N  90.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...125NE 125SE 125SW 125NW.
 
NEXT ADVISORY AT 19/0300Z
 
FORECASTER AVILA
 
 
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