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TROPICAL STORM CHANTAL FORECAST/ADVISORY NUMBER  21
NATIONAL WEATHER SERVICE MIAMI FL   AL0401
2100Z MON AUG 20 2001

...CORRECTED TO REMOVE INLAND NOTATION FOR 36...48...AND 72H 
FORECASTS...
 
AT 4 PM CDT...1800Z...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL
STORM WARNING FOR THE GULF COAST OF THE YUCATAN PENINSULA FROM
PROGRESO TO CARMEN.  A HURRICANE WATCH REMAINS IN EFFECT FROM BELIZE
CITY NORTHWARD TO CANCUN...AND A TROPICAL STORM WARNING REMAINS IN
EFFECT FOR ALL OF COASTAL BELIZE...AND FOR THE EAST COAST OF THE
YUCATAN PENINSULA FROM THE MEXICO/BELIZE BORDER NORTHWARD TO CANCUN.
 
TROPICAL STORM CENTER LOCATED NEAR 18.1N  87.3W AT 20/2100Z
POSITION ACCURATE WITHIN  40 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT.......100NE   0SE   0SW   0NW.
34 KT.......175NE 150SE   0SW 125NW.
12 FT SEAS..175NE 175SE  30SW  30NW.
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 18.1N  87.3W AT 20/2100Z
AT 20/1800Z CENTER WAS LOCATED NEAR 17.9N  86.7W
 
FORECAST VALID 21/0600Z 18.9N  88.9W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 75NE   0SE   0SW   0NW.
34 KT...125NE 125SE   0SW  75NW.
 
FORECAST VALID 21/1800Z 19.5N  90.5W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...125NE  75SE  75SW 125NW.
 
FORECAST VALID 22/0600Z 20.0N  92.0W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 25NE   0SE   0SW  25NW.
34 KT...100NE  75SE  75SW 100NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.1N  87.3W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 22/1800Z 20.5N  93.5W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...100NE  75SE  75SW 100NW.
 
OUTLOOK VALID 23/1800Z 21.0N  96.0W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...100NE  75SE  75SW 100NW.
 
NEXT ADVISORY AT 21/0300Z
 
FORECASTER PASCH
 
 
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