ZCZC MIATCMAT4 ALL
TTAA00 KNHC DDHHMM
TROPICAL STORM CHANTAL FORECAST/ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL   AL0401
1500Z MON AUG 20 2001
 
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.  A HURRICANE WATCH
REMAINS IN EFFECT FROM BELIZE CITY NORTHWARD TO CANCUN.
 
TROPICAL STORM CENTER LOCATED NEAR 17.7N  86.3W AT 20/1500Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 285 DEGREES AT  13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT.......125NE   0SE   0SW   0NW.
34 KT.......175NE 150SE   0SW 125NW.
12 FT SEAS..150NE 150SE  50SW 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 17.7N  86.3W AT 20/1500Z
AT 20/1200Z CENTER WAS LOCATED NEAR 17.4N  85.6W
 
FORECAST VALID 21/0000Z 18.4N  88.0W...INLAND
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 75NE   0SE   0SW   0NW.
34 KT...125NE 125SE  25SW  75NW.
 
FORECAST VALID 21/1200Z 19.3N  90.0W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE   0SE   0SW   0NW.
34 KT...125NE 125SE  25SW  75NW.
 
FORECAST VALID 22/0000Z 20.0N  91.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...150NE 100SE  50SW  75NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.7N  86.3W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 22/1200Z 20.7N  93.0W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 75NE  50SE  25SW  50NW.
34 KT...150NE 100SE  50SW  75NW.
 
OUTLOOK VALID 23/1200Z 21.0N  95.0W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 75NE  50SE  50SW  75NW.
34 KT...125NE  75SE  75SW 125NW.
 
NEXT ADVISORY AT 20/2100Z
 
FORECASTER PASCH
 
 
NNNN