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TROPICAL STORM DEBBY FORECAST/ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL   AL0700
1500Z SUN AUG 20 2000
 
INTERESTS IN THE NORTHEASTERN CARIBBEAN SHOULD MONITOR THE PROGRESS
OF THIS SYSTEM.  A HURRICANE WATCH MAY BE REQUIRED FOR THE NORTHERN
LEEWARD ISLANDS LATER TODAY OR TONIGHT.
 
TROPICAL STORM CENTER LOCATED NEAR 14.3N  49.7W AT 20/1500Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 50NE  30SE  30SW  50NW.
12 FT SEAS.. 60NE  60SE  30SW  60NW.
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 14.3N  49.7W AT 20/1500Z
AT 20/1200Z CENTER WAS LOCATED NEAR 14.1N  49.0W
 
FORECAST VALID 21/0000Z 15.0N  52.0W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  20SE  20SW  20NW.
34 KT... 70NE  50SE  50SW  70NW.
 
FORECAST VALID 21/1200Z 16.0N  55.2W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  20SE  20SW  30NW.
34 KT...100NE  75SE  75SW 100NW.
 
FORECAST VALID 22/0000Z 16.8N  58.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE  20SW  20NW.
50 KT... 40NE  30SE  30SW  40NW.
34 KT...100NE  75SE  75SW 100NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.3N  49.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 22/1200Z 17.5N  61.5W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 50NE  35SE  35SW  50NW.
 
OUTLOOK VALID 23/1200Z 19.0N  68.0W
MAX WIND  80 KT...GUSTS  95 KT.
50 KT... 60NE  45SE  45SW  60NW.
 
NEXT ADVISORY AT 20/2100Z
 
FORECASTER STEWART
 
 
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