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TROPICAL STORM DEBBY FORECAST/ADVISORY NUMBER 9
NATIONAL WEATHER SERVICE MIAMI FL AL0700
2100Z MON AUG 21 2000
HURRICANE WARNINGS REMAIN IN EFFECT FOR THE LEEWARD ISLANDS FROM
GUADELOUPE NORTH AND NORTHWESTWARD THROUGH THE BRITISH AND THE
U.S. VIRGIN ISLANDS.
AT 5 PM AST...2100Z...A HURRICANE WARNING IS IN EFFECT FOR PUERTO
RICO...AND ADJACENT ISLANDS.
A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT FOR
DOMINICA.
WATCHES OR WARNINGS WILL LIKELY BE ISSUED FOR THE DOMINICAN REPUBLIC
LATER TONIGHT.
TROPICAL STORM CENTER LOCATED NEAR 16.3N 59.4W AT 21/2100Z
POSITION ACCURATE WITHIN 45 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 19 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 80 KT.
50 KT.......125NE 50SE 0SW 50NW.
34 KT.......150NE 100SE 50SW 120NW.
12 FT SEAS..250NE 100SE 75SW 150NW.
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 16.3N 59.4W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 16.1N 58.5W
FORECAST VALID 22/0600Z 16.7N 62.1W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 10SE 10SW 20NW.
50 KT...125NE 50SE 15SW 50NW.
34 KT...150NE 100SE 50SW 120NW.
FORECAST VALID 22/1800Z 17.8N 65.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 10SE 10SW 20NW.
50 KT...120NE 50SE 20SW 50NW.
34 KT...150NE 100SE 50SW 120NW.
FORECAST VALID 23/0600Z 18.8N 68.8W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 20SE 10SW 20NW.
50 KT...110NE 60SE 20SW 60NW.
34 KT...150NE 100SE 60SW 120NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.3N 59.4W
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
OUTLOOK VALID 23/1800Z 20.0N 71.5W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT...110NE 60SE 10SW 80NW.
OUTLOOK VALID 24/1800Z 22.5N 76.5W
MAX WIND 85 KT...GUSTS 105 KT.
50 KT...110NE 60SE 40SW 90NW.
NEXT ADVISORY AT 22/0300Z
FORECASTER STEWART
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