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TROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER 21
NATIONAL WEATHER SERVICE MIAMI FL AL0300
0900Z WED AUG 09 2000
TROPICAL STORM CENTER LOCATED NEAR 20.8N 48.7W AT 09/0900Z
POSITION ACCURATE WITHIN 60 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 12 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 990 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 50NE 50SE 50SW 50NW.
34 KT....... 80NE 80SE 80SW 80NW.
12 FT SEAS..120NE 80SE 80SW 120NW.
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 20.8N 48.7W AT 09/0900Z
AT 09/0600Z CENTER WAS LOCATED NEAR 20.4N 48.3W
FORECAST VALID 09/1800Z 22.1N 50.2W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 50SE 50SW 50NW.
34 KT... 80NE 80SE 80SW 80NW.
FORECAST VALID 10/0600Z 23.5N 52.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 50SE 50SW 50NW.
34 KT... 80NE 80SE 80SW 80NW.
FORECAST VALID 10/1800Z 25.0N 54.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 50SW 50NW.
34 KT... 80NE 80SE 80SW 80NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.8N 48.7W
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
OUTLOOK VALID 11/0600Z 27.0N 56.0W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 50NE 50SE 50SW 50NW.
OUTLOOK VALID 12/0600Z 31.5N 59.0W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 60NE 60SE 60SW 60NW.
NEXT ADVISORY AT 09/1500Z
FORECASTER AVILA
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