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HURRICANE ALBERTO FORECAST/ADVISORY NUMBER  70
NATIONAL WEATHER SERVICE MIAMI FL   AL0300
1500Z MON AUG 21 2000
 
HURRICANE CENTER LOCATED NEAR 39.3N  47.1W AT 21/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  20 DEGREES AT  5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
EYE DIAMETER  45 NM
MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
64 KT....... 45NE  45SE  45SW  45NW.
50 KT....... 65NE  65SE  65SW  65NW.
34 KT.......120NE 120SE 120SW 120NW.
12 FT SEAS..350NE 350SE 250SW 400NW.
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 39.3N  47.1W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 39.0N  47.2W
 
FORECAST VALID 22/0000Z 40.7N  46.4W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 45NE  45SE  45SW  45NW.
50 KT... 65NE  65SE  65SW  65NW.
34 KT...120NE 120SE 120SW 120NW.
 
FORECAST VALID 22/1200Z 43.8N  44.7W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 45NE  45SE  45SW  45NW.
50 KT... 65NE 100SE  65SW  65NW.
34 KT...120NE 180SE 120SW 120NW.
 
FORECAST VALID 23/0000Z 48.0N  42.0W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 65NE 100SE 100SW  30NW.
34 KT...150NE 300SE 300SW 120NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.3N  47.1W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 23/1200Z 53.0N  38.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE 100SE 100SW   0NW.
 
FORECAST VALID 24/1200Z...ABSORBED
 
NEXT ADVISORY AT 21/2100Z
 
FORECASTER PASCH
 
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