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HURRICANE ALBERTO FORECAST/ADVISORY NUMBER  66
NATIONAL WEATHER SERVICE MIAMI FL   AL0300
1500Z SUN AUG 20 2000

...CORRECTION TO 12 FT SEAS RADII...
  
HURRICANE CENTER LOCATED NEAR 37.5N  47.9W AT 20/1500Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT  6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
EYE DIAMETER  45 NM
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT.
64 KT....... 45NE  45SE  45SW  45NW.
50 KT....... 65NE  65SE  65SW  65NW.
34 KT.......120NE 120SE 120SW 120NW.
12 FT SEAS..350NE 350SE 325SW 325NW.
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 37.5N  47.9W AT 20/1500Z
AT 20/1200Z CENTER WAS LOCATED NEAR 37.2N  48.0W
 
FORECAST VALID 21/0000Z 38.4N  47.8W
MAX WIND  80 KT...GUSTS  95 KT.
64 KT... 45NE  45SE  45SW  45NW.
50 KT... 65NE  65SE  65SW  65NW.
34 KT...120NE 120SE 120SW 120NW.
 
FORECAST VALID 21/1200Z 40.1N  47.2W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 45NE  45SE  45SW  45NW.
50 KT... 65NE  65SE  65SW  65NW.
34 KT...120NE 120SE 120SW 120NW.
 
FORECAST VALID 22/0000Z 43.0N  45.9W...BECOMING EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 40NE  40SE  30SW  30NW.
50 KT... 65NE  65SE  50SW  50NW.
34 KT...150NE 150SE 120SW 120NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.5N  47.9W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 22/1200Z 46.5N  43.5W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 65NE  65SE  50SW  50NW.
 
OUTLOOK VALID 23/1200Z 56.5N  34.5W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 60NE  60SE  45SW  45NW.
 
NEXT ADVISORY AT 20/2100Z
 
FORECASTER STEWART
 
 
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