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HURRICANE ALBERTO FORECAST/ADVISORY NUMBER  71
NATIONAL WEATHER SERVICE MIAMI FL   AL0300
2100Z MON AUG 21 2000
 
HURRICANE CENTER LOCATED NEAR 40.6N  46.4W AT 21/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH NORTHEAST OR  20 DEGREES AT 10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
EYE DIAMETER  50 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 40.6N  46.4W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 40.0N  46.7W
 
FORECAST VALID 22/0600Z 42.4N  45.4W
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 22/1800Z 45.6N  43.2W...EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 45NE  45SE  45SW  45NW.
50 KT...120NE 120SE  50SW  30NW.
34 KT...300NE 300SE 100SW  60NW.
 
FORECAST VALID 23/0600Z 50.0N  40.0W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
50 KT...140NE 140SE  50SW  30NW.
34 KT...150NE 300SE 300SW 120NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.6N  46.4W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 23/1800Z 55.0N  35.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE 100SE 100SW   0NW.
 
FORECAST VALID 24/1800Z...ABSORBED
 
NEXT ADVISORY AT 22/0300Z
 
FORECASTER PASCH
 
 
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