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TROPICAL STORM ALBERTO DISCUSSION NUMBER  76
NATIONAL WEATHER SERVICE MIAMI FL
11 PM EDT TUE AUG 22 2000
 
THE REMAINING CONVECTION IS NOW RATHER ASYMMETRIC AND CONCENTRATED
IN THE FORWARD SEMICIRCLE.  THE EYE IS ALSO BECOMING LESS DISTINCT. 
THE INTENSITY IS LOWERED TO 60 KT...A BIT BELOW THE SATELLITE
ESTIMATES...BECAUSE ALBERTO IS NOW OVER 17C WATER...IT IS PRESUMED
THAT THE SURFACE WIND FIELD IS LARGELY DECOUPLED FROM THE STRONGER
CIRCULATION ABOVE.  SINCE ALBERTO IS NOW MOVING OVER COLD
WATERS...WEAKENING IS FORECAST AND THE SYSTEM IS EXPECTED TO BECOME
EXTRATROPICAL IN 24 HOURS IF NOT SOONER.  ALBERTOS EXTRATROPICAL
REMNANTS SHOULD SOON MERGE WITH A HIGH LATITUDE TROUGH.
 
THE HURRICANE IS ACCELERATING AND IS NOW MOVING AT 045/32.  THIS
MOTION IS A BIT TO THE RIGHT OF THE PREVIOUS TRACK AND THE OFFICIAL
FORECAST IS ADJUSTED TO THE RIGHT OF THE PREVIOUS ADVISORY.  A
SLIGHT LEFT TURN IS POSSIBLE BEFORE THE SYSTEM IS ABSORBED...AS
SUGGESTED BY THE AVN.  
 
FORECASTER FRANKLIN
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL     23/0300Z 49.7N  37.8W    60 KTS
12HR VT     23/1200Z 53.9N  32.5W    55 KTS
24HR VT     24/0000Z 61.0N  26.0W    50 KTS...EXTRATROPICAL
 
 
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