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HURRICANE ALBERTO DISCUSSION NUMBER 73
NATIONAL WEATHER SERVICE MIAMI FL
5 AM EDT TUE AUG 22 2000
CLOUD TOPS HAVE WARMED A BIT OVER THE PAST SIX HOURS BUT THE EYE
REMAINS QUITE WELL-DEFINED. SATELLITE INTENSITY ESTIMATES RANGE
FROM 65 TO 77 KT. GIVEN THE COOLING SSTS UNDER ALBERTO I HAVE SET
THE OFFICIAL INTENSITY AT THE LOW END OF THIS RANGE. THE WATER WILL
COOL DRAMATICALLY OVER THE NEXT 12 HOURS AND ALBERTO WILL LIKELY
WEAKEN TO A TROPICAL STORM SHORTLY.
ALBERTO CONTINUES TO ACCELERATE AND THE INITIAL MOTION IS NOW
020/15. THIS ACCELERATION SHOULD CONTINUE OVER THE NEXT 24 TO 36
HOURS UNTIL ALBERTO BECOMES EXTRATROPICAL AND/OR GETS ABSORBED BY A
LARGER EXTRATROPICAL LOW.
FORECASTER FRANKLIN
FORECAST POSITIONS AND MAX WINDS
INITIAL 22/0900Z 43.3N 44.9W 65 KTS
12HR VT 22/1800Z 46.1N 43.4W 60 KTS
24HR VT 23/0600Z 52.0N 40.0W 50 KTS...EXTRATROPICAL
36HR VT 23/1800Z 59.0N 35.0W 50 KTS...EXTRATROPICAL
48HR VT 24/0600Z ...ABSORBED
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