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HURRICANE ISAAC DISCUSSION NUMBER  38
NATIONAL WEATHER SERVICE MIAMI FL
5 PM EDT SAT SEP 30 2000
 
ISAAC IS STILL MAINTAINING A WARM INNER CORE BUT THE WINDS ARE
EXPANDING AWAY FROM THE CENTER AS IT BEGINS TO BECOME EXTRATROPICAL.
T-NUMBERS ARE GRADUALLY DECREASING AS THE RINGS OF CONVECTION
SURROUNDING THE CENTER WEAKEN. INITIAL INTENSITY IS 65 KNOTS.
 
ISAAC IS ALREADY EMBEDDED WITHIN THE SOUTHWESTERLY FLOW AHEAD OF AN
UPPER TROUGH AND IS MOVING NORTHEAST AT 20 KNOTS.  ISAAC SHOULD
ACCELERATE AND BECOME EXTRATROPICAL BEYOND 24 HOURS.
 
FORECASTER AVILA
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL     30/2100Z 38.7N  49.2W    65 KTS
12HR VT     01/0600Z 40.8N  45.8W    60 KTS
24HR VT     01/1800Z 43.5N  40.0W    50 KTS
36HR VT     02/0600Z 46.5N  33.0W    50 KTS...EXTRATROPICAL
48HR VT     02/1800Z 50.0N  24.0W    45 KTS...EXTRATROPICAL
 
 
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