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TROPICAL DEPRESSION GIL DISCUSSION NUMBER 21
NATIONAL WEATHER SERVICE MIAMI FL
8 PM PDT SAT SEP 08 2001
A FEW ISOLATED THUNDERSTORMS HAVE DEVELOPED JUST SOUTHWEST OF THE
CENTER OF GIL...SUGGESTING THAT IT IS STILL JUST BARELY A TROPICAL
CYCLONE. SATELLITE INTENSITY ESTIMATES FROM TAFB AND SAB ARE
30 KT...AND SO IS THE INITIAL INTENSITY FOR THIS ADVISORY.
ADDITIONAL MICROWAVE DATA SHOULD BE AVAILABLE DURING THE NEXT FEW
HOURS TO DETERMINE HOW MUCH OF GIL IS REALLY LEFT.
THE CENTERS OF GIL AND HENRIETTE CONTINUE TO ROTATE AROUND EACH
OTHER INSIDE A LARGER CYCLONIC ENVELOPE...AND THIS SHOULD CONTINUE
UNTIL THE CENTER OF GIL EITHER DISSIPATES OR MERGES WITH THE CENTER
OF HENRIETTE. NO MATTER WHAT HAPPENS TO THE TWO CENTERS...THE BROAD
LOW PRESSURE AREA SHOULD CONTINUE TO GENERATE SIGNIFICANT WINDS
FOR AT LEAST THE NEXT DAY OR TWO.
FORECASTER BEVEN
FORECAST POSITIONS AND MAX WINDS
INITIAL 09/0300Z 22.1N 135.5W 30 KTS
12HR VT 09/1200Z 20.5N 138.0W 25 KTS...DISSIPATING
24HR VT 10/0000Z 19.0N 139.0W 20 KTS...REMNANT LOW
36HR VT 10/1200Z...DISSIPATED
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