Tropical Depression GIL
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TROPICAL DEPRESSION GIL DISCUSSION NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP102007
800 AM PDT SAT SEP 01 2007
GIL CONTINUES TO PRODUCE SPORADIC CONVECTION THAT BARELY MEETS THE
REQUIREMENTS FOR A TROPICAL CYCLONE. OVERALL...IT SEEMS LIKE THE
CIRCULATION HAS WEAKENED SINCE YESTERDAY...AND THIS THINKING IS IN
LINE WITH DECREASING DVORAK SATELLITE ESTIMATES. THE INITIAL
INTENSITY IS LOWERED TO 25 KT. A SLOW DECREASE IN STRENGTH IS
LIKELY AS THE CYCLONE MOVES OVER COOLER WATERS. GIL SHOULD BECOME
A REMNANT LOW TOMORROW...IF NOT SOONER.
THE CYCLONE IS MOVING A LITTLE NORTH OF WEST NOW...280/8. WEAK
RIDGING SHOULD PERSIST TO THE NORTH OF GIL FOR THE NEXT SEVERAL
DAY AND FORCE A WEST TO WEST-NORTHWESTWARD MOTION. THE TRACK IS
VERY SIMILAR TO THE PREVIOUS ADVISORY AND IS ON THE SOUTHERN PORTION
OF THE GUIDANCE ENVELOPE.
FORECAST POSITIONS AND MAX WINDS
INITIAL 01/1500Z 18.8N 120.7W 25 KT
12HR VT 02/0000Z 19.0N 121.9W 25 KT...DISSIPATING
24HR VT 02/1200Z 19.3N 123.8W 20 KT...REMNANT LOW
36HR VT 03/0000Z 19.6N 125.6W 20 KT...REMNANT LOW
48HR VT 03/1200Z 19.9N 127.3W 20 KT...REMNANT LOW
72HR VT 04/1200Z 20.5N 130.5W 20 KT...REMNANT LOW
96HR VT 05/1200Z 20.5N 134.0W 20 KT...REMNANT LOW
120HR VT 06/1200Z...DISSIPATED
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FORECASTER BLAKE
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