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TROPICAL DEPRESSION BORIS DISCUSSION NUMBER 9
NATIONAL WEATHER SERVICE MIAMI FL
8 AM PDT MON JUN 10 2002
...CORRECTED FORECASTER NAME...
THE SYSTEM HAS LOST PRACTICALLY ALL DEEP CONVECTION. SINCE A
QUIKSCAT PASS YESTERDAY EVENING SHOWED 35 KT WINDS AND IT IS ASSUMED
THAT BORIS HAS WEAKENED SINCE THAT TIME...THE CYCLONE IS BEING
DOWNGRADED TO A DEPRESSION. THUS THE TROPICAL STORM WATCH FOR THE
COAST IS CANCELED. THE NCEP GLOBAL MODEL MAINTAINS STRONG EASTERLY
SHEAR OVER THE AREA DURING THE FORECAST PERIOD...I.E. AN UNFAVORABLE
ATMOSPHERE ENVIRONMENT FOR REGENERATION. BORIS MAY EXHIBIT SOME
OCCASIONAL FLAREUPS OF CONVECTION OVER THE NEXT COUPLE OF DAYS...BUT
IT IS LIKELY TO DISSIPATE TO A REMNANT LOW LATER IN THE FORECAST
PERIOD.
STEERING CURRENTS REMAIN WEAK AND THE DYNAMICAL GUIDANCE INDICATES
THAT THIS REGIME WILL CONTINUE. SO THE OFFICIAL TRACK FORECAST...
LIKE THE PREVIOUS ONE...MOVES BORIS VERY LITTLE OVER THE NEXT DAY OR
SO...FOLLOWED BY A WESTWARD CRAWL.
FORECASTER PASCH
FORECAST POSITIONS AND MAX WINDS
INITIAL 10/1500Z 17.3N 103.9W 30 KTS
12HR VT 11/0000Z 17.5N 104.0W 30 KTS
24HR VT 11/1200Z 17.7N 104.2W 25 KTS...DISSIPATING
36HR VT 12/0000Z 17.8N 104.5W 20 KTS...REMNANT LOW
48HR VT 12/1200Z 18.0N 105.0W 20 KTS...REMNANT LOW
72HR VT 13/1200Z 18.0N 106.0W 20 KTS...REMNANT LOW
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