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TROPICAL DEPRESSION KYLE DISCUSSION NUMBER 59
NATIONAL WEATHER SERVICE MIAMI FL
5 AM EDT SAT OCT 05 2002
EXCEPT FOR A SMALL AREA TO THE SOUTH OF THE CENTER...THERE IS NO
OTHER DEEP CONVECTION LEFT IN ASSOCIATION WITH KYLE. SATELLITE
CURRENT INTENSITY ESTIMATES ARE CI 2.0/2.5/2.5 OR 30/35/35 KNOTS
FROM SAB/TAFB/AFGWC. RECENT WIND SPEED ESTIMATES FROM SSMI AND TRMM
PASSES INDICATE WINDS ARE BELOW 35 KNOTS. SO KYLE IS DOWNGRADED TO
A DEPRESSION.
THE CENTER BECAME POORLY DEFINED ON INFRARED IMAGERY SINCE THE
ECLIPSE...BUT SATELLITE POSITION ESTIMATES SUPPORT AN INITIAL MOTION
OF 310/8. THE GFS...GFDL...UKMET...AND CANADIAN MODELS ALL SHOW
KYLE TRAPPED IN WEAK STEERING CURRENTS FOR 72 HOURS. ONLY THE
NOGAPS MODEL SHOWS KYLE ACCELERATING NORTHEASTWARD AFTER 36 HOURS.
THE OFFICIAL FORECAST SHOWS A TURN TOWARD THE NORTHEAST IN 36 HOURS
FOLLOWED BY STATIONARY THROUGH 72 HOURS. THIS IS IN GOOD AGREEMENT
WITH A MODEL CONSENSUS.
FOLLOWING THE SHIPS STATISTICAL-DYNAMICAL INTENSITY MODEL AND THE
PREVIOUS ADVISORY...THE WIND SPEED IS FORECAST TO MODESTLY INCREASE
TO 40 KNOTS IN 48 HOURS AS THE VERTICAL SHEAR CURRENTLY IMPACTING
KYLE IS FORECAST TO SOON DECREASE.
FORECASTER LAWRENCE
FORECAST POSITIONS AND MAX WINDS
INITIAL 05/0900Z 32.0N 72.0W 30 KTS
12HR VT 05/1800Z 33.4N 72.1W 30 KTS
24HR VT 06/0600Z 34.6N 71.5W 35 KTS
36HR VT 06/1800Z 35.0N 70.0W 35 KTS
48HR VT 07/0600Z 35.0N 70.0W 40 KTS
72HR VT 08/0600Z 35.0N 70.0W 40 KTS
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