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TROPICAL DEPRESSION KYLE DISCUSSION NUMBER 42
NATIONAL WEATHER SERVICE MIAMI FL
11 PM EDT MON SEP 30 2002
OVERALL APPEARANCE OF KYLE SLIGHTLY BETTER THAN THIS AFTERNOON. A
RECENT BURST OF DEEP CONVECTION HAS DEVELOPED NEAR THE SURFACE
CENTER...ALTHOUGH NORTHERLY WINDS ALOFT CONTINUE TO SHEAR THIS
CONVECTION. THE INITIAL INTENSITY REMAINS 30 KT FOR THIS ADVISORY.
IN AGREEMENT WITH AIR FORCE GLOBAL WEATHER DVORAK CLASSIFICATION AND
SLIGHTLY LESS THAN BOTH TAFB AND SAB ESTIMATES.
AT THIS TIME...KYLE IS FORECAST TO REMAIN A DEPRESSION AS IT DRIFTS
VERY SLOWLY SOUTHWEST OVER THE NEXT 72 HOURS IN A WEAK STEERING
ENVIRONMENT. DUE TO CONTINUED DIFFICULTY IN PINPOINTING THE
CIRCULATION CENTER...BOTH FUTURE TRACK AND INTENSITY REMAIN A BIT
UNCERTAIN. GFDL IS SOLE DYNAMIC MODEL INDICATING A WESTWARD
MOTION...ALBEIT VERY SLOW...THROUGH 72 HOURS. BOTH UKMET AND AVN
BOTH INDICATING A SLOW EASTWARD MOTION WHILE THE NAVY NOGAPS MODEL
INDICATES A SOUTHWARD DRIFT TO THE SYSTEM OVER THE NEXT THREE DAYS.
SHOULD THE CIRCULATION BECOME BETTER ORGANIZED IN THE VERTICAL..KYLE
WOULD LIKELY TRACK WEST OR WEST-SOUTHWEST BENEATH A STRONG MIDDLE
LEVEL RIDGE TO ITS NORTH. OTHERWISE THE SYSTEM COULD BE EXPECTED TO
REMAIN NEARLY STATIONARY AS STEERING FOR IT...WILL REMAIN WEAK.
DUE TO THE CONTINUED UNCERTAINTY IN THE FORECAST...THE BERMUDA
WEATHER SERVICE WILL CONTINUE A TROPICAL STORM WATCH AT THIS TIME.
FORECASTER LAWRENCE/HOLWEG
FORECAST POSITIONS AND MAX WINDS
INITIAL 01/0300Z 27.4N 67.1W 30 KTS
12HR VT 01/1200Z 27.3N 67.2W 30 KTS
24HR VT 02/0000Z 27.1N 67.4W 30 KTS
36HR VT 02/1200Z 27.0N 67.6W 30 KTS
48HR VT 03/0000Z 27.0N 67.7W 30 KTS
72HR VT 04/0000Z 27.0N 67.8W 30 KTS
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