Large chunk of the discussion here from MLB containing some interesting information on the effects of Wilma, including possible expansion in wind field.
WX TOTALLY DEPENDANT UPON TRACK/SIZE/TIMING OF TC WILMA. WHILE NHC FORECAST TRACK INDICATES POTENTIAL LANDFALL ALONG SW FLORIDA COAST LATE SUNDAY AND EXITING SE COAST EARLY MONDAY. MODEL GUIDANCE CONTINUES TO DISPLAY LARGE RUN TO RUN INCONSISTENCY...WITH MOST RECENT NUMERICAL MODEL GUIDANCE AGAIN SUGGESTING AN EVEN SLOWER FORWARD MOTION...WITH POSSIBILITY OF STALL NEAR/OVER YUCATAN. LATE AFTERNOON FORECAST PACKAGE BASED ON 15Z NHC FORECAST. THIS FORECAST SUGGESTS GREATEST IMPACT FROM ABOUT SUNSET SUNDAY TO SUNRISE MONDAY...HOWEVER LATER FORECASTS WILL LIKELY RESULT IN ADDITIONAL ADJUSTMENTS TO TIMING.
DURATION OF POTENTIAL SIGNIFICANT WX EXPECTED TO LAST 6-10 HOURS BASED ON FORWARD MOTION OF 15-20 MPH ACROSS PENINSULA. INTERACTION OF TC WITH STRONG MID LATITUDE TROUGH/FORCING...SUGGESTS TC WILL BEGIN TRANSITION TO HYBRID/EXTRATROPICAL SYSTEM NEAR THE TIME SYSTEM EXITS ATLANTIC COAST. AS THIS PROCESS OCCURS...WIND FIELDS WILL EXPAND AND THEREFORE AFFECT A LARGER GEOGRAPHIC AREA. SO...WHILE TC MAY WEAKEN TO CATEGORY ONE HURRICANE BY THE TIME IT REACHES EAST COAST...EFFECTS OF TROPICAL STORM WINDS COULD AFFECT MUCH/ALL OF CWA IF SYSTEM TRACKS NEAR LAKE OKEECHOBEE OR FURTHER NORTH. TORNADO THREAT MAY MATERIALIZE DURING THE DAY SUNDAY IN ADVANCE OF THE TC CORE AND IN ASSOCIATION WITH OUTER RAINBANDS. RATHER FAST FORWARD MOTION OF TC SHOULD LIMIT WIDESPREAD EXCESSIVE RAINS...ALTHOUGH AREAS WHICH EXPERIENCE REPEAT RAINS OVER NEXT FEW DAYS MAY BECOME VULNERABLE TO LOCAL FLOODING ALONG EVENTUAL TC TRACK. ALL CENTRAL FLORIDA INTERESTS SHOULD CONTINUE TO STAY UP TO DATE WITH THE LATEST FORECASTS CONCERNING THIS POTENTIALLY DANGEROUS THREAT.
-------------------- "Climate is what you expect, weather is what you get"
- Robert A. Heinlein
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