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Click the link for a graphical depiction of the watch: http://www.spc.noaa.gov/products/watch/ww0837.html URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 837 NWS STORM PREDICTION CENTER NORMAN OK 925 PM EDT SUN OCT 23 2005 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN FLORIDA COASTAL WATERS EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 925 PM UNTIL 1100 AM EDT. TORNADOES...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES EITHER SIDE OF A LINE FROM 45 MILES WEST NORTHWEST OF ORLANDO FLORIDA TO 80 MILES SOUTH OF MIAMI FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 836. WATCH NUMBER 836 WILL NOT BE IN EFFECT AFTER 925 PM EDT. DISCUSSION...HURRICANE WILMA WILL BE CROSSING SRN FL LATER TONIGHT AND MON AM. STRONG SHEAR ALREADY IN PLACE ACROSS SRN FL AND WILL ONLY INCREASE AS WILMA APPROACHES. WITH 0OZ SRN FL SOUNDINGS INDICATING A MDTLY UNSTABLE TROPICAL AIR MASS...THE TORNADO POTENTIAL EXPECTED TO INCREASE REMAINDER OF THE NIGHT AS SHEAR BECOMES VERY STRONG. THE FORECAST MAXIMUM WIND GUSTS AND MEAN CELL MOTION APPLY TO SEVERE THUNDERSTORMS OUTSIDE THE HURRICANE EYEWALL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 18045. |