SPC Tornado Watch 730
Tue, 26 Oct 2010 20:05:04 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 730 NWS STORM PREDICTION CENTER NORMAN OK 805 PM CDT TUE OCT 26 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF PARTS OF CENTRAL AND NORTHEAST ALABAMA NORTHERN GEORGIA EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 805 PM UNTIL 200 AM CDT. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST SOUTHWEST OF BIRMINGHAM ALABAMA TO 45 MILES NORTH NORTHEAST OF ATHENS GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). 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 728. WATCH NUMBER 728 WILL NOT BE IN EFFECT AFTER 805 PM CDT. CONTINUE...WW 726...WW 727...WW 729... DISCUSSION...QUASI-STATIONARY BAND OF TRAINING STORMS WILL LIKELY PERSIST FOR SEVERAL MORE HOURS AS THE SYNOPTIC FRONT STALLS WITH DEEP-LAYER FLOW PARALLEL TO THE BOUNDARY. DESPITE THE LOSS OF SURFACE HEATING...BOUNDARY LAYER DEWPOINTS IN THE UPPER 60S AND A CONTINUATION OF A 40 KT SWLY LLJ WILL MAINTAIN SUFFICIENT INSTABILITY AND LOW-LEVEL SHEAR FOR AN EMBEDDED SUPERCELL AND TORNADO THREAT. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26035. ...THOMPSONRead more
SPC Tornado Watch 730 Status Reports
Tue, 26 Oct 2010 20:05:12 -0500
STATUS FOR WATCH 0730 HAS NOT BEEN ISSUED YETRead more
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