SPC Severe Thunderstorm Watch 697
Sun, 10 Oct 2010 19:00:03 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 697 NWS STORM PREDICTION CENTER NORMAN OK 530 PM CDT SUN OCT 10 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTHWEST OKLAHOMA WESTERN NORTH TEXAS EFFECTIVE THIS SUNDAY AFTERNOON FROM 530 PM UNTIL MIDNIGHT CDT. HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES EAST SOUTHEAST OF OKLAHOMA CITY OKLAHOMA TO 50 MILES SOUTHWEST OF ALTUS OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. DISCUSSION...ISOLATED THUNDERSTORMS ARE EXPECTED TO INTENSIFY ALONG AND SOUTH OF THE SURFACE BOUNDARY OVER WESTERN OK...AND TRACK SLOWLY EASTWARD ACROSS THE WATCH AREA. STEEP MID LEVEL LAPSE RATES AND MLCAPE OF 1000-1500 J/KG WILL COMBINE WITH SUFFICIENT EFFECTIVE SHEAR FOR ISOLATED SUPERCELLS. LARGE HAIL APPEARS TO BE THE MAIN THREAT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 25025. ...HARTRead more
SPC Severe Thunderstorm Watch 697 Status Reports
Sun, 10 Oct 2010 19:00:05 -0500
STATUS FOR WATCH 0697 HAS NOT BEEN ISSUED YETRead more
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