WW 136 SEVERE TSTM KS OK 222225Z – 230400Z
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 136 NWS STORM PREDICTION CENTER NORMAN OK 525 PM CDT MON APR 22 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SRN KANSAS NORTHWESTERN OKLAHOMA * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 525 PM UNTIL 1100 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST OF GAGE OKLAHOMA TO 25 MILES NORTHEAST OF PONCA CITY OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... 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...STORMS ARE EXPECTED TO FORM PRIMARILY ALONG SWD SURGING FRONT OVER EXTREME SRN KS INTO NWRN OK. INITIAL STORMS COULD DEVELOP SUPERCELL STRUCTURES...BUT STORMS MAY EVENTUALLY EVOLVE INTO A SMALL CLUSTER OR LINE AS THEY CONTINUE SWD WITH A THREAT FOR BOTH ISOLATED DAMAGING WIND AND LARGE HAIL. 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 500. MEAN STORM MOTION VECTOR 27035. ...DIAL
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0136.html
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