URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 51 NWS STORM PREDICTION CENTER NORMAN OK 945 AM CDT SAT MAR 19 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST KANSAS EXTREME WESTERN MISSOURI NORTHERN OKLAHOMA EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 400 PM CDT. HAIL TO 2 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 85 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST SOUTHWEST OF WICHITA KANSAS TO 25 MILES EAST NORTHEAST OF JOPLIN MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). 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...THUNDERSTORMS HAVE BEEN INCREASING IN COVERAGE AND INTENSITY OVER NORTHERN OK/SOUTHERN KS THIS MORNING AS A SHORTWAVE TROUGH OVER CO/NM APPROACHES. STEEP MID LEVEL LAPSE RATES AND SUFFICIENT ELEVATED CAPE WILL PROMOTE A RISK OF HAIL IN STRONGER CELLS THROUGH MID AFTERNOON.
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