SEVERE THUNDERSTORM WATCH NUMBER 302

   SEL2          URGENT - IMMEDIATE BROADCAST REQUESTED     SEVERE THUNDERSTORM WATCH NUMBER 302     NWS STORM PREDICTION CENTER NORMAN OK     450 PM CDT SAT MAY 26 2012          THE NWS STORM PREDICTION CENTER HAS ISSUED A     SEVERE THUNDERSTORM WATCH FOR PORTIONS OF                  CENTRAL NEBRASKA          EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 450 PM UNTIL     1000 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 55     STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST OF     MULLEN NEBRASKA TO 20 MILES SOUTHEAST OF ONEILL NEBRASKA.  FOR A     COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE     UPDATE (WOUS64 KWNS WOU2).          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.          OTHER WATCH INFORMATION...CONTINUE...WW 300...WW 301...          DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING ALONG RETREATING     WARM FRONT OVER WESTERN NEB.  THESE STORMS WILL LIFT NORTHEASTWARD     ACROSS THE WATCH AREA THIS EVENING.  STEEP LOW/MID LEVEL LAPSE RATES     AND MODERATE INSTABILITY...COMBINED WITH FAVORABLE DEEP LAYER     EFFECTIVE SHEAR WILL POSE A RISK OF A FEW SUPERCELLS.  LARGE HAIL     AND DAMAGING WINDS ARE POSSIBLE IN THE STRONGEST STORMS.          AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT     TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60     KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM     MOTION VECTOR 24025.               ...HART