SEVERE THUNDERSTORM WATCH NUMBER 341

   SEL1          URGENT - IMMEDIATE BROADCAST REQUESTED     SEVERE THUNDERSTORM WATCH NUMBER 341     NWS STORM PREDICTION CENTER NORMAN OK     235 PM MDT SAT JUN 2 2012          THE NWS STORM PREDICTION CENTER HAS ISSUED A     SEVERE THUNDERSTORM WATCH FOR PORTIONS OF                  EASTERN COLORADO            WESTERN KANSAS            NORTHEAST NEW MEXICO            OKLAHOMA PANHANDLE            TEXAS PANHANDLE          EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 235 PM UNTIL     1000 PM MDT.          HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80     MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.          THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70     STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH     NORTHEAST OF LIMON COLORADO TO 10 MILES SOUTH SOUTHEAST OF     DALHART TEXAS.  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.          OTHER WATCH INFORMATION...CONTINUE...WW 340...          DISCUSSION...HIGH-BASED STORMS MOVING ACROSS THE FRONT RANGE AND     NERN NM MOUNTAINS WILL CONTINUE TO SPREAD EAST INTO A WARM AND     MODERATELY UNSTABLE AIRMASS ACROSS ERN CO/NERN NM/WRN KS AND THE     OK/TX PNHDLS. BAND OF MODEST WLY MID LEVEL FLOW ACCOMPANYING A WEAK     SHORT WAVE TROUGH...ATOP WEAK SELY LOW LEVEL FLOW...WILL CONTRIBUTE     TO SUFFICIENT DEEP SHEAR FOR STORM UPDRAFTS TO PERSIST. INITIAL     HAZARDS WILL LIKELY TAKE THE FORM OF STRONG TO SEVERE DOWNBURST     WINDS GIVEN EVAPORATIONAL COOLING INTO WARM TO HOT DEEPLY MIXED     SUB-CLOUD AIRMASS. WITH TIME...A FEW SUPERCELLS WITH HAIL MAY     DEVELOP. STORMS MAY MERGE LATER THIS AFTERNOON AND INTO THE EVENING     WITH ONE OR TWO SMALL CONVECTIVE COMPLEXES POSING A WIND THREAT     SPREADING EAST/SOUTHEAST INTO WRN KS AND/OR OK/TX PNHDLS.          AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT     TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70     KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM     MOTION VECTOR 26030.