SEVERE THUNDERSTORM WATCH NUMBER 352

   SEL2          URGENT - IMMEDIATE BROADCAST REQUESTED     SEVERE THUNDERSTORM WATCH NUMBER 352     NWS STORM PREDICTION CENTER NORMAN OK     1245 PM PDT MON JUN 4 2012          THE NWS STORM PREDICTION CENTER HAS ISSUED A     SEVERE THUNDERSTORM WATCH FOR PORTIONS OF                  MUCH OF IDAHO            WESTERN MONTANA            EASTERN OREGON            EASTERN WASHINGTON          EFFECTIVE THIS MONDAY FROM 1245 PM UNTIL MIDNIGHT PDT.          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 105     STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHWEST OF     KALISPELL MONTANA TO 55 MILES SOUTHEAST OF ROME OREGON.  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 351...          DISCUSSION...POTENT MID/UPR LEVEL DISTURBANCE AND 70-100KT MID LEVEL     SPEED MAX CURRENTLY CROSSING NRN CA WILL TRANSLATE NEWD ACROSS PARTS     OF OR/WA/ID THROUGH LATE TONIGHT. RESULTING DYNAMIC LIFT WITH THIS     IMPULSE WILL ACT TO ENHANCE CONVECTIVE DEVELOPMENT ALONG A     WELL-ESTABLISHED AND STRENGTHENING N-S BAROCLINIC ZONE SITUATED     ACROSS ERN OR/WA. ORGANIZED FAST-MOVING TSTMS IN THE FORM OF     SUPERCELLS AND/OR LONGER-LIVED LINE SEGMENTS SHOULD EVOLVE AS     GREATER FORCING COINCIDES WITH STRONGER DIURNAL DESTABILIZATION     ACROSS THE REGION OVER THE NEXT SEVERAL HOURS. SOME OF THE MORE     ROBUST/ORGANIZED ELEMENTS OF CONVECTION COULD PRODUCE SEVERE HAIL     WHILE MOST OF THE STORMS MOVE NNEWD AT SPEEDS OF 50-60KT AND POSE A     THREAT OF DAMAGING WINDS.          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 350. MEAN STORM     MOTION VECTOR 19050.               ...CARBIN