MESOSCALE DISCUSSION 1211, AREAS AFFECTED...ERN WI CONCERNING...SEVERE THUNDERSTORM WATCH 406

        MESOSCALE DISCUSSION 1211     NWS STORM PREDICTION CENTER NORMAN OK     0600 PM CDT MON JUN 18 2012          AREAS AFFECTED...ERN WI          CONCERNING...SEVERE THUNDERSTORM WATCH 406...          VALID 182300Z - 190000Z          THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 406     CONTINUES.          SUMMARY...SVR WEATHER THREAT CONTINUES FOR WW 406.          DISCUSSION...THUNDERSTORM CLUSTERS CONTINUE TO MOVE EWD AT UP TO 40     KT ACROSS ERN WI. SWLY LOW-LEVEL TRAJECTORIES CONTINUE TO MAINTAIN A     FEED OF MOIST/UNSTABLE AIR TO THIS ACTIVITY...WHILE STRONG     DEEP-LAYER WLY WIND FIELDS SUPPORT ORGANIZED CONVECTION POSING A     THREAT FOR DAMAGING WIND GUSTS/LARGE HAIL AND PERHAPS AN ISOLATED     TORNADO. AS ONGOING ACTIVITY MOVES OFFSHORE ACROSS LK     MI...ADDITIONAL STORM DEVELOPMENT ALONG TRAILING AGITATED CUMULUS     FIELD IS UNCERTAIN GIVEN SUBSIDENT LARGE-SCALE REGIME BEHIND UPPER     SHORTWAVE TROUGH. THEREFORE...CONTINUED CLEARANCE OF COUNTIES FROM     WW 406 BEHIND DEPARTING CONVECTION MAY BE JUSTIFIED.          ..GARNER.. 06/18/2012               ATTN...WFO...APX...MQT...GRB...MKX...ARX...          LAT...LON   44698938 45548636 44198636 43568970 44698938