WWUS20 KWNS 220337 SEL7 SPC WW 220337 MNZ000-NDZ000-SDZ000-221000- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 327 NWS STORM PREDICTION CENTER NORMAN OK 1040 PM CDT SUN JUN 21 2015 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WEST CENTRAL MINNESOTA SOUTHERN NORTH DAKOTA NORTHERN SOUTH DAKOTA * EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1040 PM UNTIL 500 AM CDT. * PRIMARY THREATS INCLUDE... WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE A TORNADO OR TWO POSSIBLE SUMMARY...SEVERAL CLUSTERS OF INTENSE THUNDERSTORMS WILL AFFECT THE WATCH AREA FOR MUCH OF THE NIGHT. CLUSTERS MAY ORGANIZE INTO MULTIPLE BOWING LINES CAPABLE OF WIDESPREAD AND SIGNIFICANT WIND DAMAGE AS WELL AS LARGE HAIL. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST NORTHWEST OF BUFFALO SOUTH DAKOTA TO 55 MILES SOUTH SOUTHEAST OF DETROIT LAKES MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 324...WW 326... AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 28035. ...HART