Severe Thunderstorm Watch 411

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Hazard Tornadoes EF2+ Tornadoes Likelihood Low Very Low Severe Wind 65 kt+ Wind Moderate Low Severe Hail 2"+ Hail Moderate Low Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended. Note: Click for Watch Status Reports. SEL1 URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 411 NWS STORM PREDICTION CENTER NORMAN OK 355 PM CDT FRI JUL 12 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN AND WESTERN MINNESOTA EASTERN NORTH DAKOTA NORTHEAST SOUTH DAKOTA * EFFECTIVE THIS FRIDAY AFTERNOON FROM 355 PM UNTIL MIDNIGHT CDT. * PRIMARY THREATS INCLUDE... SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE A FEW TORNADOES POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES WEST NORTHWEST OF INTERNATIONAL FALLS MINNESOTA TO 20 MILES SOUTH SOUTHWEST OF WATERTOWN SOUTH DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). 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. && DISCUSSION...SLIGHTLY ELEVATED TSTMS NOW OVER NE ND EXPECTED TO CONTINUE EWD AND STRENGTHEN/BUILD SWD LATER THIS EVE AS ACTIVITY ENCOUNTERS AIR PARCELS ARRIVING FROM AREA THAT HAS BEEN MORE STRONGLY HEATED FARTHER S AND E. 40-50 KT WKLY DEEP SHEAR SHOULD PROMOTE A FEW SUSTAINED STORMS/SUPERCELLS. THESE MAY EVOLVE INTO SHORT EWD-MOVING BANDS...WITH ASSOCIATED LEWPS/SMALL BOWS POSING A RISK FOR DMGG WIND...SVR HAIL...AND PERHAPS A TORNADO OR TWO. FARTHER S...OTHER STORMS EXPECTED TO FORM A BIT LATER WITH CONTINUED SFC HEATING ALONG/AHEAD OF NNE-SSW PRE-FRONTAL TROUGH OVER CNTRL/NE SD. WHILE DEEP SHEAR IS SOMEWHAT WEAKER THAN FARTHER N...IT MAY PROVE SUFFICIENT FOR DMGG WIND...SVR HAIL...AND PERHAPS A TORNADO AS THE STORMS DRAW ON MORE SUBSTANTIAL SFC-BASED INSTABILITY/LOW-LVL INFLOW EXPECTED OVER REGION THROUGH MID-LATE EVE. 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 500. MEAN STORM MOTION VECTOR 26030.