Ripe For Hail, Damaging Winds, Isolated Tornadoes. NOAA SPC has issued a Severe Storm Watch until midnight, including Brainerd, Bemidji, Hibbing and Duluth. Details:

 URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 420 NWS STORM PREDICTION CENTER NORMAN OK 455 PM CDT THU JUL 18 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN MINNESOTA NORTHWEST WISCONSIN LAKE SUPERIOR * EFFECTIVE THIS THURSDAY AFTERNOON FROM 455 PM UNTIL MIDNIGHT CDT. * PRIMARY THREATS INCLUDE... SEVERAL SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE SEVERAL VERY LARGE HAIL EVENTS TO 3 INCHES IN DIAMETER POSSIBLE A FEW TORNADOES POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES SOUTHWEST OF BEMIDJI MINNESOTA TO 50 MILES NORTHEAST OF GRAND MARAIS MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). 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...THUNDERSTORMS ARE BEGINNING TO FORM ALONG THE COLD FRONT OVER NORTHERN MN. THIS ACTIVITY SHOULD TRACK EASTWARD ACROSS THE WATCH AREA THROUGH THE EVENING. A FEW SUPERCELLS AND BOW STRUCTURES ARE POSSIBLE WITH A RISK OF VERY LARGE HAIL AND DAMAGING WINDS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27035.