SVR STRM WRNG - GRANT CNTY IN IN UNTL 315A : AT 239A NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG PENNY SIZE HAIL AND DMGG WINDS IN EXCESS OF 60. THIS SVR STRM WAS LOCATED 10 MI SW OF SWAYZEE OR ABT 7 MI S OF GREENTOWN AND MVNG NE AT 55.