SVR STRM WRNG - W CASS CNTY IN NORTH C IN UNTL 1030P : AT 931P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70. THIS SVR STRM WAS LOCATED 7 MI WEST OF ROYAL CENTER OR ABT 11 MI S OF WINAMAC AND MVNG SE AT 25.