SVR STRM WRNG - NW ELKHART CNTY IN IN CASS CNTY IN MI UNTL 715P : AT 618P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG NICKEL SIZE HAIL AND DMGG WINDS IN EXCESS OF 60. THIS SVR STRM WAS LOCATED 10 MI SW OF EDWARDSBURG OR ABT OVER GEORGETOWN AND MVNG NE AT 65.