SVR STRM WRNG - S GRANT CNTY IN C IN BLACKFORD CNTY IN E C IN UNTL 730P : AT 631P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG GOLF BALL SIZE HAIL AND DMGG WINDS IN EXCESS OF 60. THIS SVR STRM WAS LOCATED NR SWAYZEE OR ABT 11 MI WEST OF MARION AND MVNG E AT 55.