SVR STRM WRNG - BLACKFORD CNTY IN IN UNTL 645P : AT 550P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG GOLF BALL SIZE HAIL. THIS SVR STRM WAS LOCATED 10 MI WEST OF HARTFORD CITY OR ABT 4 MI SW OF UPLAND AND MVNG E AT 20.