SVR STRM WRNG - CASS CNTY IN SW MI UNTL 845A : AT 742A NWS 88D INDCTD A LN OF SVR STRMS CAPBL OF PRDCNG DMGG WINDS IN EXCESS OF 60. THESE SVR STRMS WERE LOCATED ALONG A LN EXTENDING FROM 14 MI WEST OF DOWAGIAC TO NILES TO S BEND AND MVNG E AT 35.