SVR STRM WRNG - N BRANCH CNTY IN SW MI UNTL 945A : AT 842A 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 6 MI WEST OF UNION CITY TO 15 MI SW OF UNION CITY AND MVNG E AT 45.