SVR STRM WRNG - ST. JOSEPH CNTY IN MI UNTL 715P : AT 639P NWS 88D INDCTD A LN OF SVR STRMS CAPBL OF PRDCNG NICKEL SIZE HAIL AND DMGG WINDS IN EXCESS OF 60. THESE SVR STRMS WERE LOCATED ALONG A LN EXTENDING FROM 11 MI NORTH OF THREE RVRS TO 5 MI NW OF THREE RVRS TO 7 MI WEST OF CONSTANTINE AND MVNG E AT 55.