SVR STRM WRNG - LAGRANGE CNTY IN IN ST. JOSEPH CNTY IN MI UNTL 415P(315P) : AT 316P(216P) POLICE RPRTD A LN OF SVR STRMS WITH DMGG WINDS AND TREES DOWN IN CASS CNTY MI NR THE IN ST LN. THESE STRMS WERE ALONG A LN EXTENDING FROM 10 MI NW OF THREE RVRS TO 12 MI SW OF SHIPSHEWANA MVNG E AT 30.