SVR STRM WRNG - N LA PORTE CNTY IN NW IN BERRIEN CNTY IN SW MI UNTL 800A(700A) : AT 602A 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 35 MI NW OF LONG BEACH TO 4 MI NW OF WESTVILLE AND MVNG E AT 50.