SVR STRM WRNG - MARSHALL CNTY IN IN S ST. JOSEPH CNTY IN IN UNTL 300P : AT 216P NWS 88D INDCTD A LN OF SVR STRMS ALONG A LN EXTENDING FROM 13 MI NW OF WALKERTON TO 7 MI WEST OF WALKERTON TO 14 MI WEST OF CULVER MVNG E AT 45.