SVR STRM WRNG - ST. JOSEPH CNTY IN MI UNTL 615P : AT 427P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG DESTRUCTIVE WINDS IN EXCESS OF 70. THIS SVR STRM WAS LOCATED 5 MI S OF WHITE PIGEON OR ABT 13 MI SW OF STURGIS AND MVNG NE AT 55.