SVR STRM WRNG - JAY CNTY IN E C IN UNTL 800P : AT 727P NWS 88D INDCTD A SVR STRM CAPBL OF PRDCNG NICKEL SIZE HAIL AND DMGG WINDS IN EXCESS OF 60. THIS SVR STRM WAS LOCATED NR PENNVILLE OR ABT 6 MI NE OF DUNKIRK AND MVNG E AT 45.