A Tornado Warning has been issued for Southeastern Barnwell County, South Carolina, until 5:15 PM EDT on October 10. A tornado-producing storm was confirmed near Barnwell, moving north at 25 mph, posing a critical threat to life and property. Residents are urged to take immediate cover. Source: National Weather Service. Post navigation Tornado Warning Issued for Southeastern Barnwell County, SC Tornado Warning Issued for Burke County, GA and Barnwell, SC