Flooding From Hurricane Helene Caused Major Changes To The Nolichucky River Flowing Through Unicoi, Washington, And Greene Counties. Andrew Joyner, ETSU State Climatologist, Reports That The River’s Flow Was 160 Times Above Normal Levels, Causing Extensive Soil Erosion And New Silt Deposits. Rescue Teams Warn Of New Hazards Like Debris And Dangerous Rapids, Making River Travel Risky. Residents Are Urged To Avoid The River Until Recovery Efforts Finish And The Area Is Safe Again.