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The National Weather Service has issued a Severe Thunderstorm Watch for Northeast Tennessee and Southwest Virginia until 11 p.m.
According to the NWS in Morristown, showers and thunderstorms will redevelop this afternoon and evening with some storms becoming severe with damaging winds, large hail and locally heavy rainfall.
Localized flash flooding is possible later today and tonight.
The weather services also said an isolated tornado may be possible.