Note: This story was updated at 6:55 p.m. with a new tornado warning.

A tornado watch is in effect for the northern half of East Tennessee—including Anderson, Knox, and Roane counties—through 8 p.m., and there is a chance of severe thunderstorms near Oak Ridge through midnight, the National Weather Service said.

Update: A tornado warning was issued at 6:26 p.m. for southern Campbell County, Scott County, and northwestern Anderson County. It’s in effect through 7:15 p.m., and it applies to Lake City and Rosedale in Anderson County, as well as LaFollette, Caryville, and Jacksboro in Campbell County, and Huntsville and Oneida in Scott County. (The tornado warning has since been extended to 7:45 p.m.)

Radar showed a severe thunderstorm capable of producing a tornado. The dangerous storm was located over Helenwood, about eight miles south of Oneida, and moving southeast at 35 mph, the NWS said.

People in the affected areas should take cover now, moving to a basement or interior room on the lowest floor of sturdy building. Windows should be avoided. If in a mobile home or outdoors, move to the closest substantial shelter and protect yourself from flying debris. [Read more…]