An updated tornado warning was released by the National Weather Service on Saturday at 1:41 p.m. in effect until 2 p.m. for Marion County.

UPDATE: Tornado Warning CANCELED for Limestone County. The NWS issued a Tornado Warning for northern Limestone County until 3:30 p.m. Saturday. At 306 PM CDT, a severe thunderstorm capable of producing a tornado was located 9 miles northwest of Athens, moving northeast at 35 mph.

The National Weather Service has issued a tornado warning for Knox, Anderson, Loudon and Roane counties until 8:45 p.m. March 15.

The dangerous outbreak will continue to sweep through the South and East through the weekend. Saturday could be one of the worst severe weather days of the year.

An "outbreak" of tornadoes and severe thunderstorms is expected through Saturday night in Alabama, Mississippi, Louisiana, and other southern states.

On this page, you'll find maps below that will help to track the severe weather outbreak as it unfolds. Check back throughout the event, as these maps will update frequently with

We all hear the terms when there's a threat of severe weather. But what does each alert mean, and how does it affect you?

WVTM 13 LIVE DOPPLER RADAR | UPLOAD YOUR WEATHER PHOTOS | WAYS TO STAY SAFE | GET WEATHER NOTIFICATIONS WVTM 13 meteorologists are tracking a severe weather outbreak in Alabama Saturday with the chance of "long-track and potentially violent" tornadoes,