More tornadoes are possible into Friday morning in Dixie Alley in the southern United States.
The worst of the severe weather overnight will be across the Southeast. Tornadoes have already touched down in Mississippi and Alabama on Thursday evening.
Thunderstorms will impact parts of Tennessee, Mississippi, Alabama and Georgia with damaging winds and flash flooding the main threats.
A couple of tornadoes are possible. Atlanta is in the threat area and will be impacted after midnight.
UPDATES: (All times are listed in CDT)
10:24 p.m. Thursday: Numerous roads are flooded in northern Franklin County, Tennessee, northwest of Chattanooga, emergency management reports.
10:15 p.m. Thursday: Tornado formed earlier Thursday evening near New Hope, Mississippi.
Video of the tornado forming in New Hope, MS at Hughes and Hildreth Road courtesy of viewer Aaron Boyd. pic.twitter.com/2BJrXQGghv— Robby Donoho (@RobbyDonoho) April 1, 2016
10:06 p.m. Thursday: More than 6,100 Entergy Mississippi customers are without power at this hour due to storms, the utility reports.
10:02 p.m. Thursday: Power outages are ongoing after a tornado-warned storm hit the Huntsville, Alabama, area.
Power outage - New Hope area from Cherry Tree Rd south to Marshall— Huntsville Utilities (@HSVUtilities) April 1, 2016
Co east of Highway 431. Crews en-route.
10:00 p.m. Thursday: Flash-flooding reported in Blount County, Alabama.
Sections of Mountain Woods Lake Road and Highway 160 are under water. Please avoid these areas.— Blount Co. AL EMA (@BlountEMA) April 1, 2016
9:46 p.m. Thursday: Tornado-warned storm in Blount County, Alabama.
943PM: Rotation continues to tighten near Locust Fork in Blount Co. Possible tornado. Storm is moving NE toward Allgood. #alwx— NWS Birmingham (@NWSBirmingham) April 1, 2016
9:40 p.m. Thursday: At least three tornadoes have touched down Thursday night in Alabama and Mississippi, emergency management officials told ABC 33/40.
9:33 p.m. Thursday: Tornado on the ground near Hartselle, Alabama, an NWS-trained spotter reports.
9:32 p.m. Thursday: Damage from a possible tornado in Millport, Alabama.
Home sufferers damage in Millport. No injuries reported after tornado swept through town. @abc3340 pic.twitter.com/I9PCprrmr3— Jennifer Edwards (@JenniferE3340) April 1, 2016