ATLANTA (AP) — Most of Georgia is under a flood watch as thunderstorms roll across the state.

More than 50 counties in south Georgia early Wednesday morning are under a tornado watch as thunderstorms continue in many parts of the state.

In metro Atlanta, the National Weather Service issued a flood warning for areas along Big Creek near Alpharetta, where minor flooding is expected.

In northwest Georgia, emergency managers are reporting trees and power lines down in Whitfield and Murray counties.

Across the South, severe storms killed at least four people, flipped over cars, knocked out power to thousands and damaged several homes and businesses.

In Mississippi, Gov. Phil Bryant declared an emergency for two southeastern counties where officials say four people died in the storms and as many as 50 people were hurt.