Mississippi, Alabama and Georgia bore the brunt of powerful weekend storms.
In Georgia, more than eight inches of rain fell in some areas, causing flash floods and the failure of a small section of a dam near Albany. Nearby residents were being encouraged to evacuate.
A spokesperson for the Georgia Emergency Management Agency (GEMA) said numerous other dams around southern Georgia are in danger of failing as well, but many are in rural areas. Some dam problems in Sumter and Houston Counties have prompted the evacuation of several families.
Other counties with flooded homes include Dooley and Candler County.
The Alabama National Guard evacuated 30 residents in Pittsview after heavy rain flooded one neighborhood. Emergency officials are saying numerous homes in Russell County are flooded right now. Up to seven inches of rain drenched parts of the state over the weekend.
Weather officials are also investigating whether a possible tornado touched down in Montgomery County, Ala.
Residents across Mississippi are cleaning up after high winds and hail wreaked havoc in several counties. Hindis County appears to be hardest hit at this point, according to state emergency management officials, but most of the damage appears to be downed trees. Two injuries from hail and falling tree limbs were reported in Yazoo County.
Across all three states, many roads are underwater and thousands are without power. The weather is also blamed for numerous car accidents, including a five car pileup on Interstate 85 in Georgia.
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