At least five deaths, up to $2.5 billion in insured damage and more than 380,000 customers without power.
That's some of the effects of Dennis, now a tropical depression.
Four of the deaths happened in Florida, the fifth in Georgia.
One of the hardest hit areas was the village of St. Marks, Florida. The fishing village is 175 miles east of where Dennis roared ashore, but it was swamped by flood waters.
Elsewhere, the storm dumped up to eight inches of rain in 24 hours as it rolled across the South, forcing hundreds to evacuate.
Forecasters say the weather system can still generate flooding and tornadoes. It's produced rain as far north as Illinois.