Tropical Storm Debby tracker, maps: Latest storm path

Tropical Storm Debby is threatening the Carolinas with major flooding and a second landfall as the slow-moving storm crawls north.

Here's what to expect:

On Wednesday morning, Tropical Storm Debby is sitting over the Atlantic, about 65 miles south of Charleston, South Carolina.

Slow-moving Debby has already dumped more than 17 inches of rain in Summerville, South Carolina, and at least 6 inches in Cary, North Carolina.

Another 6 to 10 inches of rain is forecast for South Carolina and North Carolina on Wednesday and Thursday.

A flood watch is in effect for Georgia, South Carolina, North Carolina and Virginia through Friday. Storm surge is also a threat in the Carolinas.

On Thursday, Debby is expected to make its second landfall in South Carolina and then move north into inland North Carolina and Virginia Thursday night into Friday.

Up to 6 inches of rain could slam Virginia, West Virginia, Pennsylvania and upstate New York as Debby moves north. Significant flooding is possible.

The heavy rain should clear the Northeast by late Saturday morning.