Tropical Storm Debby live updates: South Carolina forecast for storm's 2nd landfall

Tropical Storm Debby is slamming the Carolinas with heavy rain after making landfall in Florida as a Category 1 hurricane on Monday.

At least six people have been killed in Florida and Georgia from the slow-moving storm.

Latest Developments

_{Aug 7, 8:34 AM}

Latest forecast

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.

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_{Aug 7, 6:02 AM}

Debby’s winds at 45 mph ahead of expected 2nd landfall Thursday

Tropical Storm Debby’s winds slightly strengthened early Wednesday, rising to about 45 mph, as the storm moved over warm water in the Atlantic about 65 miles from the coast of Charleston, South Carolina.

Debby is expected to remain a tropical storm into Thursday, when it’s forecast to make a second landfall in South Carolina.

The National Hurricane Center said it expects the storm to not strengthen much more, maybe rising up to about 50 mph ahead of that landfall.

The storm is then forecast to continue inland overnight into Friday, with its winds slowing as it travels through North Carolina and into Virginia.

-ABC News’ Max Golembo

_{Aug 6, 11:18 PM}

Debby is slowly moving eastward offshore

Tropical Storm Debby is slowly moving eastward offshore the coasts of Georgia and South Carolina.

Debby is moving east at 5 mph while max sustained winds remain at 40mph, with its center currently about 50 miles east of Savannah, Georgia, as of 11 p.m. ET.

Tornado Watch remains in effect across eastern South Carolina and North Carolina, from Myrtle Beach to Morehead City until 1 a.m. ET.

Flood Watches remain in effect from Georgia to Virginia as bands of heavy rain will continue through the night.

Debby will be back over open water tonight and could gain a bit more strength over the next 24 hours, but is forecast to remain at tropical storm intensity.

A second landfall is expected in South Carolina Wednesday evening or early Thursday morning.

ABC News' Melissa Griffin

_{Aug 6, 5:44 PM}

6 killed including 2 kids

At least six people have been killed from Debby, authorities said.

A 13-year-old boy was killed when a tree fell on a mobile home Monday morning in Levy County, Florida, which encompasses Cedar Key, according to the Levy County Sheriff’s Office.

"Our thoughts and prayers are with this family as they deal with this tragedy," the sheriff’s office said in a statement. "We encourage everyone to use extreme caution as they begin to assess and clean up the damage. Downed powerlines and falling trees are among the many hazards."

In Hillsborough County, Florida, which encompasses Tampa, a driver of a semi was killed when the truck went into a canal off Interstate 275 Monday morning, according to the Hillsborough County Sheriff's Office.

Deputies recovered the semi and found the driver dead inside the cab, authorities said.

In Dixie County, Florida, a driver “lost control due to the inclement weather and wet roadway” on Sunday night, crashing into the center median guardrail and then overturning the car, the Florida Highway Patrol said.

The driver, a 38-year-old woman, and a passenger, a 12-year-old boy, were killed, authorities said.

Another passenger, a 14-year-old boy, was seriously injured, the highway patrol said.

In Gulfport, Florida, a 48-year-old man died after he tried to ride out the storm on his sailboat which was anchored off Gulfport’s Veteran’s Park, police said, according to ABC Tampa affiliate WFTS.

In Moultrie, Georgia, a 19-year-old man was struck and killed by a fallen tree while he was inside a home on Monday, according to Moultrie police.

_{Aug 6, 5:35 PM}

What to expect Tuesday evening

Debby is moving at just 3 mph, with its center located about 10 miles east of Savannah, Georgia, as of 5 p.m. ET.

Tornadoes are possible in South Carolina and North Carolina on Tuesday night.

After a day of heavy rainfall, the coastal cities of Savannah and Charleston, South Carolina, could see a few more inches of rain this week. Both cities are under flash flood warnings.

But going forward, the worst of the rain will be focused further north. Myrtle Beach, South Carolina; Wilmington, North Carolina; and Lumberton, North Carolina, are forecast to get hit the hardest over the next 24 to 36 hours.

_{Aug 6, 5:07 PM}

More than 1,100 flights canceled

More than 1,100 flights have been canceled within, into or out of the U.S. on Tuesday as Debby slams the Southeast and thunderstorms strike the Northeast. Ground stops are in place at the New York City area's three airports.

_{Aug 6, 3:23 PM}

South Carolina braces for severe flooding

The threat of severe flooding is very high across South Carolina with Tropical Storm Debby "creeping across our state," South Carolina Gov. Henry McMaster warned on Tuesday.

The rain from the slow-moving storm may be particularly heavy from Myrtle Beach to the North Carolina border, the governor said.

Forty-eight state roads are closed due to flooding and 50 high-water vehicles are at the ready to respond, he said.

_{Aug 6, 3:17 PM}

Latest forecast

The highest rain total so far is south of Tampa, Florida, where about 19 inches of rain fell.

In Georgia, more than 11 inches of rain struck northwest of Savannah, and in South Carolina, 14 inches of rain was recorded between Charleston and Hilton Head Island.

On Tuesday afternoon, Debby is located about 10 miles southeast of Savannah and is crawling north at a very slow speed.

The heavy rain will stretch from Charleston to Wilmington, North Carolina, on Tuesday. Storm surge could reach 4 feet from Savannah to Cape Fear, North Carolina, and tornadoes are possible.

Flash flood warnings are in effect for Savannah, Charleston and Myrtle Beach, South Carolina. Rainfall rates could reach 1 to 2 inches per hour during the heaviest downpours, which will bring more flooding.

The worst of the rain is expected along the South Carolina-North Carolina border through Thursday evening. A rare "high risk" for flash flooding was issued from Charleston to Raleigh, North Carolina, where rain totals could climb to 25 inches through Thursday.

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_{Aug 6, 1:54 PM}

More than 90,000 customers without power in Florida

More than 90,000 customers remain without power in Florida, more than 24 hours after Debby tore through the state.

"Restoration is taking longer in areas with flooding and heavy vegetation, as crews must wait for the water to recede and clear through debris before they can restore power," Florida Power & Light said Tuesday morning. "Rest assured, we’ll continue working until everyone who can safely receive power is restored. Avoid these flooded areas and stay away from downed power lines."

_{Aug 6, 10:39 AM}

Charleston’s curfew extended as city faces flash flood warning

A curfew in Charleston, South Carolina, has been extended to 7 a.m. Wednesday as the flood-prone city braces for potentially life-threatening flooding.

"Residents are advised to stay off the roads unless there is an urgent emergency," the Charleston Fire Department said.

Charleston is under a flash flood warning. Up to 1 foot of rain has already fallen in the city, with more to come.

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