Debby spawns tornadoes, flooding from South Carolina to Georgia as tropical storm crawls through Southeast
Cities including Savannah, Georgia; Myrtle Beach, South Carolina; and Wilmington, North Carolina, are forecast to see more than a foot of rain through Thursday. Higher totals are possible in places like Charleston, South Carolina, where up to 2.5 feet of rain is not out of the question.
CHARLESTON, S.C. – Tropical Storm Debby is threatening coastal Georgia and the Carolinas as it slows down and potentially stalls over the Southeast. The storm could dump more than 2 feet of rain and cause catastrophic flooding.
After making landfall along Florida’s Big Bend on Monday morning as a Category 1 hurricane, Debby is forecast to move slowly northeastward. Debby already dumped more than 20 inches of rain, sent feet of storm surge flooding into Southwest Florida and knocked out power to more than 300,000 customers in Florida at the height of the storm. However, Debby is far from done.
President Joe Biden has declared an emergency exists in Georgia and ordered federal assistance to supplement state and local response efforts due to the emergency conditions caused by Debby.
NOAA’s Weather Prediction Center has issued a Level 4 flood risk, the highest threat on its scale, for Tuesday, Wednesday and Thursday in parts of southeastern Georgia, eastern South Carolina and southeastern North Carolina. The risk will only slowly shift north each day as Debby slowly meanders near the Southeast coast.
Tornadoes wreak havoc in South Carolina
A tornado hit the eastern side of Moncks Corner, South Carolina, on Monday evening. According to the emergency manager for Berkeley County, the tornado destroyed several businesses and damaged many others.
Several trees and power poles were blown down, some of which landed on cars. At least one car was flipped over.
“Roads are opened back up, just be careful in the area of Walmart,” Moncks Corner Mayor Thomas Hamilton said on social media. “The Walmart has some roof damage, so not sure when it will open back up. Arby’s took the most damage. No major injuries reported, some minor cuts.”
Tornado damage could be seen Tuesday morning across Edisto Beach, South Carolina, as Debby moved closer to the area. According to the Colleton County Sheriff’s Office, no injuries have been reported, but property damage and several power poles were down.
On Tuesday, Debby continued to dump rain on Parris Island, South Carolina. The U.S. Marine Corps said its recruit depot base in the area is under a shelter-in-place order, which means no one is allowed to move around the base.
And in Isle of Palms, South Carolina, police shared dramatic photos of damage caused by Debby.
The photos show flooded roads and debris after torrential rain and damaging winds moved through the area early Tuesday morning.
Georgia busy with swift water rescues
The Georgia Emergency Management and Homeland Security Agency said state officials conducted swift water rescues Tuesday morning after a car drove into a flooded area in Jeff Davis County.
On Tuesday, the National Weather Service issued several Flash Flood Warnings in southeastern Georgia and eastern South Carolina, where heavy rain will continue to drench the region throughout the day.
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Flood Watches are posted from Florida through North Carolina, including Raleigh, through Friday.
Where is Debby heading?
Debby’s core is forecast to head out into the Atlantic Ocean on Tuesday, which could allow it to strengthen again, but computer forecast models show it should remain a tropical storm.
Cities including Savannah, Georgia; Myrtle Beach, South Carolina; and Wilmington, North Carolina, are forecast to see more than a foot of rain through Thursday. Higher totals are possible in places like Charleston, South Carolina, where up to 2.5 feet of rain is not out of the question. This could cause possible life-threatening flooding and swell rivers beyond the flood stage.
In addition to the flooding rainfall, tropical-storm-force winds and a few tornadoes are also expected across the Southeast this week.
South Carolina Gov. Henry McMaster and Georgia Gov. Brian Kemp issued states of emergency ahead of Debby and instructed all residents to prepare for “significant rainfall.” Both governors have mobilized National Guard resources to respond to potentially extreme flooding impacts.
North Carolina Gov. Roy Cooper also declared a state of emergency on Monday afternoon.
On Monday, officials in Chatham County, which includes Savannah, enforced a curfew beginning at 10 p.m.
Flooding timeline for Georgia and the Carolinas
According to the National Hurricane Center (NHC), most computer models show Debby moving off the Southeast U.S. coast by late Tuesday before being pushed back inland over South Carolina on Thursday.
“Although the details of the track forecast are unknown, there is high confidence that Debby will move slowly while near or over the southeastern U.S., which will likely result in catastrophic flooding in some locations,” the NHC said.
The highest rainfall totals are expected through Thursday, with the most rain falling between now and Wednesday.
Savannah could see up to 18 inches of rain, with the most rain falling through Wednesday and peak wind gusts up to 60 mph possible.
Charleston is facing up to 4 feet of storm surge and nearly 2 feet of rain this week, with winds gusting between 40 and 60 mph through Thursday. Myrtle Beach could see gusts up to 60 mph through Tuesday and up to 18 inches of rain by Thursday.
“That is unprecedented. That is something that our system, despite having been tested before, that’s a level that not enough pumps in the world can address,” Charleston Mayor Williams Cogswell said. “It’s important for people to take this seriously and to stay home. Be safe. Do not venture out in these floodwaters.”