Rain, flooding possible in parts of NC, SC this week



A graph from the National Hurricane Center shows the track of Tropical Storm Fred at 4 p.m. Sunday.

National Hurricane Center

Parts of the Carolinas could see heavy rain, flooding and strong winds as the remnants of Tropical Storm Fred and thunderstorms move through the region this week.

Tropical Storm Fred was about 190 miles west-southwest of Tampa, Florida, with maximum sustained winds of 45 mph at 5 p.m. Sunday. His remains could bring heavy rainfall and possible flooding to western North and South Carolina until midweek, according to the National Hurricane Center.

But parts of the Carolinas could also see thunderstorms, which could bring dangerous weather conditions to some areas, earlier in the week, forecasters said.

Here is the forecast for around the Carolinas.

Western North Carolina and Piedmont and Northern South Carolina: Thunderstorms “scattered over many” are available from Sunday afternoon and into the evening, according to the National Weather Service. Some storms could last until the early hours of the morning.

“Some of these storms could get quite strong and produce large hail, heavy rain and damaging winds,” the weather service said.

Periods of heavy rainfall could pose a risk of flash flooding, and most of the region is under a slight risk of excessive rainfall, according to the NWS office in Greenville-Spartanburg. Storms should be slow and could also bring “torrential downpours”.

South Carolina Midlands Region: NWS Columbia office says showers and thunderstorms could spread to the area until Sunday evening, with locally heavy rains possible.

Central North Carolina: Thunderstorms “scattered locally to many” on Sunday and Monday could bring local heavy rains and flooding, according to the weather service.

“Heavy rains could lead to localized flooding Monday through Wednesday,” the NWS said.

Eastern North and South Carolina: Slow thunderstorms are possible and could cause localized flash floods from Sunday afternoon until evening in northeastern North Carolina, according to the NWS. Heavier precipitation and flooding are possible on Monday and Tuesday.

The NWS headquarters in Newport / More, which covers eastern North Carolina, says “a few morning storms could appear along the Crystal Coast by mid-morning” Sunday with more “general activity” possible in the afternoon.

The Wilmington office, which covers southeastern North Carolina and northeastern South Carolina, says there is 50 to 60 percent risk of showers and thunderstorms inland and 30 to 40% chance on the coast. The odds are expected to increase on Sunday afternoon and decrease on Sunday evening.

The Charleston, South Carolina office says precipitation is possible over the next few days, with 3 to 4 inches possible until Thursday morning in some areas.

Flood advisories have been issued for parts of the area Sunday afternoon.

Fred’s remains could then bring between 3 and 6 inches of rain across western North and South Carolina through Tuesday, according to the National Hurricane Center. Precipitation could lead to “impacts of regional, urban, small stream and river flooding.”

“Isolated maximum storm totals of 9 inches are expected due to the combination of Fred and a previous frontal limit,” the hurricane center said.

The NWS says the tropical humidity associated with Fred’s remains is expected to produce “periodic heavy rains” through midweek.

“The threat of flooding will increase steadily on Monday as showers and thunderstorms wet the ground,” the NWS said. “Right now, the greatest potential for excessive rain appears to be Tuesday and Tuesday evening as residual circulation from Fred moves north to west of the region. This could pose a threat of flash flooding, especially in areas that receive multiple rounds of heavy rainfall. “

Fred had gotten stronger on a Sunday and was moving north, northwest at 10mph by 5pm. It is expected to cross the central and eastern Gulf of Mexico on Sunday and Monday and into the deep south early in the week.

This story was originally published August 15, 2021 12:21 pm.

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Bailey Aldridge is a reporter who covers real-time news in North and South Carolina. She graduated in journalism from the University of North Carolina at Chapel Hill.

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