Flash flood warning issued for Midlands Monday night caused by thunderstorms
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The NWS Columbia SC released a flash flood warning at 6 p.m. on Monday in effect until 9 p.m. The warning is for Aiken, Edgefield and McCormick counties.
"At 6 p.m., Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly," states the NWS. "Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas."
Locations impacted by the warning include North Augusta, Grovetown, Evans, Martinez, Belvedere, Fort Gordon, Augusta, Clearwater, Edgefield, Clarks Hill Recreation Area, Riverwood, J. Strom Thurmond Dam, Village Plaza Shopping Center, Augusta National Golf Club, Augusta Mall, Hamilton Branch State Park, Daniel Field, Summerville, Midtown and Glendale. This includes the following highways: Interstate 520 in South Carolina between mile markers 16 and 23. Interstate 20 in South Carolina between mile markers 0 and 13. Interstate 20 in Georgia between mile markers 182 and 201. Interstate 520 in Georgia between mile markers 1 and 8...and between mile markers 14 and 15.
The NWS adds, "Most flooding deaths occur in vehicles. Never drive through a flooded roadway or around barricades. Turn around, don't drown. Be aware of your surroundings and do not drive on flooded roads."
This warning is in effect until 9 p.m.
Protect yourself during a flood with these tips from the NWS
If you reside in a flood-prone area or you are camping in a low-lying area, move to higher ground. If told to evacuate, do so immediately. Lock your home before departing. If time allows, disconnect utilities and appliances. Avoid basements or rooms where water has submerged electrical outlets or cords. If you notice sparks or hear buzzing, crackling, snapping, or popping noises, evacuate immediately. Avoid any water that may be charged with electricity and do not attempt to walk through floodwaters. Even 6 inches of swiftly moving water can forcefully knock you off your feet. If you become trapped by moving water, seek the highest possible point and contact emergency services by calling 911.
During heavy rainfall, there is a risk of flooding, especially in low-lying and flood-prone areas. Remember to never drive through water on the road, even if it seems shallow. According to the NWS, as little as 12 inches of rapidly flowing water can carry away most cars.
What to do in the rain on the road?
- Turn on headlights - Even in daylight, using headlights can help improve visibility and let other drivers know where you are.
- While on the road - Opt for the middle lanes and remain on higher ground. Rainwater tends to gather along the road edges.
- Avoid puddles - Driving into puddles or low rainwater areas can lead to vehicles hydroplaning or losing control.
- Don't tail large vehicles closely - Trucks or buses can kick up a water spray that obstructs visibility.
- Steer clear of flooded areas - When coming to a flooded road, turn around and head back. Flash flooding currents are strong and can sweep drivers off roadways. Driving through deep water can also affect a vehicle's mechanical and electrical systems.
What is hydroplaning?
Hydroplaning is when a vehicle starts uncontrollably sliding on wet roads.
This happens when water in front of the tire builds up faster than the vehicle's weight can push water out of the way. The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control. The top three contributors to hydroplaning are:
- Vehicle speed - When a vehicle's speed increases, the tire-traction grip and ability to control the vehicle decreases. Drive at a reduced speed during wet weather.
- Water depth - The deeper the water, the sooner a vehicle loses traction on the road. It doesn't matter how deep the water is, even a thin layer can lead to hydroplaning.
- Tire tread depth - Checking your tire tread before hitting the road is important, as low or no tread can lead to sliding.
In the event of your vehicle hydroplaning, here's what to know:
- Ease off the accelerator - Step off the gas to slow down the vehicle until the tires find traction.
- Turn into the skid - Turning into the skid can help the vehicle's tires realign to regain control.
- Make sure the tires reconnect with the road - During the skid, wait until the tires reconnect with the road and then gently straighten the wheels to regain control.
- Brake gently as needed - Brake normally if the vehicle has anti-lock brakes and pump brakes gently if in an older vehicle.
Source: The National Weather Service
United Robots South Carolina
This story was originally published July 13, 2026 at 6:02 PM.