If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. If on or near Lake Murray, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm.

At 605 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles southwest of Red Bank, moving northeast at 15 mph. ...Boaters on Lake Murray Should Seek Safe Harbor... HAZARD...Wind gusts 40 to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Columbia, Lexington, West Columbia, Cayce, Irmo, Forest Acres, Batesburg-Leesville, St. Andrews, Oak Grove, Highway 6 at Lake Murray Dam, Red Bank, Dentsville, South Congaree, Pine Ridge, Gaston, Arcadia Lakes, Columbia International University, Harbison State Forest, SC State Fair Grounds, and West Columbia Riverwalk. This includes the following highways... Interstate 126 between mile markers 0 and 3. Interstate 20 in South Carolina between mile markers 39 and 73. Interstate 26 between mile markers 101 and 125. Interstate 77 between mile markers 0 and 14.