At 647 PM EDT, Doppler radar was tracking a strong thunderstorm over Red Bank, moving north at 5 mph. ...Boaters on Lake Murray Should Seek Safe Harbor... HAZARD...Wind gusts of 50 to 55 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, St. Andrews, Highway 6 at Lake Murray Dam, Red Bank, Oak Grove, South Congaree, Pine Ridge, Gaston, Harbison State Forest, Riverbanks Zoo, SC State Farmer's Market, Columbia Metro Airport, Dreher Island State Park, Ballentine, Pelion, and Gilbert. This includes the following highways... Interstate 126 between mile markers 0 and 2. Interstate 20 in South Carolina between mile markers 41 and 65. Interstate 26 between mile markers 98 and 123. Interstate 77 between mile markers 0 and 1.

At 626 PM EDT, Doppler radar was tracking a strong thunderstorm over Fort Jackson, or over Columbia, moving northeast at 10 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Columbia, West Columbia, Cayce, Irmo, Forest Acres, Springdale, St. Andrews, McEntire Air Base, Dentsville, Oak Grove, Arcadia Lakes, Lugoff, Hopkins, Villages at Sandhill, Columbia International University, Elgin, Horrel Hill, Killian, Harbison State Forest, and Riverbanks Zoo. This includes the following highways... Interstate 126 between mile markers 0 and 3. Interstate 20 in South Carolina between mile markers 61 and 94. Interstate 26 between mile markers 102 and 112. Interstate 77 between mile markers 2 and 37.