Kate Hawley says she took that photo and the next one around 5 pm, after a lightning strike in the 17th/Myrtle vicinity (map):
As Kate describes it:
Our neighbor’s tree was struck by lightning and split the tree down the middle! The strike blew chunks of cedar all over the next door neighbor’s house and yard and all the way out into the street. The family was at home when it hit but no one was hurt, thankfully. The bedroom window was broken from the impact.