Damage reports, power outages due to severe weather in Horry County A tree came down along Highway 501 in Conway as severe weather moved through the Grand Strand and Pee Dee Monday night. (Source: Conway Police Department) By WMBF News Staff | May 3, 2021 at 7:53 PM EDT - Updated May 3 at 9:05 PM HORRY COUNTY, S.C. (WMBF) – A thunderstorm and hailstorm caused power outages and some damage as it blew through Horry County on Monday night. In Conway, crews worked to clear a tree that came down in the southbound lanes of Highway 501 near Conway High School. Drivers were told to avoid the area.