A severe thunderstorm warning was issued by the National Weather Service in Greenville-Spartanburg at 6:47 p.m. on Monday, June 29. This warning applies to Rutherford, Cherokee, and Spartanburg counties. Meteorologists warn of winds as strong as 60 mph. Use caution, officials warn of hail as large as 1 inch. The NWS warns: "For your protection move to an interior room on the lowest floor of a building.