Overview

• The National Weather Service issued a tornado warning through 4 PM CDT on June 4 for a thunderstorm over Bridgeton moving northeast at 20 mph.
• Radar data showed rotation within the storm, indicating a potential tornado capable of hurling debris and damaging homes and vehicles.
• The alert covers dozens of communities across St. Louis City, St. Louis County and St. Charles County.
• Social media videos captured a funnel cloud approaching Chesterfield even though hail size remained below one inch.
• Residents are urged to seek an interior room on the lowest floor of sturdy buildings and avoid windows, vehicles and mobile homes.