Met Office Issues Thunderstorm Warning for Gloucestershire Amid Flash Flood Risk Monday, May 12, 2025 gloucestershire thunderstorm flooding metoffice weatherwarning hail lightning rainfall severeweather forecast Gloucestershire is under a thunderstorm warning today, Monday, May 12, as the Met Office releases a 10-hour severe weather alert covering much of England and Wales. The warning is active from noon until 10pm, with the … Read More