There is a likelihood of scattered slow-moving heavy showers and thunderstorms developing in parts of Wales and southwest England on Saturday afternoon. While some areas may experience little to no rainfall, others could see 20-30 mm of rain in just an hour or two. In some locations, there is a slight chance that up to 40-50 mm of rain could fall due to repeated shower development. Showers and thunderstorms are expected to fade by Saturday evening.
To prepare, assess the risk of flash flooding in your location and consider creating a flood plan and emergency flood kit. Secure moveable objects and temporary structures, such as bins, garden furniture, trampolines, tents, gazebos, sheds, and fences, before gusty winds arrive. Check road conditions and transportation schedules to avoid delays. Gather essential items like torches, batteries, a mobile phone power pack, and other necessities to be ready for potential power cuts.
If caught outside during a thunderstorm, seek shelter in a safe enclosed area, like a car, and avoid trees or structures that may attract lightning. If on elevated ground, move to lower ground. Stay updated on changing weather warnings and forecasts from the Met Office to ensure your safety.