Thunderstorms will continue across parts of the Midlands and into north Wales through the rest of Sunday afternoon and into the evening
Thunderstorms bringing torrential rain, frequent lightning and some hail have developed across the Midlands and north Wales and will continue to affect these areas through the rest of Sunday afternoon. These may run across highly urbanised areas with 30 mm in an hour in some places and perhaps 60-80 mm in 3 hours. The thunderstorms are expected to ease through Sunday evening.
This warning has been updated to remove Cornwall from the warning area.
Thunderstorms will continue to affect parts of Wales, southern and central England through Sunday and into Monday morning.
Thunderstorms will continue to develop over the southern half of the UK throughout Sunday with some of these persisting into Monday morning. Whilst many areas will see small amounts of rain a few locations may see some very large totals with 30 mm possible within an hour and perhaps up to 80 mm in 3 hours. Along with this hail and thunder are likely as well as some locally strong gusts. The most likely location for seeing these severe thunderstorms is over parts of east and north Wales and extending southeastwards into the West Midlands .
Thunderstorms may form across parts of Wales and southern England on Monday afternoon.
Further thunderstorms may form on Monday afternoon. Whilst many areas will miss these and see little or no rain any thunderstorms that do form are likely to be slow moving. These could give 25-35 mm of rain in less than an hour with the potential for 50-60 mm in 2-3 hours were separate storms to affect the same location. Lightning and hail may also be additional hazards.