Information on update: The warning area has been shrunk, removing parts of southern England. The likelihood of impacts has also been slightly reduced. Scattered heavy showers and thunderstorms are expected on Monday. Rainfall amounts will vary from place to place but 20-30 mm is possible within a couple of hours in a few places. Lightning strikes are also likely along with the potential for hail and gusty winds. Showers slowly dying out during Monday evening. For further details see https://www.metoffice.gov.uk/weather/warnings-and-advice/uk-warnings