Information on update: Likelihood of impacts increased, warning area extended further north and east. Validity times also updated. Outbreaks of rain, heavy at times, will affect parts of southern and southwest England as well as southern and mid Wales from Monday afternoon, through Tuesday morning before clearing to heavy showers later on Tuesday. Rainfall totals are expected to reach 20-30 mm widely, with 50-80 mm likely across higher ground, especially Dartmoor, Exmoor and Bannau Brycheiniog (Brecon Beacons). With wet conditions prior to this period, the rain will fall onto saturated ground, accentuating flooding impacts in places. Strong southeasterly winds are also likely. For further details see https://www.metoffice.gov.uk/weather/warnings-and-advice/uk-warnings