The Met Office has issued a yellow weather warning for heavy rain and thunderstorms for parts of Wales. Heavy rain and thunderstorms will move across the country, and are likely to lead to some transport disruption on Tuesday morning.
The warning says: An area of heavy rain and thunderstorms will move northeastwards during Tuesday morning. This will bring 10-20 mm in 1 hour to many places within the warning area but a smaller corridor of torrential rain giving 30-40 mm in 1-2 hours in places accompanied by frequent lightning and gusty winds."
The warning is in place until 10:30am on Tuesday, June 20, and primarily covers the south east of the country. An earlier warning had been issued for England and Monmouthshire before being extended east to cover more of Wales.
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The forecaster has warned that this morning spray and sudden flooding could lead to difficult driving conditions and some road closures. They also warned that some public transport may be affected, especially where flooding or lightning strikes occur. It looks to clear up and return sunny by Tuesday afternoon.
Areas covered by the warning:
- Caerphilly
- Cardiff
- Monmouthshire
- Newport
- Powys
- Torfaen
The Met Office forecast for Wales
Tuesday, June 20
"A wet morning with outbreaks of heavy rain. Turning drier through the afternoon with some sunny spells developing, though an isolated shower still possible. Feeling less warm than of late. Maximum temperature 23 °C.
"Any showers easing to allow some evening sunny spells. Remaining dry overnight with clear intervals, though some patchy low cloud affecting the west of Eryri and Bannau Brycheiniog. Mild. Minimum temperature 12 °C."
Wednesday:
"A bright morning with isolated fog patches quickly clearing. Scattered showers bubbling up in the afternoon, potentially heavy and thundery, but with sunshine in between. Warm with a light breeze. Maximum temperature 23 °C."
Outlook for Thursday to Saturday:
"Largely dry to end the week though the odd shower is still possible, primarily on Thursday. Breezier along western coasts from Friday with sunshine turning hazier. Temperatures gradually rising."
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