Thunderstorms are expected to batter regions of the UK in the coming days after the heatwave hit. The Met Office has issued four yellow weather warnings for thunderstorms and rain which will involve heavy rain with a possible two inches (50mm) of rainfall hitting in some areas. But when will it rain near you in the coming days?
The Met Office has issued two weather warnings for thunderstorms on Friday and Saturday.
The first is in effect across most of Scotland, northern, central and eastern England, parts of Wales and areas of London and the south-east.
The warning reads: “Heavy showers and thunderstorms are likely to break out on Friday afternoon and evening.
“Many places will miss the storms, but where they do occur, torrential downpours could bring 30 to 50 mm rain in an hour, with hail and lightning.
“The storms will slowly clear northeastwards on Friday afternoon and into the evening, though will probably not clear northeast Scotland until Saturday morning.”
- Met Office warnings: ‘Intense thunderstorms’ and torrential rain
The warning advises of thunderstorms which may cause flooding and disruption in some areas.
The flooding of buildings may happen quickly and cause some damage from floodwater, lightning strikes, hail or strong winds.
Fast-flowing or deepwater is possible, posing a threat to lives and where flooding and lightning occur, there is a chance of delays or cancellations to travel services.
Spray and sudden flooding could lead to difficult driving conditions and some road closures and some communities may be cut off if roads become flooded.
Power cuts might occur and other services to some homes and businesses could be lost.
The second weather warning for thunderstorms advises of some places avoiding the worst, thundery showers may lead to flooding here and there.
The warning reads: “Heavy showers and thunderstorms are expected to develop across the western side of Northern Ireland this afternoon, lasting into the evening.
“Some places will miss the heavier downpours, but where they do occur 15 to 20mm of rain could fall within an hour, a few places seeing 30 to 40mm over a few hours.”
The impacted regions in Northern Ireland are County Fermanagh, County Londonderry and County Tyrone.
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- UK weather warnings: Where will thunderstorms strike?
A rain warning has been issued for Saturday.
The first is in effect across Scotland and indicates that heavy showers and rain may lead to flooding in places.
Bus and train services are likely to be affected, with longer journey times possible.
Spray and flooding on the roads will probably make car journey times longer and flooding of a few homes and businesses is possible.
It is likely up to 1.6 inches (40mm) of rainfall could be seen in some areas.
The warning reads: “Although intense thunderstorms become less likely for most areas across Scotland and Northern Ireland, heavy showers and more prolonged rain will continue at times, still with the possibility of thunder.
“These may bring 10 to 20mm per hour for some places during Saturday, with perhaps 30 to 40mm over a few hours. The ground is getting wetter now, so this may cause a few issues.”
The impacted regions will be:
Central, Tayside & Fife
- Perth and Kinross
Highlands & Eilean Siar
- Na h-Eileanan Siar
- County Antrim
- County Armagh
- County Down
- County Fermanagh
- County Londonderry
- County Tyrone
Orkney & Shetland
- Orkney Islands
- Shetland Islands
SW Scotland, Lothian Borders
- Dumfries and Galloway
- East Lothian
- Midlothian Council
- Scottish Borders
- West Lothian
- Argyll and Bute
- East Ayrshire
- East Dunbartonshire
- East Renfrewshire
- North Ayrshire
- North Lanarkshire
- South Ayrshire
- South Lanarkshire
- West Dunbartonshire.
The Environment Agency has issued seven flood alerts for the coming days across:
- Loughborough Urban Watercourses
- River Blythe in Warwickshire
- River Cole
- River Rea
- River Stour and Smestow Brook in the Black Country and South Staffordshire
- River Trent Tributaries in Nottinghamshire
- Upper Tame.
On Saturday, there is low-risk of flooding in Scotland.
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