Full list of areas hit with Met Office thunderstorm and rain weather warnings across UK

The UK is bracing for thunderstorms and heavy rain this week with a number of yellow weather warnings in place.

The Met Office has issued three yellow thunderstorm alerts for today (Tuesday May 21), impacting parts of Northern Ireland, Wales and areas of southern England. Two yellow rain alerts spanning until Thursday (May 23) have also been issued for north England, the midlands and parts of Scotland.

The forecaster warned of difficult driving conditions, road closures and potential delays and cancellations of train and bus services. Power cuts could also occur, while there's a 'small chance' homes and businesses could be flooded quickly.

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The thunderstorm warning in Northern Ireland is in place between 8am this morning until 9pm tonight. The Met Office said some areas could see up to 30 mm of rainfall in just an hour or two, with the wettest spots perhaps seeing as much as 50-60 mm. Hail and lightning may be secondary hazards in places.

The areas affected are:

• County Antrim

• County Armagh

• County Down

• County Fermanagh

• County Londonderry

• County Tyrone

The second thunderstorm warning, covering south west England, Wales and some of the west midlands, is in place between 12 noon and 9pm tonight. The Met Office said: "There is a lot of uncertainty over exactly where the heaviest rain will occur... Many places will see 30-40 mm of rain, while a few areas may receive 60-80 mm. There is also a small chance that a few upland areas could see much higher totals, in the order of 100-150 mm."

The areas affected are:

South West England

• Bath and North East Somerset

• Bristol

• Cornwall

• Devon

• Dorset

• Gloucestershire

• North Somerset

• Plymouth

• Somerset

• South Gloucestershire

• Torbay

• Wiltshire

Wales

• Blaenau Gwent

• Bridgend

• Caerphilly

• Cardiff

• Carmarthenshire

• Ceredigion

• Conwy

• Denbighshire

• Gwynedd

• Merthyr Tydfil

• Monmouthshire

• Neath Port Talbot

• Newport

• Pembrokeshire

• Powys

• Rhondda Cynon Taf

• Swansea

• Torfaen

• Vale of Glamorgan

• Wrexham

West Midlands

• Herefordshire

• Shropshire

The third thunderstorm alert, covering parts of London, south east and east England, is in place from 12 noon until 11.59pm tonight. The Met Office said: "Across the warning area, 20-30mm in 1 hour or less is possible (but perhaps most likely to the south of London), with a few places perhaps receiving 40-50mm in 2-3 hours."

The areas impacted are:

East of England

• Bedford

• Cambridgeshire

• Central Bedfordshire

• Essex

• Hertfordshire

• Luton

• Norfolk

• Southend-on-Sea

• Suffolk

• Thurrock

London and South East England

• Bracknell Forest

• Brighton and Hove

• Buckinghamshire

• East Sussex

• Greater London

• Hampshire

• Kent

• Medway

• Milton Keynes

• Oxfordshire

• Portsmouth

• Reading

• Slough

• Southampton

• Surrey

• West Berkshire

• West Sussex

• Windsor and Maidenhead

• Wokingham

Rain warnings

The first yellow rain warning doesn't come into force until quarter past midnight on Wednesday morning (May 22). It extends until 6am on Thursday morning (May 23).

The areas impacted by the warning are:

East Midlands

• Derby

• Derbyshire

• Leicester

• Leicestershire

• Lincolnshire

• Northamptonshire

• Nottingham

• Nottinghamshire

• Rutland

East of England

• Bedford

• Cambridgeshire

• Central Bedfordshire

• Norfolk

• Peterborough

London & South East England

• Milton Keynes

North East England

• Darlington

• Durham

• Gateshead

• Hartlepool

• Middlesbrough

• Newcastle upon Tyne

• North Tyneside

• Northumberland

• Redcar and Cleveland

• South Tyneside

• Stockton-on-Tees

• Sunderland

• North West England

• Blackburn with Darwen

• Blackpool

• Cheshire East

• Cheshire West and Chester

• Cumbria

• Greater Manchester

• Halton

• Lancashire

• Merseyside

• Warrington

Wales

• Ceredigion

• Conwy

• Denbighshire

• Flintshire

• Gwynedd

• Isle of Anglesey

• Powys

• Wrexham

West Midlands

• Shropshire

• Staffordshire

• Stoke-on-Trent

• Telford and Wrekin

• Warwickshire

• West Midlands Conurbation

• Worcestershire

Yorkshire & Humber

• East Riding of Yorkshire

• Kingston upon Hull

• North East Lincolnshire

• North Lincolnshire

• North Yorkshire

• South Yorkshire

• West Yorkshire

• York

The second rain warning covers much of Scotland and is in place from 12 noon on Wednesday (May 22) until 6pm on Thursday (May 23). The Met Office said there is a chance that the heaviest outbreaks could become 'slow-moving' over Moray and northern Aberdeenshire, and to a lesser extent Lothian and Borders.

Should this happen then some places could see 60-80 mm of rain falling in 12 hours, with a very low chance of 100 mm.

The areas covered by the warning include:

Central, Tayside & Fife

• Angus

• Clackmannanshire

• Dundee

• Falkirk

• Fife

• Perth and Kinross

• Stirling

• Grampian

• Aberdeen

• Aberdeenshire

• Moray

Highlands & Eilean Siar

• Highland

SW Scotland, Lothian Borders

• Dumfries and Galloway

• East Lothian

• Edinburgh

• Midlothian Council

• Scottish Borders

• West Lothian

Strathclyde

• Argyll and Bute

• East Ayrshire

• East Renfrewshire

• Glasgow

• North Ayrshire

• North Lanarkshire

• South Ayrshire

• South Lanarkshire