Five Day Flood Risk Forecast

Forecast issued by the Met Office at 10:30am, Monday 15th August

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River

The river flood risk is VERY LOW for the next five days.

Minor river flooding impacts are possible but not expected across parts of England and Wales on Tuesday and parts of England on Wednesday due to heavy thunderstorms.

Coastal

The coastal/tidal flood risk is VERY LOW for the next five days.

Surface

The surface water flood risk is LOW on Monday, Tuesday and Wednesday.

Significant surface water flooding impacts are possible for parts of England and Wales on Tuesday and possible but not expected on Monday and Wednesday due to heavy thunderstorms.

Impacts could include localised flooding from urban and fast responding smaller watercourses/catchments, drains, channels and flooding from overland flow. Refer to the Specific Areas of Concern Maps.

Groundwater

The groundwater flood risk is VERY LOW for the next five days.

Daily Risk Forecast Maps

Areas Potentially Affected

Monday 15th August

Cardiff, Newport, Monmouthshire, Torfaen, Blaenau Gwent, Caerphilly, Merthyr Tydfil, Rhondda Cynon Taff, Vale of Glamorgan, Bridgend, Neath Port Talbot, Swansea, Carmarthenshire, Pembrokeshire, Ceredigion, Powys, Wrexham, Flintshire, Denbighshire, Conwy, Gwynedd, Isle of Anglesey, Isle of Wight, Southampton, Portsmouth, Brighton and Hove, Milton Keynes, Wokingham, Windsor and Maidenhead, Slough, Reading, W Berkshire, Bracknell Forest, Medway, Thurrock, Southend-on-Sea, Luton, Peterborough, Swindon, Poole, Bournemouth, Torbay, Plymouth, S Gloucestershire, N Somerset, Bristol, Bath and NE Somerset, Stoke-on-Trent, Telford and Wrekin, Herefordshire, Nottingham, Rutland, Leicester, Derby, York, N Lincolnshire, NE Lincolnshire, E Riding of Yorkshire, Kingston upon Hull, Blackpool, Blackburn with Darwen, Warrington, Halton, Darlington, Stockton-on-Tees, Redcar and Cleveland, Middlesbrough, Hartlepool, Worcestershire, Wiltshire, W Sussex, Warwickshire, Surrey, Suffolk, Staffordshire, Somerset, Shropshire, Oxfordshire, Nottinghamshire, N Yorkshire, Northumberland, Northamptonshire, Norfolk, Lincolnshire, Leicestershire, Lancashire, Kent, Hertfordshire, Hampshire, Gloucestershire, Essex, E Sussex, Durham, Dorset, Devon, Derbyshire, Cumbria, Cornwall & Isles of Scilly, Cheshire, Cambridgeshire, Buckinghamshire, Bedfordshire, Gtr Manchester, Gtr London, W Yorkshire, W Midlands, Tyne and Wear, S Yorkshire, Merseyside

Source and risk of potential flooding

  • Surface: Likelihood very low, Impact significant

Additional information: Heavy showers and thunderstorms develop during Monday.

Tuesday 16th August

Poole, Bournemouth, Torbay, Plymouth, S Gloucestershire, N Somerset, Bristol, Bath and NE Somerset, Stoke-on-Trent, Telford and Wrekin, Herefordshire, Nottingham, Rutland, Leicester, Derby, York, N Lincolnshire, NE Lincolnshire, E Riding of Yorkshire, Kingston upon Hull, Blackpool, Blackburn with Darwen, Warrington, Halton, Darlington, Stockton-on-Tees, Redcar and Cleveland, Middlesbrough, Hartlepool, Worcestershire, Wiltshire, W Sussex, Warwickshire, Surrey, Cardiff, Newport, Monmouthshire, Torfaen, Blaenau Gwent, Caerphilly, Merthyr Tydfil, Rhondda Cynon Taff, Vale of Glamorgan, Bridgend, Neath Port Talbot, Swansea, Carmarthenshire, Pembrokeshire, Ceredigion, Powys, Wrexham, Flintshire, Denbighshire, Conwy, Gwynedd, Isle of Anglesey, Isle of Wight, Southampton, Portsmouth, Brighton and Hove, Milton Keynes, Wokingham, Windsor and Maidenhead, Slough, Reading, W Berkshire, Bracknell Forest, Medway, Thurrock, Southend-on-Sea, Luton, Peterborough, Swindon, Suffolk, Staffordshire, Somerset, Shropshire, Oxfordshire, Nottinghamshire, N Yorkshire, Northumberland, Northamptonshire, Norfolk, Lincolnshire, Leicestershire, Lancashire, Kent, Hertfordshire, Hampshire, Gloucestershire, Essex, E Sussex, Durham, Dorset, Devon, Derbyshire, Cumbria, Cornwall & Isles of Scilly, Cheshire, Cambridgeshire, Buckinghamshire, Bedfordshire, Gtr Manchester, Gtr London, W Yorkshire, W Midlands, Tyne and Wear, S Yorkshire, Merseyside

Source and risk of potential flooding

  • River: Likelihood very low, Impact minor
  • Surface: Likelihood low, Impact significant

Additional information: Heavy showers and thunderstorms are likely to continue on Tuesday.

Wednesday 17th August

Isle of Wight, Southampton, Portsmouth, Brighton and Hove, Milton Keynes, Wokingham, Windsor and Maidenhead, Slough, Reading, W Berkshire, Bracknell Forest, Medway, Thurrock, Southend-on-Sea, Luton, Swindon, Poole, Bournemouth, Torbay, Plymouth, S Gloucestershire, N Somerset, Bristol, Bath and NE Somerset, Wiltshire, W Sussex, Surrey, Suffolk, Somerset, Oxfordshire, Northamptonshire, Norfolk, Kent, Hertfordshire, Hampshire, Gloucestershire, Essex, E Sussex, Dorset, Devon, Cornwall & Isles of Scilly, Cambridgeshire, Buckinghamshire, Bedfordshire, Gtr London

Source and risk of potential flooding

  • Surface: Likelihood very low, Impact significant

Additional information: Continued risk of heavy showers and thunderstorms during Wednesday.

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