Flood Warning & Alert Types

 
ImageLevelNameMeaning
1Severe Flood WarningSevere Flooding, Danger to Life.
2Flood WarningFlooding is Expected, Immediate Action Required.
3Flood AlertFlooding is Possible, Be Prepared.
4Warning no Longer in ForceThe warning is no longer in force
*Sources updated daily from the Environment Agency's API: https://environment.data.gov.uk/flood-monitoring/id/floods.

Flood level warnings are categorised in severity by a numbering system as shown in the table above. The highest type of flood alert is 1, whereas the lowest type of flood notice is 4.

Flood Alerts, Warnings & Notices - 11 Feb, 2026

4


Warwickshire, Worcestershire River Arrow and River Alne

3


Gloucestershire, South Gloucestershire, Wiltshire Upper Bristol Avon area

3


Lincolnshire, Nottinghamshire River Trent from Cromwell Weir to Gainsborough

3


Derbyshire, Leicestershire, Nottinghamshire Lower River Soar in Leicestershire

3


Gloucestershire, Wiltshire River Churn and its tributaries

3


Oxfordshire River Cherwell from Lower Heyford down to and including Oxford

3


Leicestershire, Rutland River Wreake in Leicestershire

3


Gloucestershire, Oxfordshire River Windrush from Bourton to Newbridge

3


Gloucestershire, Oxfordshire, Warwickshire River Evenlode from Moreton in Marsh to Cassington and also the River Glyme at Wootton and Woodstock

3


Oxfordshire River Thames for the Abingdon area

3


Oxfordshire Ginge Brook

3


Cambridgeshire, Peterborough Lower Nene

4


Warwickshire, West Northamptonshire River Leam and River Itchen

2


Oxfordshire River Ray for Islip

3


Buckinghamshire, Oxfordshire River Ray and its tributaries from Shipton Lee to and including Islip

3


Gloucestershire, Oxfordshire, Swindon, Wiltshire River Thames and its small tributaries from Calcutt to Lechlade

3


Cambridgeshire, North Northamptonshire, Peterborough, West Northamptonshire Middle Nene

3


Buckinghamshire, Hertfordshire, Oxfordshire River Thame, Horsenden Stream and Chalgrove Brook

3


Dorset Council, Somerset South East Somerset Rivers, Upper Reaches

3


Bournemouth, Christchurch and Poole, Dorset Council, Hampshire Lower Avon and tributaries

3


Cambridgeshire, Norfolk Hundred Foot Washes in Cambridgeshire and Norfolk

3


Buckinghamshire, Greater London, Hertfordshire, Hillingdon, Slough, Surrey, Windsor and Maidenhead Lower River Colne and Frays River

3


Shropshire, Staffordshire, Telford and Wrekin Tern and Perry catchments

3


Gloucestershire River Dikler from Condicote to Little Rissington

3


Gloucestershire, Oxfordshire River Leach from Northleach to Mill Lane near Lechlade

3


Leicestershire, Warwickshire, West Northamptonshire Upper Avon River Swift and Clay Coton Brook

3


Bracknell Forest, Surrey, Windsor and Maidenhead Chertsey Bourne

2


Cambridgeshire, Peterborough B1040 Thorney to Whittlesey Road to the South of the River Nene

2


Buckinghamshire, Oxfordshire River Ray from the Heath Bridge area to and including the Otmoor Basin

3


Milton Keynes, West Northamptonshire River Tove in Northamptonshire

3


Cambridgeshire River Great Ouse in Cambridgeshire from Brampton to Earith

3


Bedford, Cambridgeshire, Central Bedfordshire River Great Ouse in Central Bedfordshire, Beds Borough and Cambridgeshire from Wyboston to Brampton

3


Dorset Council, Somerset, Wiltshire Upper Stour and tributaries

3


Gloucestershire, Wiltshire Tributaries on the Upper River Thames above Cricklade

4


Coventry, Gloucestershire, Warwickshire, Worcestershire Middle Avon Rugby to Bidford

3


Dorset Council Lower Frome and tributaries

3


East Sussex Combe Haven

3


Dorset Council, Somerset South Somerset Rivers, Upper Reaches

3


Herefordshire River Lugg south of Leominster

3


Somerset River Yeo and River Parrett Moors around Muchelney and Thorney

4


Coventry, Solihull, Warwickshire R Sowe & R Sherbourne and Canley Bk & Finham Bk

4


Gloucestershire, Worcestershire Rivers in South Worcestershire

3


Bath and North East Somerset, Wiltshire Mid Bristol Avon area

3


Derbyshire River Wye in Derbyshire

3


Hampshire, Wiltshire River Blackwater

3


Somerset East Somerset Rivers

3


Oxfordshire River Ock from Watchfield to Abingdon, and also the Letcombe Brook at Wantage, Grove and East Hanney

3


Hampshire, West Sussex Western Rother

3


Devon, Somerset Rivers Clyst and Culm and their tributaries

3


Gloucestershire, Worcestershire River Severn in Gloucestershire

3


Gloucestershire, Herefordshire, Worcestershire River Leadon catchment

3


Oxfordshire, West Berkshire River Pang from East Ilsley to Pangbourne and Sulham Brook

3


Gloucestershire, Warwickshire, Worcestershire River Avon in Worcestershire

3


East Sussex, West Sussex River Adur East Branch

3


East Sussex, West Sussex Upper Ouse

3


Leeds, Wakefield Ings Beck and Oakenshaw Beck

3


Dorset Council Middle Stour and tributaries

3


Northumberland Coastal rivers in North Northumberland

4


Devon, Dorset Council, Somerset River Axe area

3


Nottinghamshire River Maun in Nottinghamshire

3


Gloucestershire, Oxfordshire River Thames and tributaries from Buscot Wick down to Kings Lock

4


Warwickshire River Dene in South East Warwickshire

2


Wiltshire Bristol Avon (upper) from Chippenham to Melksham

3


Bournemouth, Christchurch and Poole, Dorset Council, Hampshire Lower Stour and tributaries

3


East Riding of Yorkshire, North Yorkshire, York Lower River Derwent

4


Bracknell Forest, Hampshire, Surrey, Wokingham River Blackwater and The Cove Brook

3


Oxfordshire River Thames and tributaries in the Oxford area

3


East Riding of Yorkshire, North Yorkshire Upper River Derwent

2


Bournemouth, Christchurch and Poole, Dorset Council Lower Stour at Redhill and Wheatplot Home Sites

2


Bournemouth, Christchurch and Poole, Dorset Council Lower Stour from Sturminster Marshall to Christchurch

3


Herefordshire, Shropshire Upper Teme

4


Devon, Somerset Middle Exe area

4


Devon, Torbay River Teign area

4


Devon, Somerset Rivers Otter and Sid, and Exmouth area

3


Somerset West Somerset Streams

3


Devon, Somerset River Tone catchment

4


Devon, Dorset Council West Dorset Rivers and Streams

3


Hampshire, Surrey, West Sussex Upper River Wey

3


Cornwall West Cornwall Rivers

3


Windsor and Maidenhead, Wokingham Lower River Loddon

3


East Riding of Yorkshire North Sea coast at Bridlington

4


Herefordshire, Worcestershire River Lugg North of Leominster

3


Shropshire Severn Vyrnwy confluence

3


Herefordshire, Shropshire, Worcestershire Lower Teme

4


Gloucestershire, Herefordshire River Wye in Herefordshire

3


Staffordshire, Wolverhampton River Sow and River Penk

3


Somerset Lower Tone and Parrett Moors

4


Gloucestershire, Herefordshire River Wye in Gloucestershire

3


Shropshire, Staffordshire, Telford and Wrekin River Worfe

3


Staffordshire, Walsall Bourne Brook (Tamworth)

3


Gloucestershire, Shropshire, Worcestershire River Severn in Worcestershire

3


Worcestershire Kempsey Village

2


Gloucestershire River Severn at Sandhurst and Maisemore

3


Derby, Derbyshire, Leicestershire River Trent in Derbyshire

3


North Yorkshire, York Upper River Ouse

3


Shropshire, Telford and Wrekin, Worcestershire River Severn in Shropshire

2


Gloucestershire, Worcestershire River Severn at Severn Ham, Tewkesbury

2


Worcestershire River Severn at Court Meadow, Kempsey and Callow End

2


Gloucestershire River Severn at Apperley and The Leigh

4


Worcestershire River Severn in South Worcester

4


Worcestershire River Severn at Clifton and Severn Stoke

2


Worcestershire River Severn at Hanley Road, Upton upon Severn

2


Worcestershire R Severn - Hanley Castle, Rectory Rd & Saxons Lode

2


Gloucestershire River Severn at Chaceley and Haw Bridge

2


Gloucestershire River Severn at Abbots Court, Deerhurst

3


Dorset Council Groundwater flooding in the West of Dorset

4


Worcestershire River Severn at East Waterside, Upton upon Severn

3


Wiltshire River Ebble and tributaries

3


Dorset Council, Hampshire, Wiltshire Groundwater flooding in the Cranborne Chase area

3


Dorset Council Weymouth Rivers and Streams

4


Derbyshire, Nottinghamshire River Meden in Nottinghamshire

3


Hampshire, Wiltshire River Bourne and tributaries

3


Wiltshire Upper Hampshire Avon and tributaries

3


Hampshire, Southampton Monks Brook

3


Hampshire Lymington River

4


Dorset Council Upper Frome from Maiden Newton to Dorchester

3


Wiltshire River Wylye and tributaries

3


Dorset Council River Piddle and tributaries

2


Gloucestershire, Worcestershire River Avon at Strensham and Bredon

4


Worcestershire River Avon at Wyre Piddle

3


Reading, West Berkshire, Wokingham River Kennet from Thatcham down to Reading

4


York River Ouse at York - riverside properties

3


Doncaster, North Lincolnshire, Nottinghamshire River Idle in Nottinghamshire

3


Derbyshire, Leicestershire, Nottingham, Nottinghamshire River Trent in Nottinghamshire

3


Derbyshire, Staffordshire Burton Trent

3


Oxfordshire Clanfield Brook for Clanfield Village and the Shill Brook for Bampton

3


Oxfordshire, Wokingham Lower River Loddon at the River Thames confluence at Twyford

3


Swindon, West Berkshire, Wiltshire River Kennet and its tributaries from Berwick Bassett down to Newbury

3


West Berkshire River Lambourn and its tributaries from Upper Lambourn down to Newbury

2


Dorset Council Lower Frome from East Stoke to Wareham

2


Wiltshire Middle Hampshire Avon at Britford, Salisbury

2


Dorset Council, Hampshire, Wiltshire Middle Hampshire Avon from Salisbury to Ringwood

2


Dorset Council Lower Frome from Dorchester to East Stoke

2


Reading, West Berkshire, Wokingham Properties closest to the River Kennet at the Burghfield, Southcote, Coley and Holybrook areas

2


Somerset Curry Moor and Hay Moor

4


Staffordshire Lower Tame

3


Oxfordshire, Wokingham River Thames for Shiplake, Lower Shiplake and Wargrave

4


Gloucestershire River Avon at Twyning

3


Oxfordshire, Reading, West Berkshire, Wokingham River Thames from Mapledurham to Sonning

3


Oxfordshire, West Berkshire River Thames from Pangbourne to Purley

3


Oxfordshire, West Berkshire River Thames and its tributaries from Days Lock to above Pangbourne

3


Buckinghamshire, Windsor and Maidenhead River Thames from Hurley to Cookham

3


Buckinghamshire, Oxfordshire, Windsor and Maidenhead, Wokingham River Thames for Henley, Remenham, Medmenham and its tributaries

3


Greater London, Richmond upon Thames, Surrey River Thames from Shepperton to Molesey

3


West Sussex Aldingbourne and Barnham Rifes

3


Surrey, West Sussex River Lox

3


Slough, Surrey, Windsor and Maidenhead River Thames from Datchet to Shepperton Green

3


Dorset Council, Hampshire, Wiltshire Middle Hampshire Avon and tributaries

2


Oxfordshire, West Berkshire River Thames at Purley Village

3


Isle of Wight Eastern Yar

2


Bedford, Cambridgeshire, Central Bedfordshire Areas close to the River Great Ouse at Wyboston, Eaton Socon, Eynesbury, Eaton Ford, and St Neots

2


Bournemouth, Christchurch and Poole, Dorset Council, Hampshire Lower Avon from Ringwood to Christchurch

2


Hampshire Lower Avon at The Bridges and Stubbings Meadow in Ringwood

3


Surrey, West Sussex Upper Arun

3


West Sussex Lower Arun

2


Oxfordshire, Wokingham River Thames for Shiplake, Lower Shiplake and Wargrave

3


Essex, Greater London, Redbridge Middle River Roding

2


Dorset Council Groundwater flooding for the Iwerne

2


West Sussex Fittleworth on the Western River Rother

3


Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, Windsor and Maidenhead Colne Brook at Iver and Colnbrook

2


West Sussex Pulborough on the River Arun

3


Hampshire, Wiltshire Groundwater flooding in the Salisbury Plain area

2


Wiltshire Groundwater flooding in the South Wiltshire Downs - The Dene

3


Gloucestershire River Coln and its tributaries

3


East Riding of Yorkshire River Foulness and Market Weighton catchment

2


Wiltshire Middle Hampshire Avon at The Close and West Harnham, Salisbury

2


North Yorkshire River Derwent at Buttercrambe Mill

4


Doncaster, East Riding of Yorkshire, North Yorkshire, Wakefield River Went catchment

3


Oxfordshire, West Berkshire Groundwater flooding in the Lambourn Valley catchment

3


Hampshire Groundwater flooding in the Candovers and Old Alresford

4


Nottingham, Nottinghamshire River Trent Tributaries in Nottinghamshire

3


Leicestershire, Nottinghamshire Loughborough urban watercourses and local tributaries to the River Soar

3


Doncaster, Rotherham, Sheffield Middle River Don catchment

3


Hampshire, Southampton Lower Itchen

3


Hampshire Lower Meon

3


County Durham, Sunderland Lower River Wear

3


Lincolnshire Minor Watercourses from Heighington to Dunston

3


Lincolnshire Tributaries of the lower River Witham from Blankney to Sleaford

3


Hampshire Groundwater flooding in Hursley

4


Nottingham, Nottinghamshire River Trent at Lenton for Nottingham Park and Ride Site at Queens Drive

2


Derbyshire, Leicestershire River Trent at Cavendish Bridge

4


Derbyshire River Trent at Willington around Repton Road

2


Nottinghamshire River Trent at Newark Tolney Lane and Riverside Marinas

4


Derbyshire River Trent at Barrow upon Trent

4


Leicestershire River Trent at Castle Donington around Kings Mill

2


Derbyshire, Leicestershire River Trent at Swarkestone

2


Lincolnshire, Nottinghamshire River Trent at Girton

2


Nottinghamshire Rivers Trent & Devon at Farndon riverside properties including Dorner Avenue and Wyke and Marsh Lane

4


Nottingham, Nottinghamshire River Trent at Holme Pierrepont for the National Watersports Centre

2


Nottinghamshire River Trent at Newark Sugar Factory and Kelham Bridge

2


Nottinghamshire River Trent at Fiskerton Mill including Rolleston Fields, Gorse and Nurseries

4


Leicestershire River Trent at Sawley Marina, including Sawley Lock

2


Nottinghamshire River Trent at Newark for riverside properties

2


Nottinghamshire River Trent at Collingham

4


Derbyshire River Trent at Trentlock

2


Wiltshire Groundwater flooding for the Till

2


Dorset Council River Piddle from Alton Pancras to Wareham

2


Wiltshire Lower Wylye from Warminster to Wilton

2


Wiltshire Middle Hampshire Avon at St Marys Cathedral area, Salisbury

2


Wiltshire Groundwater flooding in the Chitterne Valley

2


Wiltshire Groundwater flooding for the Wylye Valley

2


Wiltshire Groundwater flooding for the Wylye Valley at Warminster

3


Hampshire, Wiltshire Groundwater flooding in Pitton, West Tytherley, Nether Wallop and Broughton

2


Hampshire, Wiltshire Groundwater flooding in the Bourne Valley - The Winterbournes

2


Wiltshire Lower Wylye at Wilton Town

3


Hampshire Groundwater flooding in Bramdean and Cheriton

3


Hampshire Groundwater flooding in Twyford and Hensting

3


Hampshire Groundwater flooding in Vernham Dean, Upton and the Bourne Valley

3


Swindon, Wiltshire Groundwater flooding in the Upper Og Valley

3


Buckinghamshire, Milton Keynes, West Northamptonshire River Great Ouse from Thornborough to Newport Pagnell

3


Bedford, Milton Keynes River Great Ouse from Newport Pagnell to Sharnbrook

3


Dorset Council, Somerset River Yeo and Parrett, Upper Reaches

3


Somerset River Yeo and Parrett, Yeovilton to Huish Episcopi

3


Somerset River Yeo and Parrett, The Levels

3


Somerset River Yeo and Parrett, Bridgwater to the Coast

3


Hampshire Upper Meon

3


Bedford, Central Bedfordshire, Milton Keynes River Great Ouse from Sharnbrook to Roxton

2


Dorset Council Groundwater flooding in the Cerne Valley

2


Dorset Council Groundwater flooding for the Hooke

2


Dorset Council Groundwater flooding for the Sydling

2


Dorset Council Groundwater flooding for the South Winterbourne Valley

2


Dorset Council Groundwater flooding for the Pimperne Brook

2


Somerset A361 East Lyng to Burrowbridge

2


Dorset Council Groundwater flooding for the Piddle Valley

2


Wiltshire Groundwater flooding for the Ebble Valley

2


Dorset Council Groundwater flooding for the Devils Brook

2


Somerset River Parrett (lower) at Langport Westover Trading Estate

2


Dorset Council Groundwater flooding for the North Winterborne, north of the A354

3


Hampshire Groundwater flooding in the Meon Valley from East Meon to Soberton

3


Hampshire Groundwater flooding in Hambledon

3


Hampshire, West Sussex Lower River Ems

2


Dorset Council Groundwater flooding for the North Winterborne, south of the A354

2


Dorset Council Groundwater flooding for the Bere Stream

2


Wiltshire Groundwater flooding in the South Wiltshire Downs - The Chilmark

2


Wiltshire Groundwater flooding in the South Wiltshire Downs - The Teffont

2


Somerset River Yeo and River Parrett Moors, low lying properties around Muchelney

2


Somerset Salt Moor and North Moor including Moorland

3


East Sussex Groundwater flooding in Denton

3


West Sussex Groundwater flooding in upper River Ems Valley

3


West Sussex Groundwater flooding in West Dean, Singleton, Charlton, East Dean and Chilgrove

2


Dorset Council Groundwater flooding in the Allen Vale at Monkton Up Wimborne and Wimborne St Giles

2


Dorset Council, Wiltshire Groundwater flooding in the Allen Vale at Sixpenny Handley

2


Dorset Council Groundwater flooding for the Bere Stream at Bere Regis

2


Dorset Council Groundwater flooding for the Crichel

2


Dorset Council, Hampshire Groundwater flooding for the Crane

2


Hampshire Groundwater flooding in the Cranborne Chase in West Hampshire - Damerham and Martin

2


Dorset Council, Wiltshire Groundwater flooding for the Gussage

2


Dorset Council, Wiltshire Groundwater flooding for the Tarrant Valley

2


Hampshire Groundwater flooding in the Cranborne Chase in West Hampshire - Rockbourne

2


Wiltshire Groundwater flooding for the Wylye Valley at Wilton

2


Hampshire Middle Avon at Fordingbridge

2


Wiltshire Groundwater flooding for the Avon valley from Amesbury to the north of Salisbury

2


Wiltshire Middle Hampshire Avon at Southampton Road Retail and Business Parks, Salisbury

2


Wiltshire Middle Hampshire Avon at The Friary and City Centre, Salisbury

3


Hampshire The Wallops

3


Hampshire, West Sussex Groundwater flooding in Finchdean, Dean Lane End and Rowlands Castle

2


Dorset Council Groundwater flooding in the Lower Allen Vale

3


Hampshire Groundwater flooding in Kings Somborne and Little Somborne

3


West Sussex River Lavant

3


Hampshire Groundwater flooding in Littleton, Headbourne, Kings and Martyr Worthy, Easton and Chilland

2


Surrey Areas of Chertsey closest to the Chertsey Bourne

3


Surrey Groundwater flooding in the Haslemere and Churt areas

3


Surrey Groundwater flooding in Godalming, Shackleford and Hambledon areas

3


Brighton and Hove Groundwater flooding in Patcham

2


Gloucestershire River Severn at Ashleworth

3


Hampshire Winchester Itchen

2


Wiltshire Upper Hampshire Avon at Millstream and Avon Approach, Salisbury

2


Wiltshire River Bourne at Southampton Road Industrial Park, Salisbury

2


Wiltshire Groundwater flooding in the upper Avon valley and the Nine Mile river

2


Wiltshire Groundwater flooding in the Bourne Valley - The Collingbournes

3


Hampshire Groundwater flooding in the Alton area

2


Gloucestershire River Coln from Fossebridge to Quennington
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