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4Warning no Longer in ForceThe warning is no longer in force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 - 21 Dec, 2024

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

4


Leicestershire, Rutland River Wreake in Leicestershire

3


Gloucestershire, Oxfordshire River Windrush from Bourton to Newbridge

4


Solihull, Warwickshire River Blythe in Warwickshire

3


Oxfordshire Ginge Brook

4


Warwickshire, West Northamptonshire River Leam and River Itchen

3


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

3


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

3


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

3


Cambridgeshire, Norfolk Hundred Foot Washes in Cambridgeshire and Norfolk

3


Shropshire, Staffordshire, Telford and Wrekin Tern and Perry catchments

3


Gloucestershire River Dikler from Condicote to Little Rissington

4


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

3


Bracknell Forest, Surrey, Windsor and Maidenhead Chertsey Bourne

4


Milton Keynes, West Northamptonshire River Tove in Northamptonshire

3


Dorset Council Lower Frome and tributaries

3


Herefordshire River Lugg south of Leominster

3


Norfolk The tidal Rivers Bure, Ant and Thurne

3


Gloucestershire, Worcestershire River Severn in Gloucestershire

4


Buckinghamshire, Milton Keynes, Oxfordshire, West Northamptonshire Upper River Great Ouse in Northamptonshire, Oxfordshire and Buckinghamshire

4


Gloucestershire, Herefordshire, Worcestershire River Leadon catchment

3


Gloucestershire, Warwickshire, Worcestershire River Avon in Worcestershire

3


Shropshire Severn Vyrnwy confluence

3


Staffordshire, Wolverhampton River Sow and River Penk

4


Cheshire East, Cheshire West and Chester, Halton River Gowy catchment including areas around Frodsham

4


Cheshire East, Cheshire West and Chester, Halton, Shropshire, Staffordshire Weaver catchment including Nantwich, Frodsham, Crewe, Winsford and Northwich

3


Shropshire, Staffordshire, Telford and Wrekin River Worfe

3


Cheshire West and Chester, Shropshire River Dee catchment in England from Whitchurch to Chester

4


Gloucestershire, Shropshire, Worcestershire River Severn in Worcestershire

4


Worcestershire Kempsey Village

3


Norfolk Hunstanton coast in Norfolk

3


Derby, Derbyshire, Leicestershire River Trent in Derbyshire

4


Gloucestershire, Worcestershire River Severn at Severn Ham, Tewkesbury

4


Birmingham, Staffordshire, Warwickshire Middle Tame

3


Dorset Council Groundwater flooding in the West of Dorset

4


Worcestershire Bow and Piddle Brook

3


Cumberland Upper River Derwent, Stonethwaite Beck and Derwent Water

3


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

4


Lincolnshire, Nottinghamshire Witham in North Kesteven

3


Dorset Council River Piddle and tributaries

4


Leicestershire, Lincolnshire, North Northamptonshire, Peterborough, Rutland, West Northamptonshire Welland Valley

3


Derbyshire, Staffordshire Burton Trent

4


Leicestershire River Wreake for mills at Hoby, Thrussington and Ratcliffe

4


Staffordshire Lower Tame

3


Hampshire, Wiltshire Groundwater flooding in the Salisbury Plain area

3


Gloucestershire River Coln and its tributaries

4


East Riding of Yorkshire, North Yorkshire North Sea coast from Whitby to Filey

3


West Berkshire Groundwater flooding in the Great Shefford area

3


Oxfordshire, West Berkshire Groundwater flooding in the Lambourn Valley catchment

3


Hampshire Groundwater flooding in the Candovers and Old Alresford

3


Hertfordshire Groundwater flooding in Flamstead

3


Hertfordshire Groundwater flooding in Kimpton and Lilley Bottom
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