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4Warning no Longer in ForceThe warning is no longer in force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 - 26 Aug, 2026

3


Solihull, Warwickshire River Blythe in Warwickshire

3


Hertfordshire Upper River Colne and Radlett Brook

3


Dudley, Sandwell, Staffordshire, Wolverhampton, Worcestershire River Stour and Smestow Brook in the Black Country and South Staffordshire

3


West Sussex Aldingbourne and Barnham Rifes

3


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

3


Birmingham, Dudley, Sandwell, Solihull, Walsall, Warwickshire, Wolverhampton Upper Tame

3


Nottingham, Nottinghamshire River Leen, Day Brook and Tottle Brook in Nottinghamshire

3


Nottinghamshire River Maun in Nottinghamshire

3


Nottingham, Nottinghamshire River Trent Tributaries in Nottinghamshire

3


Birmingham, Sandwell Upper Tame at Sandwell Valley

3


Birmingham, Solihull, Warwickshire, Worcestershire River Cole

3


Barking and Dagenham, Essex, Greater London, Havering Rivers Beam and Rom

3


Leicester, Leicestershire Tributaries in Leicester City

3


Barnet, Enfield, Essex, Greater London, Haringey, Hertfordshire, Redbridge, Waltham Forest Lower Lee tributaries

3


East Sussex Polegate and Wannock

3


Birmingham River Rea

3


East Sussex Hollington Stream

3


East Sussex Hastings Blacklands

3


West Sussex Scrase Bridge and West Common Streams

2


Birmingham Perry Brook at Perry Barr

3


Bromley, Croydon, Greater London, Greenwich, Lewisham Ravensbourne area in the London Boroughs of Lewisham, Bromley, Greenwich and Croydon

3


Barnet, Brent, Greater London, Harrow Silk Stream and the Deans, Edgware, Dollis, Mutton, Wembley and Wealdstone Brooks

3


Greater London, Harrow, Hillingdon River Pinn and Woodridings Stream
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