River Wandle Catchment

Flood Alert

Thunderstorms are expected this evening and overnight. The rainfall may be intense and very localised. We are issuing a flood alert based on the forecast rainfall. There is significant uncertainty about how much rain will fall and exactly where, however rainfall totals could be as high as 45mm of rain in a 6 hour period. Rain is expected to fall on the Wandle catchment between 22:00 pm Sunday evening until 12:30 am Monday morning. There is a significant risk of surface water flooding, however, we do not expect any property flooding from rivers at this stage. If we receive all of the predicted rain, there is a chance that the river may come out of bank, leading to flooding of nearby roads and low-lying land. We will continue to monitor the situation and update this flood alert as the situation develops.

This information last updated 11:38am, Sunday 28th May.

Flood Warning Area Details

River Wandle Catchment in the London Boroughs of Wandsworth, Merton, Lambeth, Croydon and Sutton

Region: South East

Counties covered: London, Wandsworth, Merton, Lambeth, Croydon, Sutton

Watercourses covered: Wandle

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for River Wandle Catchment.

Icons on the map show nearby level monitoring stations. They are not necessarily related to this particular flood warning area.

Other Nearby Flood Warning Locations

River Wandle at Morden
River Wandle at Morden, including Morden Hall Park, London Borough of Merton

No current or recent warnings.

River Graveney at Tooting and Colliers Wood
River Graveney at Tooting and Colliers Wood, London Boroughs of Wandsworth and Merton

No current or recent warnings.

River Wandle at Wimbledon
River Wandle at Wimbledon including Colliers Wood, Merton Abbey, Connollys Mill, Summerstown and Wimbledon Stadium, London Borough of Merton

No current or recent warnings.

Norbury Brook at Thornton Heath and Stretham Vale
Norbury Brook at Thornton Heath and Streatham Vale, including Norbury and Norbury Park, London Boroughs of Croydon and Lambeth

No current or recent warnings.

River Wandle at Beddington Park
River Wandle at Beddington Park including Hackbridge and Waddon, London Boroughs of Sutton and Croydon

No current or recent warnings.

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