A Flood Alert was issued for Whiston Brook catchment in Rotherham on 27th August 2026. Affected watercourses included the Whiston Brook.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Rother at Catcliffe rose 2.03m, peaking at 27.34m, while the River Rother at Canklow Regulator climbed 1.87m.
Environment Agency advice issued
Rising river levels today may lead to flooding. Flooding is possible on 27 August 2026 due to the heavy and thundery downpours expected today Locations most affected will be low lying land and roads near rivers. We are closely monitoring the situation as river levels may rise suddenly and cause surface water flooding Take care and avoid walking, cycling or driving through flood water . This message will be updated by 11:00PM on 27 August 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Catcliffe | River Rother | +2.03m | 27.34m |
| Canklow Regulator | River Rother | +1.87m | 25.72m |
| Catcliffe Drain | Catcliffe Drain | +1.75m | 27.39m |
| Canklow Washlands | Ulley Brook | +1.39m | 1.50m |
| Woodhouse Mill Regulator | River Rother | +1.21m | 1.42m |
| Woodhouse Mill | River Rother | +1.18m | 1.62m |
| Rotherham | River Don | +1.11m | 1.11m |
| Rotherham Forge Island | River Don | +0.80m | 0.96m |
| Hadfields | River Don | +0.56m | 0.88m |
| Whiston Brook | Whiston Brook | +0.43m | 0.46m |