A Flood Alert was issued for Upper River Calder catchment in Bradford, Calderdale, Kirklees, Rochdale on 27th August 2026. Affected watercourses included the River Calder, Walsden Water, Hebden Water.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Calder at Brighouse rose 0.63m, peaking at -0.61m, while the River Calder at Hebden Bridge climbed 0.27m.
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 |
|---|---|---|---|
| Brighouse | River Calder | +0.63m | -0.61m |
| Hebden Bridge | River Calder | +0.27m | 0.19m |
| Elland | River Calder | +0.25m | 0.54m |
| Todmorden Millwood | River Calder | +0.22m | 0.30m |
| Brearley | River Calder | +0.14m | 0.21m |
| Todmorden Callis Bridge | River Calder | +0.09m | 0.06m |
| Mytholmroyd | River Calder | +0.08m | 1.44m |
| Copley Bridge | River Calder | +0.08m | 0.33m |