Reported by EA FLOOD today.
It is one of only 4 we have recorded within 20 km of this point since 4 April 2026. The last comparable one was on 4 April 2026.
What the source measured
EA FLOOD reported: River Bollin catchment, including Knutsford, Wilmslow, Macclesfield and Bollington
An estimated 5,894,243 people live within 50 km of this point.
Nearby, since 4 April 2026
- September 3, 2026 · score 39 · 0.0 km
- April 4, 2026 · score 46 · 0.0 km
How we know
One source: EA FLOOD. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Floods |
| Severity | Medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 69% |
| Coordinates | 53.2200, -2.6000 |
| Nearest City | Winsford (6 km) |
| Population Exposed | 5.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T17:40:11.000Z |
| Source | http://environment.data.gov.uk/flood-monitoring/id/floods/013WAFBO |
Score Breakdown
Technical Details
| SeverityLevel | 3 |
| FloodCategory | Flood Alert |
| County | Cheshire East, Manchester, Stockport, Trafford, Warrington |
| RiverOrSea | River Bollin |
| EaAreaName | Greater Manchester, Merseyside and Cheshire |
| FloodAreaID | 013WAFBO |
| IsTidal | false |
| TimeRaised | 2026-09-03T19:40:11 |
| TimeSeverityChanged | 2026-09-03T19:40:00 |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Winsford?
Calamity.live data shows a flood event with CalamityScore 39/100, near Winsford (United Kingdom), based on data from ea_flood. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.