Reported by EA FLOOD today.
It is the 15th strongest of the 18 detections recorded within 20 km of this point since 24 March 2026. The last comparable one was on 3 September 2026.
What the source measured
EA FLOOD reported: Sandy Brook and Hurlston Brook at Ormskirk
An estimated 3,158,673 people live within 50 km of this point.
Nearby, since 24 March 2026
- September 3, 2026 · score 39 · 0.0 km
- August 28, 2026 · score 46 · 0.0 km
- August 20, 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 | High |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 69% |
| Coordinates | 53.8600, -2.7200 |
| Nearest City | Preston (11 km) |
| Population Exposed | 3.2M within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-04T00:40:15.000Z |
| Source | http://environment.data.gov.uk/flood-monitoring/id/floods/012FWFL54 |
Score Breakdown
Technical Details
| SeverityLevel | 2 |
| FloodCategory | Flood Warning |
| County | Lancashire |
| RiverOrSea | Sandy Brook, Hurlston Brook |
| EaAreaName | Cumbria and Lancashire |
| FloodAreaID | 012FWFL54 |
| IsTidal | false |
| TimeRaised | 2026-09-04T02:40:15 |
| TimeSeverityChanged | 2026-09-04T02:40:00 |
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 Preston?
Calamity.live data shows a flood event with CalamityScore 39/100, near Preston (United Kingdom), based on data from ea_flood. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.