Reported by EA FLOOD 171 days ago.
It is the 2nd strongest of the 12 detections recorded within 20 km of this point since 9 March 2026. The last comparable one was on 15 March 2026. 5 more were recorded here in the fortnight before it.
What the source measured
EA FLOOD reported: Groundwater flooding for the Iwerne
An estimated 517,845 people live within 50 km of this point.
Nearby, since 9 March 2026
- April 6, 2026 · score 42 · 0.0 km
- March 27, 2026 · score 46 · 0.0 km
- March 18, 2026 · score 42 · 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 42 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Floods |
| Severity | High |
| Calamity Score (ours) | 42 / 100 |
| Our confidence | 68% |
| Coordinates | 50.7400, -2.3400 |
| Nearest City | Dorchester (7 km) |
| Population Exposed | 517.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T13:48:10.000Z |
| Source | http://environment.data.gov.uk/flood-monitoring/id/floods/111FWGIWE5 |
Score Breakdown
Technical Details
| SeverityLevel | 2 |
| FloodCategory | Flood Warning |
| County | Dorset Council |
| RiverOrSea | Groundwater |
| EaAreaName | Wessex |
| FloodAreaID | 111FWGIWE5 |
| IsTidal | false |
| TimeRaised | 2026-03-16T14:48:10 |
| TimeSeverityChanged | 2026-03-12T11:56:00 |
Cascade Risks
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 Dorchester?
Calamity.live data shows a flood event with CalamityScore 42/100, near Dorchester (United Kingdom), based on data from ea_flood. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.