Reported by EA FLOOD 9 days ago.
What the source measured
EA FLOOD reported: The tidal River Waveney from Ellingham to Breydon Water
Urban PEI: 342,998 within a heuristic 50 km radius; not unique people.
How we know
One source: EA FLOOD. Not yet confirmed by a second, independent source.
Our own score for this event is 30 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 30 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 52.6200, 1.3000 |
| Nearest City | Norwich (1 km) |
| Urban exposure index (PEI) | 343.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T07:07:54.000Z |
| Source | http://environment.data.gov.uk/flood-monitoring/id/floods/054WATBT3 |
Physical priority index · v4 (historical). Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: ea_flood. Occurrence: 2026-09-13T07:07:54.000Z.
First archived: 2026-05-12T08:56:40.927Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| SeverityLevel | 3 |
| FloodCategory | Flood Alert |
| County | Norfolk, Suffolk |
| RiverOrSea | Waveney |
| EaAreaName | East Anglia |
| FloodAreaID | 054WATBT3 |
| IsTidal | true |
| TimeRaised | 2026-09-13T09:07:54 |
| TimeSeverityChanged | 2026-09-13T09:07:00 |
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.
Review the area, threshold and delivery channel in your account.
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