Environment Agency052WAFWISSEYEast Anglia
River Wissey in Norfolk: flood history since 2019
The Environment Agency has issued 19 flood alerts for River Wissey in Norfolk since 21 Dec 2019, most often in January; the busiest year was 2024 (6).
Flood alerts only
The flood area
- Flood area
- River Wissey in Norfolk
- Code
- 052WAFWISSEY
- Environment Agency area
- East Anglia
- County
- Norfolk
- River or sea
- River Wissey
- First in the history
- 21 Dec 2019
- Latest in the history file
- 25 Feb 2025
- Current status
- check-for-flooding.service.gov.uk (the Environment Agency's live page)
Flood alert, flood warning, severe flood warning: what each means
Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.
How many alerts and warnings a year?
Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.
The numbers
| Year | Alerts | Warnings | Severe |
|---|---|---|---|
| 2025 | 1 | 0 | 0 |
| 2024 | 6 | 0 | 0 |
| 2023 | 2 | 0 | 0 |
| 2021 | 4 | 0 | 0 |
| 2020 | 5 | 0 | 0 |
| 2019 | 1 | 0 | 0 |
Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.
When in the year?
All alerts and warnings since 2019 by month.
Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.
Before July 2026: the latest in the history file
| Date | Level |
|---|---|
| 25 Feb 2025 | Flood alert |
| 8 Dec 2024 | Flood alert |
| 23 May 2024 | Flood alert |
| 23 Feb 2024 | Flood alert |
| 19 Feb 2024 | Flood alert |
| 9 Feb 2024 | Flood alert |
| 3 Jan 2024 | Flood alert |
| 20 Dec 2023 | Flood alert |
| 21 Oct 2023 | Flood alert |
| 7 Feb 2021 | Flood alert |
| 29 Jan 2021 | Flood alert |
| 19 Jan 2021 | Flood alert |
Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.