Environment Agency031WAT217West Midlands
Severn estuary from Gloucester to Sharpness: flood history since 2008
The Environment Agency has issued 102 flood alerts for Severn estuary from Gloucester to Sharpness since 9 Mar 2008, most often in February; the busiest year was 2019 (11).
Flood alerts only
The flood area
- Flood area
- Severn estuary from Gloucester to Sharpness
- Code
- 031WAT217
- Environment Agency area
- West Midlands
- County
- Gloucestershire
- River or sea
- Severn Estuary
- First in the history
- 9 Mar 2008
- Latest in the history file
- 17 Feb 2026
- 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 |
|---|---|---|---|
| 2026 | 3 | 0 | 0 |
| 2025 | 7 | 0 | 0 |
| 2024 | 9 | 0 | 0 |
| 2023 | 10 | 0 | 0 |
| 2022 | 7 | 0 | 0 |
| 2021 | 4 | 0 | 0 |
| 2020 | 9 | 0 | 0 |
| 2019 | 11 | 0 | 0 |
| 2018 | 7 | 0 | 0 |
| 2017 | 2 | 0 | 0 |
| 2016 | 8 | 0 | 0 |
| 2015 | 6 | 0 | 0 |
| 2014 | 7 | 0 | 0 |
| 2013 | 5 | 0 | 0 |
| 2012 | 6 | 0 | 0 |
| 2011 | 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 2008 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 |
|---|---|
| 17 Feb 2026 | Flood alert |
| 2 Feb 2026 | Flood alert |
| 21 Jan 2026 | Flood alert |
| 20 Dec 2025 | Flood alert |
| 7 Dec 2025 | Flood alert |
| 4 Dec 2025 | Flood alert |
| 10 Sep 2025 | Flood alert |
| 29 Mar 2025 | Flood alert |
| 28 Feb 2025 | Flood alert |
| 30 Jan 2025 | Flood alert |
| 16 Oct 2024 | Flood alert |
| 21 Aug 2024 | 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.