Environment Agency111WAFSTOUWessex
Upper Stour and tributaries: flood history since 2011
The Environment Agency has issued 122 flood alerts for Upper Stour and tributaries since 10 Jan 2011, most often in January; the busiest year was 2024 (16).
Flood alerts only
The flood area
- Flood area
- Upper Stour and tributaries
- Code
- 111WAFSTOU
- Environment Agency area
- Wessex
- County
- Dorset Council, Somerset, Wiltshire
- River or sea
- River Stour, River Lodden, River Shreen
- First in the history
- 10 Jan 2011
- Latest in the history file
- 19 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 | 6 | 0 | 0 |
| 2025 | 9 | 0 | 0 |
| 2024 | 16 | 0 | 0 |
| 2023 | 9 | 0 | 0 |
| 2022 | 6 | 0 | 0 |
| 2021 | 7 | 0 | 0 |
| 2020 | 6 | 0 | 0 |
| 2019 | 10 | 0 | 0 |
| 2018 | 6 | 0 | 0 |
| 2017 | 6 | 0 | 0 |
| 2016 | 9 | 0 | 0 |
| 2015 | 4 | 0 | 0 |
| 2014 | 8 | 0 | 0 |
| 2013 | 7 | 0 | 0 |
| 2012 | 10 | 0 | 0 |
| 2011 | 3 | 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 2011 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 |
|---|---|
| 19 Feb 2026 | Flood alert |
| 16 Feb 2026 | Flood alert |
| 13 Feb 2026 | Flood alert |
| 6 Feb 2026 | Flood alert |
| 20 Jan 2026 | Flood alert |
| 16 Jan 2026 | Flood alert |
| 16 Dec 2025 | Flood alert |
| 8 Dec 2025 | Flood alert |
| 5 Dec 2025 | Flood alert |
| 2 Dec 2025 | Flood alert |
| 26 Feb 2025 | Flood alert |
| 24 Feb 2025 | 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.