Environment Agency111WAFAVOUWessex
Upper Hampshire Avon and tributaries: flood history since 2011
The Environment Agency has issued 38 flood alerts for Upper Hampshire Avon and tributaries since 17 Jan 2011, most often in February; the busiest year was 2024 (12).
Flood alerts only
The flood area
- Flood area
- Upper Hampshire Avon and tributaries
- Code
- 111WAFAVOU
- Environment Agency area
- Wessex
- County
- Wiltshire
- River or sea
- Hampshire River Avon
- First in the history
- 17 Jan 2011
- Latest in the history file
- 5 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 | 2 | 0 | 0 |
| 2025 | 4 | 0 | 0 |
| 2024 | 12 | 0 | 0 |
| 2023 | 4 | 0 | 0 |
| 2020 | 3 | 0 | 0 |
| 2019 | 2 | 0 | 0 |
| 2016 | 2 | 0 | 0 |
| 2014 | 2 | 0 | 0 |
| 2013 | 2 | 0 | 0 |
| 2012 | 4 | 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 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 |
|---|---|
| 5 Feb 2026 | Flood alert |
| 27 Jan 2026 | Flood alert |
| 26 Feb 2025 | Flood alert |
| 24 Feb 2025 | Flood alert |
| 26 Jan 2025 | Flood alert |
| 5 Jan 2025 | Flood alert |
| 23 Nov 2024 | Flood alert |
| 27 Apr 2024 | Flood alert |
| 31 Mar 2024 | Flood alert |
| 28 Mar 2024 | Flood alert |
| 26 Mar 2024 | Flood alert |
| 2 Mar 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.