Environment Agency065WAF433Solent and South Downs
River Adur East Branch: flood history since 2012
The Environment Agency has issued 48 flood alerts for River Adur East Branch since 28 Apr 2012, most often in December; the busiest year was 2024 (10).
Flood alerts only
The flood area
- Flood area
- River Adur East Branch
- Code
- 065WAF433
- Environment Agency area
- Solent and South Downs
- County
- East Sussex, West Sussex
- River or sea
- Adur
- First in the history
- 28 Apr 2012
- Latest in the history file
- 14 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 | 5 | 0 | 0 |
| 2024 | 10 | 0 | 0 |
| 2023 | 4 | 0 | 0 |
| 2022 | 4 | 0 | 0 |
| 2021 | 5 | 0 | 0 |
| 2020 | 6 | 0 | 0 |
| 2019 | 2 | 0 | 0 |
| 2018 | 1 | 0 | 0 |
| 2015 | 1 | 0 | 0 |
| 2013 | 1 | 0 | 0 |
| 2012 | 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 2012 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 |
|---|---|
| 14 Feb 2026 | Flood alert |
| 26 Jan 2026 | Flood alert |
| 20 Jan 2026 | Flood alert |
| 15 Jan 2026 | Flood alert |
| 11 Jan 2026 | Flood alert |
| 8 Jan 2026 | Flood alert |
| 18 Dec 2025 | Flood alert |
| 6 Dec 2025 | Flood alert |
| 23 Feb 2025 | Flood alert |
| 23 Jan 2025 | Flood alert |
| 5 Jan 2025 | Flood alert |
| 5 Dec 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.