Council urges vigilance as heavy rain and overnight thunderstorms expected
Cornwall Council is asking residents to prepare for localised flooding and difficult travel conditions as heavy rain and thunderstorms move across the region overnight into Thursday. The authority warned that rapid changes in conditions could leave some neighbourhoods isolated and that emergency services may not be able to reach every household immediately during widespread flooding.
The council emphasised personal responsibility for property protection and gave specific guidance to limit risk to life and reduce demand on emergency crews. In a statement, local officials underlined that simple preparations can reduce damage and distress, particularly for households that have flooded before or live in known high‑risk zones.
- Do not drive through flooded roads — vehicles can be swept away even in shallow water.
- Do not walk through floodwater — fast‑moving water and hidden hazards can knock people over.
- Stay away from rivers — swollen channels and unstable banks create serious risk.
- Keep children away from floodwater and avoid smoking, eating or drinking if contact with floodwater is possible.
The council also urged residents to stay indoors where possible, secure outdoor belongings and check on vulnerable neighbours during the period of heavy rain. With conditions expected to deteriorate overnight, the public is being reminded to stay alert and to plan journeys carefully.
"A few simple preparations can significantly reduce damage and distress," the council said, urging residents to act early, especially those in areas known to flood.
Key contacts and resources
Cornwall Council provided a set of contacts for residents during the warning, including 24‑hour services and national resources. If life is at risk, call 999 immediately.
| Service | Contact |
|---|---|
| Floodline (24‑hour) | 0345 988 1188 |
| Report a flooding incident (Freephone, 24‑hour) | 0800 80 70 60 |
| Environment Agency | Flood map and updates online |
The council warned against common behaviours that result in injuries and rescues during floods: attempting to drive through standing water, walking into moving water, approaching swollen rivers and allowing children to play in contaminated water. Hidden hazards listed by the authority include open drains, damaged road surfaces, submerged debris and deep channels.
Practical steps urged for high‑risk households
For households that have flooded before or are in flood‑prone zones, the council recommended securing garden furniture and vehicles, moving important documents and valuables to higher ground, and ensuring vulnerable neighbours or relatives are checked on. The guidance also stressed basic hygiene measures after contact with floodwater, such as washing hands thoroughly and avoiding ingestion.
While the warning is focused on Cornwall, the advice reflects standard flood‑safety guidance used across the U.K. and internationally: avoid floodwater, secure property where possible and use official sources for the latest information. The council said it was monitoring the situation and working with emergency services to respond to incidents as they arise.
Residents with concerns about possible flooding are advised to use the contacts above and to follow updates from Cornwall Council and the Environment Agency. Where conditions worsen unexpectedly and life is at risk, emergency services should be contacted on 999.