- Flood Alert: Means flooding is possible. Prepare a flood kit. Monitor water levels and forecast
- Flood Warning: Means flooding is expected. Fit protection equipment. Move family, pets and valuables to safety
- Severe Flood Warning: Danger to life. Stay safe. Be ready to evacuate. Call 999 if in immediate danger
More top news
The news comes as it was announced up to 4,000 prisoners are to be temporarily released in a bid to control the spread of coronavirus.
Lambeth Council said: "This is unacceptable. Unfortunately, the actions of a minority now mean that Brockwell Park will close on Sunday."
Watford General hospital asked people to stay away following an issue which they said did not pose any risk to patients.