Flood alerts
What FloodRadar can alert you about, and the browser alerts set on this device. Official flood warnings are always on the warnings page, with or without an alert.
This device
Browser alerts belong to the browser that set them, with or without an account. They arrive as notifications on this device.
Checking this browser…
Email and Telegram alerts need a free account
An account adds email, Telegram and area alerts for your postcode, complex alerts and the weekly email. Browser alerts on this device work without one.
What you can be alerted about
| Alert | What it tells you | Where you set it | Status |
|---|---|---|---|
| Level alert | A gauge has reached a height you choose.By email, browser, Telegram or ntfy | The gauge’s bell, or one tap in the header bell at its typical high | Live |
| Rising fast | A gauge is climbing faster than a rate you set (10 cm an hour unless you change it) and is still climbing.By email, browser, Telegram or ntfy | The gauge’s bell | Live |
| Unusual rise | A gauge is rising faster than it almost ever does, judged against its own history.By email, browser, Telegram or ntfy | The gauge’s bell | FloodRadar+ (free during beta) |
| Upstream wave | A rise upstream is heading your way, with an estimated arrival time.By email, browser, Telegram or ntfy | The gauge’s bell, on gauges with a reliable upstream partner | Beta |
| Rain trigger | Rain at the linked rain gauge has passed the amount that has made this river rise before.By email, browser, Telegram or ntfy | The gauge’s bell, where the rain model is ready | Beta |
| Sewage nearby | A storm overflow within 3 km of the gauge has started discharging.By email, browser, Telegram or ntfy | The gauge’s bell | Live |
| One storm overflow | An overflow you chose has started discharging, by the water company’s own monitor. At most one message every 6 hours.By email, browser, Telegram or ntfy | The overflow’s own page, under “Tell me when this overflow discharges” | Live, where the company publishes a live status |
| Area alerts | Official flood warnings, named storms, sewage spills and gauges predicted to rise, near your postcode.By email or browser | Here, with a free account | Live; predicted rises only while the forecast is proving itself |
| Complex alerts | Rules you build from gauges, rainfall, soil wetness and warnings.By email, browser, Telegram or ntfy | Here, with a free account | Live |
| Weekly email | A Friday-morning summary of your area: warnings, rain, your gauges and what is coming.By email | Here, with a free account | Live |
Coming: alerts for Met Office rain and thunderstorm warnings covering your postcode. Until then they are shown in the header bell and on this page.