Weather Emergencies
Flash flood alert: what to do?
Flash flood alert: the right reflexes in a few simple steps.
Written by Mohamed IDBRAHIM · Updated octobre 13, 2026 · 7 min read
Immediate actions
- 1 Move to higher ground immediately.
- 2 Never drive or walk through floodwater.
- 3 Heed evacuation orders without delay.
- 4 Follow official alerts on your phone or radio.
What not to do / warning
Six inches of moving water can knock you over; one foot can float a car.
When a flash flood alert happens, the first minutes matter. Follow these steps to act safely and without panic.
What to do right now
- Move to higher ground immediately.
- Never drive or walk through floodwater.
- Heed evacuation orders without delay.
- Follow official alerts on your phone or radio.
Mistakes to avoid
- Acting before removing the immediate source of danger.
- Panicking or skipping the official procedures.
- Following unverified advice from the internet.
How to prevent this in the future
Regular checks and keeping important documents and numbers in one safe place go a long way. Note the emergency number for your country and keep it visible at home.
Frequently asked questions
What should I do first?
Ensure everyone is safe, remove the source of danger, then call the relevant number or start the official procedure.
When should I call emergency services?
Whenever there is a risk to life, serious injury or a fire. When in doubt, call and let them decide.
Sources & references
- FEMA (https://www.ready.gov/floods)