The short answer
Why Driving Is Risky
Flash floods bring fast-moving water that can sweep a vehicle off the road. You cannot see the road surface beneath the water, so a deep pothole or washed-out section could cause you to lose control. The force of the water is often stronger than it looks, and a car can float in just a foot of water.
Your tires lose traction on wet pavement, and braking distance increases sharply. If you drive through a flooded area, water can enter the engine and stall the car, leaving you stranded. In the Pacific Northwest, where heavy rain can come suddenly, it is better to wait out the storm than to risk a crossing.
What to Do If You Are Caught
If you are already on the road when water starts to rise, do not try to drive through it. Pull over to a safe spot away from ditches and low-lying areas, and turn on your hazard lights. If water is moving around your car, exit the vehicle and move to higher ground immediately, as water can lift a car in seconds.
Do not park under bridges or near culverts, where water can surge unexpectedly. If you must walk, use a stick to check the ground ahead of you. Never enter floodwater on foot if you can avoid it, as it may contain hidden debris or strong currents.
- Turn around, don't drown
- Never drive around barricades
- Avoid underpasses and dips
- Watch for floating debris
- Move to higher ground if water rises
After the Water Recedes
Even after the rain stops, roads can remain unsafe. Water may have weakened the pavement or washed out the soil underneath, creating hidden sinkholes. Wait for local officials to reopen roads, and watch for signs of damage like cracks, bulges, or standing water on the surface.
If you must drive, go slowly and be ready to stop. Check your brakes after driving through any puddle, as water can reduce their effectiveness. If your car was flooded, have a mechanic inspect the engine, oil, and electrical systems before driving it again.
Protecting Your Home from Floods
While you focus on road safety, remember that a flash flood can also threaten your home. If water enters your basement or crawl space, act quickly to remove standing water and begin drying out the area. The longer moisture sits, the higher the risk of structural damage and mold growth.
If you live in Redmond, keep your shutoff valve location written down and know how to turn off your electricity if water nears. After a flood, a water damage inspection can help identify hidden moisture in walls and floors. Structural drying and dehumidification are often needed to prevent long-term issues.
When to Call the Pros
If your home has taken on water, local water damage pros can help with cleanup and restoration. They usually assess the extent of the damage, remove standing water, and dry out the structure. The work often involves specialized equipment, but the cost depends on the size of the affected area and the amount of water.
Do not attempt to clean up sewage-contaminated floodwater yourself, as it poses health risks. Wear protective gear if you must enter the area, and see a doctor if you feel unwell. For minor water damage, you may handle it yourself, but for anything beyond a small puddle, call the pros.
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Call Now (425) 407-5186Frequently asked questions
How deep can floodwater be before it is unsafe to drive?
Six inches of moving water can knock a person off their feet, and one foot of water can float many cars. Two feet of rushing water can carry away most vehicles, including SUVs and trucks. It is safest to avoid any flooded roadway entirely.
What should I do if my car stalls in floodwater?
If your car stalls, do not try to restart it, as water may have entered the engine. Exit the vehicle and move to higher ground if it is safe to do so. Call for help and wait for the water to recede before returning to the car.
Is it safe to walk through floodwater to get to safety?
No, walking through floodwater is dangerous. Moving water can sweep you off your feet, and the water may contain sewage, chemicals, or sharp debris. If you must walk, use a sturdy stick to check the ground and move slowly, but find an alternate route if possible.