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Safety advice - during floods and heavy rainfall

A flooded road with a flood signDriving in wet conditions can be hazardous, but you have a better chance of staying safe if you prepare for wet weather.
 
Even drivers with local knowledge can be caught out during heavy downpours, as even the most modern road surface is still susceptible to standing water. This creates a potential aquaplaning hazard as well as significantly reducing visibility.

 Take it easy through standing water and if the steering does become unresponsive due to the rain, ease off the accelerator and slow down gradually.

Driving during heavy rain

Be safe, and prepare for wet weather:

  • Use headlights when visibility is seriously reduced, generally when you cannot see for more than 100 metres (328 feet). You may also use front or rear fog lights but you MUST switch them off when visibility improves.

  • Give yourself the best chance of being able to see clearly in wet weather by renewing windscreen wipers if worn or damaged

  • Double the distance you leave between your car and the car in front of you, as stopping distances are increased by wet roads.

  • If steering becomes unresponsive due to the rain, ease off the accelerator and slow down gradually.
     

Driving on flooded roads and standing water

  • Only drive through water if you know that it's not too deep. Drive slowly and steadily to avoid creating a bow wave. Allow oncoming traffic to pass first and test your brakes as soon as you can after leaving the water.

  • Don't try driving through fast-moving water, such as at a flooded bridge approach – your car could easily be swept away.

  • Watch out for standing water, trying to avoid it if you can, and adjust your speed to the conditions.

  • Driving fast through standing water is dangerous; tyres lose contact with the road and you lose steering control in what's known as 'aquaplaning'. If you do experience aquaplaning, hold the steering wheel lightly and lift off the throttle until the tyres regain grip.

  • Driving fast through standing water is inconsiderate. Driving through water at speeds above a slow crawl can result in water being thrown onto pavements, soaking pedestrians or cyclists. You could face a hefty fine and between three and nine penalty points if the police believe you were driving without reasonable consideration for other road users.

  • Driving fast through standing water can cause expensive damage. The air intake on many cars is low down at the front of the engine bay and it only takes a small quantity of water sucked into the engine to cause serious damage. All engines are affected but turbo-charged and diesel engines are most vulnerable. 

  • As you drive slowly through standing water, use a low gear so the engine rev's are higher; water in the exhaust could otherwise damage the catalytic convertor.
     
    If you break down in heavy rain don't prop the bonnet open while you wait for the patrol to arrive. The engine will be more difficult to start again if the electrics are all rain-soaked.

Safety tips during floods

  • Do not attempt to walk through flooded areas. Even shallow water moving fast can sweep you off your feet and there may be hidden dangers such as open drains, damaged road surfaces, submerged debris or deep channels; these can cause serious injuries or even death.

  • Children should not be allowed to play in flood water, which can become contaminated with sewerage and chemicals

  • Do not smoke, eat or drink whilst in contact with floodwater and always wash your hands afterwards. 

  • Keep an eye on weather reports on local television or radio news channels. Do not travel in heavy rain storms unless absolutely necessary.

  • Look after neighbours. People have been known to suffer from hypothermia after their homes have become flooded with cold rainwater even in the summer time.

  • Remember that the during a storm the emergency services will be very busy, only call for immediate assistance if there is a risk to life or serious property or environmental damage

  • Following a flood in your home, make sure all electrical circuits are fully dried out and checked by an electrical engineer before switching back on can cause serious injuries or even death.

Safety advice during floods

Tips for staying safe during heavy rain and potential floods:

During very wet weather please remain vigilant and check the local flood warnings issued by the Environment Agency.

Environment Agency flood warnings (opens in new window)

Useful Links

Health Protection Agency website (opens in new window)

Environment Agency (opens in new window)

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  • Cheshire Fire & Rescue Service Headquarters,
    Sadler Rd, Winsford Cheshire,
    CW7 2FQ

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