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Tropical storm #Dineo hits SA: 12 life-saving tips for motorists

2017-02-16 20:49

ADVERSE WEATHER: Tropical Storm Dineo is lashing parts of SA. Image: News24

Johannesburg - Tropical storm Dineo  has hit parts of South Africa and motorists are cautioned to avoid using roads in affected areas. 

The South African Weather Service said the country will experience severe storms and heavy rains starting from Thursday, February 16, until Sunday February 19 in Mpumalanga and Limpopo. 

It noted: "The provinces of Limpopo, Mpumalanga and the extreme northern parts of KZN to be more affected leaving behind disastrous conditions."

The Department of Cooperative Governance said: "The Tropical Storms will lead to flooding that might cut off many communities, displace others, lead to loss of life, destruction of infrastructure and property. South Africa will not be immune or spared from the wrath of this cyclone."

The dangers of rapid, flowing water on our roads: List provided by Arrive Alive 

  • Flowing water applies pressure to contact areas. The higher the speed the higher the pressure.

  • With water that is 1m high it will flow out at a speed of 4.47 meters per second or 16km/h.

  • Water that has fallen only 0.4m reaches a speed of 3.2km/h and can sweep a car off a road bridge.

  • When water touches the underside of a vehicle, depending on the strength of the flow, it can lift a vehicle and even carry it away.

  • A water depth of only 0.6m can float a car.

Dealing with flooded roads

READ: Weather update - #Dineo brings with it heavy rains, floods 

The AA urges all motorists caught up in floods to follow some basic rules to negotiate the safest route out of these situations. It said the most important factor in dealing with floods was trying to avoid them in the first place. 

“On days when the weather is heavy, motorists should listen to local radio traffic reports, monitor social media, and check online websites for advisories and cautions. If roads on your normal route are flooded, avoid them and seek alternatives, even if it means you will take a lot longer to get to your destination,” the AA advised.

Important rules need to be followed during a flood:

Firstly, if possible, turn around and drive away from the flooded area. If this isn’t possible, try and gauge the depth of the water ahead by watching other vehicles negotiate a specific stretch of water.

Do not attempt to go through this if it is deeper than 20 centimetres as the water may damage mechanical and electronic components of your vehicle.

Some other tips to negotiate flooded roads include:

1. Obey authorities and emergency personnel who tell you to avoid driving on a specific road. If a road has been closed, obey the closure, and drive the alternative route.

2. Do not try and cross a body of water, even if you think you can make it, as the water may be deeper than you think, and the road may have eroded since you last used it.

3. If there is a risk you will be caught in a flood, pull off the road and look for higher ground.

4. If you do pull off, make sure you leave enough space for emergency vehicles to pass you. 

5. If you have no alternative but to drive through a body of water, drive as slow as possible in first gear with both hands on the steering wheel. This will give your car the necessary traction to move forward. Driving fast may result in aquaplaning.

6. Ensure you are as visible as possible. Switch on your headlights.

7. If your car is being surrounded by water, unfasten your seatbelt (and those of any children with you), unlock your doors, and open your windows. If water starts entering through the windows, get out of the vehicle and wade to the nearest point of safer higher ground. Remember, you are more important than your car.

8. If your car is suddenly submerged and your windows aren’t already open, try and break a window and swim to the nearest point of safety.

9. If you are caught in a flood, be patient and remain calm. The AA, and emergency services will get you but there may be delays as they have to negotiate the same hazards.

10. Be especially cautious at night, or when visibility is low, as it may be harder to see floods ahead.

11. If you do make it through the water, check your car for any damage, and feather the brakes to dry them. Have an expert examine your vehicle afterwards for any damage that be longer lasting. 

12. If your car has been partially or completely submerged, and you have stopped in a body of water, don’t try and start it unless you have had a technician look at it as this may result in damage to the engine. 

“Finally, it is important to remain as calm as possible in these situations and assess the best way out. If this means leaving your car, do that rather than attempt to get your car through when it clearly won’t make it as you may be endangering your life and those of any passengers with you,” the AA concluded.

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