How much wind can people bear?

Generally speaking, people can resist six winds.

The six-level wind is called strong wind, and the branches blown by the wind will shake, making it difficult for people to walk with umbrellas. If you walk normally, you should also go against the fashion.

Wind has both magnitude and direction, so the wind forecast includes wind speed and direction. The wind speed is often expressed by several levels of wind, and the level of wind is determined according to the degree of influence of wind on ground objects. Meteorology is generally divided into twelve grades according to the magnitude of wind. Level 0 wind is also called no wind, level 2 wind is called small wind, leaves make a slight noise, and people feel windy.

Level 4 wind is called breeze, the twigs of trees shake, which can blow up dust and paper on the ground, while level 6 wind is called strong wind, branches shake and wires whir. The 8-level wind is called gale, the twigs of trees can be broken, and people walk in the wind with great resistance. 10 wind is called gale, which is rare on land. Trees can be pulled up and buildings are seriously damaged.

Winds above 12 are called typhoons (hurricanes), which have great destructive power and are rare on land. In the weather forecast, we often hear such terms as "the north wind is 4 to 5", and the wind force referred to at this time is the average wind force. For example, when we hear the term "gust 7", the gust refers to the wind with large and small wind speeds, and the wind force at this time refers to the general wind force.

Safety measures in windy days

1. Try to avoid the "narrow tube effect" when walking and cycling.

Pay attention to the long and narrow passages between tall buildings when walking or cycling. Because the narrow passage will form a "narrow tube effect", the wind in the passage will increase, which will bring certain danger to pedestrians.

Don't stay in billboards and old trees for a long time.

Some billboards may collapse under the strong wind because they are not installed firmly, and some old trees may break in the windy weather because they are dead and have a weak foundation, causing danger to pedestrians.

3. Pay attention to the safety of light vehicles.

Because of its light weight, light vehicles may be lifted by strong winds when driving at high speed. You should put some heavy things on the light car or drive slowly.

4. Pay attention to cycling as little as possible.

Because in windy weather, tailwind or headwind will not cause too much danger to riding, but once riding in crosswind, it may be blown down by strong wind, causing physical injury.

5, go out to do a good job of protection

When going out in windy weather, you should take good protection and carry dust-proof items such as masks and scarves to avoid dust damage to your eyes and respiratory system.

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