What are the hazards of lightning, rainstorm, hail, typhoon, gale, high-temperature sandstorm, smog, foggy road, freezing, blizzard, frost and cold wave?

The specific hazards of lightning are as follows:

1. The high voltage effect of lightning current will generate impulse voltage as high as tens of thousands of volts or even hundreds of thousands of volts, which will instantly impact electrical equipment, breakdown insulation, make equipment short-circuited, and lead to direct disasters such as combustion and explosion.

2. The high heat effect of lightning current will produce a lot of heat energy, and the heat at the lightning point will be very high, which can lead to metal melting and fire explosion.

3. The mechanical effect of lightning current is mainly manifested in the explosion, distortion, collapse and tear of the struck object, resulting in property losses and casualties.

4. Lightning electrostatic induction can induce a large amount of charge on the conductor of the struck object, which is contrary to lightning. When lightning disappears before it can disperse, it will produce high voltage, which will lead to a fire.

5. Lightning electromagnetic induction will produce a strong alternating electromagnetic field around the lightning strike point, and the induced current will cause local overheating of the transformer, leading to a fire.

6. The invasion of lightning waves and the high voltage on lightning protection devices will also lead to the open circuit and burning of distribution devices or wires, thus leading to fire.

The specific hazards of rainstorm are as follows:

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Flood disaster: the occurrence of flood disaster is due to heavy rain or excessive concentration of water caused by heavy rain Heavy rains can also lead to flash floods and river flooding. Flood disaster not only harms crops, fruit industry and fishery, but also damages farmhouses and industrial and agricultural facilities, and even causes human and animal casualties and serious economic losses.

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Waterlogging disaster: Waterlogging disaster includes two parts: waterlogging disaster and waterlogging disaster. Waterlogging is due to the accumulation of water in farmland after rain, which exceeds the flood resistance of crops. Waterlogging is mainly due to the high groundwater level, which often leads to the saturation of soil moisture and water can not be discharged. There is too much water in the active layer of crop root system, which is not conducive to crop growth and forms waterlogging disaster.

What are the hazards of hail?

1. Generally, hail disasters occur in a small range and in a short time, but they are fierce and strong, often accompanied by strong winds, heavy precipitation, rapid cooling and other bad weather, which brings huge losses to agriculture, forestry, communications, construction and other industries as well as people's lives and property.

2. When the hail comes, if the car is left outside, the hail will break the car glass and even throw the car out of the pit. However, if a person is hit on the head by hail more than 5 cm without proper protection, it will lead to coma. If this happens, he needs to see a doctor in time.

3. The impact of hail on agriculture is also enormous. Hail fell from the sky with great impact. Coupled with the storm, its destructive power is even stronger. The hail with larger diameter will cause devastating damage to fruit trees, vegetables and other crops that are flowering and fruiting, resulting in no grain harvest in the grain field, which directly affects the supply of fruits and vegetables in the city and causes great losses.