Precautions for thundering, precautions for thundering

If you think it's funny, you can do an experiment, and every time there is thunder, you record whether there are any electrical appliances burned, so that you are very good.

In your lifetime, there may be an opportunity for you to announce that your home appliances have finally been burned by lightning and that your wish will come true.

Lightning usually strikes the spire of the tallest object outdoors, so isolated tall trees or buildings are often the most susceptible to lightning strikes, and people should follow these rules outdoors to ensure safety. 1. Do not stay on the top of high-rise platforms, mountain tops, ridges or buildings (structures) during thunderstorms, and do not stay in small buildings, garages, carports, sentry boxes and nearby without lightning protection facilities. 2. Keep away from exposed metal objects such as water pipes and gas pipes and electrical equipment in buildings.

3. It is not advisable to take shelter from thunderstorms under big trees, if you have to do so, you must keep a distance of at least 5 meters from the trunk, squat and put your legs together. 4. If there is a feeling of ants crawling away on the head, neck and hands when the thunder and lightning are combined, and the hair stands up, it means that a lightning strike will occur, and you should quickly lie on the ground, which can reduce the danger of being struck by lightning, and take away the metal jewelry, hairpins, necklaces, etc. 5. If you encounter a thunderstorm outdoors and have no time to leave a tall object, you should immediately find some dry insulation and put it on the ground, and sit on it with your feet together, and do not put your feet on the ground other than the insulator, because water can conduct electricity.

6. When sheltering from thunderstorms outdoors, you should be careful not to support the ground with your hands, hold your knees with your hands at the same time, keep your chest close to your knees, and lower your head as much as possible, because your head is more susceptible to lightning strikes than other parts of your body. 7. When you hear thunder within a few seconds of seeing lightning outdoors, it means that you are in a dangerous environment near a thunderstorm, at this time you should stop walking, put your feet together and squat immediately, do not pull together with people, it is best to use plastic rain gear, raincoats, etc. 8. In thunderstorms, it is not advisable to play umbrellas in the wilderness, or hold badminton rackets, golf clubs, hoes, etc., to avoid increasing the effective height of people to become "tip" and be struck by lightning.

It is not suitable for outdoor ball games, and it is very dangerous to play football, basketball and other sports in thunderstorms; It is not advisable to stay on the surface of the water and near the water; It is not advisable to wash clothes, fish, swim or play near the river. 8. In thunderstorms, it is not advisable to play umbrellas in the wilderness, or hold badminton rackets, golf clubs, hoes, etc., to avoid increasing the effective height of people to become "tip" and be struck by lightning. It is not suitable for outdoor ball games, and it is very dangerous to play football, basketball and other sports in thunderstorms; It is not advisable to stay on the surface of the water and near the water; It is not advisable to wash clothes, fish, swim or play near the river.

9. In thunderstorms, it is not advisable to drive a motorcycle quickly, ride a bicycle quickly and run wildly in the rain, because the greater the stride of the body, the greater the voltage, and the easier it is to hurt people. 10. If you see the high-voltage line broken by lightning outdoors, you should be vigilant at this time, because there is a stepping voltage near the breakpoint of the high-voltage line.

Don't hit ** under the tree.

At that time, the ground temperature was around zero degrees Celsius, and the conditions for snow were available. At high altitude, warm and moist air climbs violently, and a strong convection phenomenon occurs, forming cumulonimbus clouds, so there is a weather phenomenon of snow on one side and thunder on the other. There are many currents of air in the air that are constantly moving.

Some of these currents run upwards and some downwards, in different directions and at different speeds, some are fast and some are slow. The movement of the air currents causes the cumulus clouds in the air to either rush upwards and some downwards. The friction between clouds and clouds causes clouds to carry different kinds of charges.

Since the same kind of charges are repulsive, the positive and negative charges are concentrated at the opposite ends of the cloud. The faster the air moves, the thicker the clouds, and the more electricity is carried. When the electricity carried by the cumulus clouds reaches a certain level, it will pass through the air and neutralize the two charges.

Because when electricity passes through the air, it will heat up, causing the air to expand rapidly, thus making a loud noise, which is the transport mine. If the charged cumulus cloud is relatively close to the ground, the electrostatic inductance will cause the ground to carry a different charge than the lower layer of the cloud. When the charge reaches a certain level, the cumulus cloud will discharge to the ground, which is a landing mine that is easy to cause disasters.

Generally speaking, it is easy to discharge from ** when there is something protruding from the ground, so when we are in the wilderness, we cannot go to the tall trees to take shelter from the rain.

Thunderstorm precautions are as follows:1. When thunderstorm and lightning, do not dial and answer, and unplug the ** line. The phone can be used normally.

However, in general, try not to receive mobile phones outdoors or indoors near a window.

2. When thunderstorm lightning, do not turn on the TV, computer, VCD player, etc., unplug all power plugs, turn off household appliances, and unplug the power plug to prevent lightning from invading from the power cord.

3. Don't stand under the light bulb and don't take a shower.

4. Try not to go out, if you must go out, it is best to wear rubber shoes and a raincoat, which can play an insulating role in lightning.

Outdoor: Do not play outdoor ball games, such as golf, football, etc.; Do not swim or do other water sports; Don't stop at the top of a hill or on a platform from a tall building; In open places, it is not advisable to enter isolated sheds, sentry boxes, etc. 2.

Keep away from exposed metal objects such as water pipes and gas pipes and electrical equipment outside buildings. 3.It is not advisable to take shelter from a thunderstorm under an isolated tree.

It is best to keep a distance of 5 meters from the trunk of the tree during thunder, squat down and keep your legs together, if you hold a large tree with your hands, it is as dangerous as touching a lightning rod with your hands. 4.When you stand in an open area, if you feel the hair on your body suddenly stand up, feel a slight tingling, or even hear a slight popping sound, this is a sign that thunder and lightning are about to hit you.

In this case, you should immediately crouch down, lean forward, put your hands on your knees, bend them into a ball, and never lie flat on the ground. 5.When you are in a dangerous situation during a thunderstorm, you should stop walking, put your feet together and squat down immediately, and do not pull together with people.

6.When going out in rainy weather, it is best to wear rubber shoes, which can play the role of insulation. 7.

It is not advisable to stay at the water's edge or in depressions, because the water body has good conductivity and is prone to lightning strikes. 8.It is not advisable to drive fast motorcycles, fast bikes and run wild in the rain.

9.If you see the high-voltage line broken by lightning, you should be vigilant, because there is a stepping voltage near the high-voltage line breakpoint, and people who are nearby should not run at this time, but should put their feet together and jump away from the scene. 10.

Don't call or answer your phone when it's thundering, it's best to turn off your phone Indoors: Indoors, as long as the house you live in has a lightning rod, it's very safe, but still pay attention: don't turn on the TV, don't listen to **, don't surf the Internet.

Keep your feet together to avoid stepping into the voltage. You may want to ask what is a step voltage. When a live wire of the overhead line falls to the ground, the potential of the landing point is the same as that of the live wire, and the current will flow from the landing point of the wire to the earth, so the ground is centered on the wire landing point, forming an electric potential distribution area, the farther away from the landing point, the more dispersed the current, and the lower the ground potential.

20 meters away from the landing point of the wire, the ground potential is approximately equal to zero. The landing point of the electrical wire is the center of the circle, and a number of concentric circles are drawn to approximate the potential distribution around the landing point. When a person is in this area, when the two feet stand in different positions from the landing point, there is a potential difference between the two feet, and this potential difference is called the step voltage.

The higher the voltage of the floor wire, the closer it is to the landing point, and the higher the step voltage. Of course, you can't watch TV with thunder. Everything related to electricity is best not to use, TV, **, computer will produce electromagnetic waves, thunder, electric current is easy to enter your house through electromagnetic waves (installing lightning rods may be in better condition) to destroy the TV you are a**, **, or computer.

Last year, my aunt's TV didn't turn on.,Because the antenna wasn't unplugged.,It was all damaged by lightning.。。 Also, you can't turn on the water heater, don't forget, the water conducts electricity very well.

Doors and windows need to be closed indoors to prevent lightning from hitting the room directly or spherical lightning from drifting into the room. People should not stand under the light bulb and cut off the power supply of household appliances to avoid damaging the appliances. Try not to make, answer, or use the Internet.

Do not take shelter outdoors under large trees, near telephone poles, do not walk or stand in open fields, and should take shelter in low-lying places as soon as possible, or find a house to take shelter as soon as possible.

Do not go to rivers, rivers, lakes for swimming, boating, fishing, etc., and do not stick your head or hands out of the window when it is thundering.

Stay away from exposed metal objects such as water pipes and gas pipes outside buildings, and do not use umbrellas in the wilderness, or hold badminton rackets, golf clubs, hoes, etc. alof.

1. When thundering, close the doors and windows to prevent lightning from hitting the room directly.

2. In the event of a thunderstorm, try not to dial or answer, and unplug the power supply and the cable and TV closed circuit.

3. In case of thunderstorms, people should not stand under the bulb, and the power supply of household appliances should be cut off to avoid damage to electrical appliances.

Do not hide in the woods or under large trees on the side of the hillside road during thunderstorms;

Do not wear wet clothing to walk near isolated high-rise buildings, chimneys, and electric poles;

Do not swim or row in rivers, lakes, rivers;

When thundering, be careful not to approach metal objects, such as water pipes, gas pipes, electricity.

Wire, ironware, etc. Wherever lightning strikes, turn on the radio and television.

If a lightning strike occurs, it should be immediately rescued on the spot, and chest heart compression and artificial respiration should be carried out quickly. After on-site first aid, breathing and heartbeat resuscitation, they will be sent to a nearby hospital in time to avoid delaying the rescue time.

In the past week, there have been continuous thunderstorms in Beijing, and three days ago, it was reported that someone in Hebei Province was killed by lightning on the spot when he hit his mobile phone during thunder, which once again aroused people's attention to whether they could use their mobile phones during thunder. So, from a technical point of view, will the mobile phone itself lead to thunder?

Electromagnetic waves can lead to lightning.

On Wednesday, an unnamed technical expert at LG Mobile said in an interview with reporters that mobile phones, wireless Internet access, and even using solar water heaters to take a bath could cause induction lightning attacks. Because the electromagnetic waves of mobile phones are good conductors of lightning, they can collect and guide lightning in a large range. Subsequently, the reporter also learned from a technical expert from Motorola that the radio waves of mobile phones, that is, electromagnetic waves, can attract and conduct lightning.

Therefore, the opinions of experts on electromagnetic waves are basically the same.

However, there is no unified view on whether electromagnetic waves will cause users to be struck by lightning.

Electromagnetic waves are the culprit?

In an interview with reporters, the person in charge of the lightning protection center office of the Beijing Meteorological Bureau said that they could not answer the question of whether they could use their mobile phones during thunderstorms because this question is still in dispute. Technical experts from Motorola said that the occurrence of lightning strikes is because people who are alone in the wilderness or mountains (high places) during thunderstorms are prone to danger, and if you use your mobile phone at this time, the probability of being struck by lightning will increase a lot. If there are lightning protection facilities around, it is relatively much safer.

Another senior expert said that it is very unsafe for people to stay alone in an open field during a thunderstorm, because people are at the highest point at this time and face the threat of direct lightning. The mobile phone is automatically sending electromagnetic waves even when it does not answer, so although the current mobile phone electromagnetic waves can lead lightning (induction lightning) has not been studied by experts, for the sake of safety, when people are in the outdoor activities without lightning protection facilities around the thunderstorm, the mobile phone should be turned off in time. But people who move on the streets of the city are much safer, because the tall buildings around you and objects taller than you are better lightning arresters.

Indoor lightning protection. 1. When thunder, the first thing to do is to close the doors and windows to prevent lightning from hitting indoor objects directly or spherical lightning from drifting into the room.

2. In case of thunderstorms, people should not stand under the bulb, and the power supply of household appliances needs to be cut off to avoid damage to electrical appliances.

3. During thunderstorms, try not to call, answer or use** the Internet, at this time, you should unplug the power supply and the metal wires that may introduce lightning such as the ** line and the TV closed circuit.

4. Leave the metal water pipe and the sewer pipe connected to the roof indoors. 5. Do not pull the wire used for drying clothes and bedding to the window or door, so as to prevent the death of people caused by lightning caused by wire.

Outdoor lightning protection. 1. During thunderstorms, do not answer and call mobile phones outdoors, because the electromagnetic waves of mobile phones will also lead to thunder. At the same time, it is strictly forbidden to approach some power facilities that are operating during thunderstorming, and actively avoid dangerous environments.

2. People will generally not be attacked by lightning when they are in the car, but they should not put their heads and hands out of the window when they encounter thunder in the car.

3. In the event of a sudden thunderstorm, when the hair is stiff and stands up, you should squat down, reduce your height, and at the same time bring your feet together to reduce the harm caused by the stepping voltage.

4. Do not take shelter from the rain under a large tree. It is best to stay at least 5 meters away from the tree when thundering to avoid the tree being knocked down by lightning and injuring yourself.

5. When going out in thunderstorms, it is best to wear rubber shoes, which can play a role in insulation.