Chaigou weather forecast

# Family members of marathon victims: Why rescue at night # 22, 202 1 (the 4th) Yellow River Shilin Mountain Marathon and Rural Revitalization Healthy Run was held in the Yellow River Shilin Scenic Area. The competition is divided into three groups: healthy running, 2 1km cross-country race and 100km cross-country race. According to the information released by the organizer, the number of participants in this competition is close to 1 10,000.

On the same day, around 13: 00, at the high altitude stage of the 100-kilometer cross-country race, from 20 km to 3 1 km, due to sudden extreme weather, severe weather such as hail, freezing rain and strong wind appeared in the local area, and the temperature plummeted. Some contestants were unwell and lost their body temperature, and the game stopped immediately. The local authorities immediately organized various forces to search and rescue those who lost contact.

By 8: 00 a.m. on 23rd, * * * had retrieved 15 1 contestants, 8 of whom were slightly injured and were treated in hospital. 2 1 The player lost his vital signs when he was found. The Gansu Provincial Party Committee and the provincial government have set up an incident investigation team to further investigate the cause of the incident.

At present, the Yellow River Shilin Scenic Area has issued a notice saying that the scenic area will be closed urgently on the 23rd, and the opening hours will be announced separately.

0 1

Then what happened?

According to the introduction of the headquarters, at about noon 1 on May 22, at the high altitude stage of the 100-kilometer cross-country race, 20 km to 3 1 km, due to sudden extreme weather, there were severe weather such as hail, freezing rain and strong wind in the local area, and the temperature plummeted, causing the contestants to feel unwell and lose temperature. Some athletes lost contact and the race stopped. The local authorities immediately organized various forces to search and rescue those who lost contact.

According to the contestants, "Today, the Yellow River Shilin cross-country race really encountered once-in-a-century weather, heavy rain and strong winds, and many people lost their body temperature. Most of the contestants chose to retire. " After encountering extreme weather, some players also applied for rescue through the competition group. He also said that many players lost their body temperature and were "seriously unable to move", "the wind was so strong that all the insulation blankets were blown to pieces" and "several people were unconscious and foaming at the mouth".

Why does a 7-8 storm cost marathoners so much?

Because they met the number one killer of outdoor sports-hypothermia.

02

Under what circumstances will it lose temperature?

Some people will say that we don't go to such dangerous places. What does it matter if we lose our temper?

So first, I want to ask you a question. How many people do you think can freeze to death?

A, above zero10;

B, zero is on 5;

C, zero degree;

D MINUS 5

E, above negative10;

Let me give two examples first.

20 12 12 an old man surnamed Qin, who lives alone in linkou district, Xinbei City, Taiwan Province Province, fell off the road in the morning and was injured. Suspected that he could not ride because of a fracture, it was cold and wet, and he died of hypothermia. The temperature that day was 12 degrees Celsius.

On 20 19 12, Thailand experienced a cold current and the temperature continued to drop. The temperature at night in many places is between 10 and 15. A 57-year-old woman slept with an electric fan on without a quilt, and was found stiff the next day. According to the preliminary judgment of the forensic doctor, it should be because of the loss of temperature. After the local area entered the cool season, this is already the fifth person to freeze to death.

Temperature loss sounds like it will happen in extremely cold conditions, but it is not the case. When the human environment is below 20℃, temperature loss may have occurred, and 0~ 10 is the high-incidence temperature range of temperature loss.

So at least one thing is clear. Under certain circumstances, freezing a person to death, if it is above zero, 10 or even higher, is by no means a fantasy!

Yes, although people don't necessarily go to places with high altitude and low temperature, it is estimated that everyone will go out by car, camp with their bare hands and take a walk.

So what if it loses temperature?

Stupid bird fungus slowly answers for everyone.

Let's talk about the cause of temperature loss first: temperature loss means that the heat generated by people is not as fast as heat dissipation, and the principle is the same as that in vernacular Chinese.

Super simple.

But what will lead to temperature loss? Many people think that temperature loss is cold, which is caused by low temperature. It's true. Low temperature is indeed an important cause of temperature loss, but it is not all.

According to the survey, quite a few people were still alive in a short time after the Titanic crash, and most of them were not drowned by seawater, but froze to death in cold seawater, in which temperature and humidity played a key role.

The normal body temperature is 37, so it is a heat source, so it will also transfer heat with the outside world. When the wind blows, it transfers heat with the outside through convection; When swimming, the heat of the body transfers heat with water through conduction; Even when the body is at rest, it will emit heat through radiation.

According to these three heat transfer modes: temperature, humidity and wind, these three factors are the most common direct causes of temperature loss.

As long as two of the three factors appear, temperature loss may occur.

03

What are the symptoms after losing temperature?

The next morning, the little girl sat in the corner, her cheeks flushed and her mouth was smiling. She died and froze to death on the eve of the old year. The new year's sun rose and shone on her little body. The little girl sat there with a burnt matchstick in her hand.

"She wants to warm up ..." People say. No one knows what wonderful things she has seen and how happy she is. She followed her grandmother to the happiness of the New Year.

This is the end of Andersen's The Little Match Girl.

I remember when I was young, when I saw this, I always thought:

The little girl dreamed of her family and a turkey dinner, and died with good hopes, expressing her yearning for a better life. But it froze to death in reality, reflecting the darkness of capitalism from the side.

But in fact, there is a very important knowledge point that China often won't tell you, that is, people who die of hypothermia often have a "smiling face" phenomenon.

It's not about emotion, it's about science.

Moreover, people with hypothermia are often quiet and don't struggle to call for help. Therefore, hypothermia is like a silent death, which will inadvertently take away people's lives.

Then how do we find out whether our body temperature has dropped or not?

Generally speaking, the temperature loss will go through four stages:

1, slight temperature loss.

The core temperature is 37 35.55 degrees. Signs: uncontrollable trembling. This is because in a cold environment, although you will feel cold at first, your body will also have chills due to the "heat preservation reaction", which can make the surrounding blood vessels contract, blood flow to the deep part of your body, and reduce the loss of heat.

In winter, when you go out in thin clothes, you will tremble unconsciously. It is also for this reason that it will burn when shaken.

2. Moderate temperature loss.

The core temperature is 35 33.88 degrees. Signs: loss of consciousness, loss of coordination, especially hands, if you can't zip up. At this time, under the regulation of the hypothalamic body temperature center, the skin blood vessels suddenly expand, and a large amount of blood will flow to the limbs.

At this time, although the body temperature has been dropping, the skin receptors feel the heat, which will produce an illusion. Therefore, people who are in a moderate temperature loss environment often feel very hot and take off their clothes.

3. Serious temperature loss

The core temperature is 33.88 30 degrees. This temperature will be fatal! At 33.88 32.22 degrees, there will be persistent severe trembling, difficulty in speaking, slow thinking and forgetfulness, obvious decline in activity ability, inability to use hands, frequent tripping when walking, depression, depression and intermittent trembling. At the temperature of 3 1 degree, the human body begins to hibernate, closing almost all peripheral blood circulation, and the respiratory and pulse frequencies are reduced.

4, finally died!

At 30 degrees, the human body enters a state that looks like death, but it is actually alive! At 30 degrees and 27.77 degrees, the muscles are stiff, semi-coma, coma, slow pulse and respiratory rate, and may have heart fibrillation. When it is between 27.77 degrees and 25.55 degrees, you lose consciousness, your heartbeat and breathing are unstable and very shallow, and your pulse may not be felt. Any sudden impact may cause ventricular fibrillation and lead to death. 25.55 24 degrees, pulmonary edema, heart and respiratory failure will occur. But it is likely to be dead before reaching this temperature.

This is why when it is extremely cold, people who have lost their body temperature will suddenly feel hot, that is, the brain is sending you a dangerous signal.

People who lose the temperature experience a completely different warm feeling from before, so they will become natural and even bring a satisfied smile before freezing to death.

Therefore, once you find yourself or your partner walking unsteadily, babbling, clumsy, complaining, and obviously undressing, it means that this person's movement coordination and consciousness have changed, so be alert to hypothermia.

04

How to treat after losing temperature?

What should we do if, unfortunately, all the above preventive measures fail and our or our companions' body temperature drops?

Mild temperature loss stage

1. Try to move patients with hypothermia out of dry and humid places and isolate them from cold air. Including: moving hypothermia patients to a dry leeward place to avoid exposure to wet and windy environment, being careful not to let the patients lie directly on the cold ground, taking off the patient's battered close-fitting clothes, and doing a good job of cold protection and warmth preservation of the head.

2. If the injured can eat, let them eat some liquid food as soon as possible, and then eat some sugary food;

Medium temperature loss stage:

1, wrap the hot water bottle with gloves or socks, and then put it under the armpit, neck and abdominal groove of the injured person;

2. If none of these can restore the body temperature of the injured person, it is necessary to let a warm teammate relieve the patient through direct physical contact under the condition of sleeping bag or other dry partition.

Avoid: do not give hot water to patients with moderate or above hypothermia!

Similarly, patients with moderate or above hypothermia should not drink hot water, which will rapidly dilate blood vessels, lead to hypotension, further reduce core body temperature, and may cause rewarming shock. The temperature brought by hot water is a drop in the bucket, but it has great side effects. Don't give the patient warm water containing sugar until he recovers to mild hypothermia. Severe temperature loss stage:

It is difficult to generate heat by itself, and more external help is needed. In addition to the above treatment methods, bonfire is a mild auxiliary rewarming scheme, which can effectively raise the ambient temperature and is of great help to first aid. Blowing hot air into the patient's body through the mouth is also a way to provide heat. Cardiopulmonary resuscitation first aid is also an essential scheme.

However, it should be emphasized that the heart beating of patients with severe hypothermia is very slow and slight, and they are very sensitive to external forces. Even when moving the patient, excessive action will lead to cardiac arrest and death! Therefore, CPR first aid, especially heart massage, must be carried out after confirming the pulse and heartbeat, otherwise it will be counterproductive! Moreover, patients with severe hypothermia can't return to normal state in the wild, so they can only fight for a few hours of survival time for hypothermia patients with cardiopulmonary resuscitation until they are sent to the hospital.

05

In addition to the above knowledge, to avoid outdoor temperature loss, in fact, the best solution is to get ready before departure, prepare corresponding clothes according to the weather conditions, and put a dry and warm clothes in your backpack at any time for emergencies. Don't let your guard down just because the weather forecast says it's sunny and the temperature is moderate.

The last thing I want to say to you is:

Never putting yourself in danger is the best way to prevent it.