78 million people evacuated from the fire in California, USA, has the fire been extinguished?

As of October 17, 2020, the fire was extinguished.

According to CNN, the fire ignited before 5 p.m. local time on the 31st, and no personnel have been reported at this time. Riverside County Fire Department said one family's home and two outbuildings were destroyed. As of the evening of the 1st, the burned area reached 10,000 acres (about 4,856 hectares), due to the ferocity of the fire and the high temperature of more than 40 degrees Celsius.

There was a big news story in California recently. Wildfires in California are burning again. Thousands of people were forced to evacuate and go elsewhere.

Netizens have expressed their worries, and some netizens asked, this fire caused the evacuation of 78 million people, so has the fire been extinguished? According to the local fire department, only 20 percent of the fires were under control. As for the cause of **, it is also under investigation.

Just a few days ago, another wildfire broke out in the mountains of southern California. More than 83 square kilometers of land have been burned and 78 million people are being evacuated due to the impact of the wildfires. In order to successfully extinguish the wildfire, 3,000 firefighters joined in the firefighting work.

However, because the fire was too large to extinguish easily, only 20% of the fire was brought under control thanks to the fire department's efforts to work day and night. As for the ** reason, it is still under investigation. The local fire department also said that in the process of extinguishing the fire, they will also pay attention to epidemic prevention work.

After all, the epidemic in the United States is still raging.

There are many causes of wildfires, and many firefighters die every year because they join the organization to fight wildfires. The cause of a wildfire is usually caused by lightning, but it cannot be ruled out that it may be deliberately set on fire or that the weather is too dry to cause a fire to be ignited unintentionally. The season for wildfires is usually summer, because the summer is dry and hot, and it is easy to cause disasters.

Once the fire is caused, it will spread at a very fast speed, and firefighters must be used to extinguish the fire in time.

Getting a fire under control is not a simple matter. It takes the continuous hard work of firefighters to be able to put out the fire. Now, with only a few days to go, it's good to be able to bring 20% of the fires under control.

The fire may continue to spread, and the firefighters will have a hard time. It is hoped that firefighters will pay attention to epidemic prevention while working hard.

About 7,800 people were evacuated after a fire broke out in Los Angeles, Calif., on Sunday. According to CNN, the fire broke out at around 5 p.m. local time on Wednesday, and no personnel have been reported yet.

The Riverside County Fire Department said one family's house and two outhouses were destroyed. As of Monday night, the fire had burned 12,000 acres (4,856 hectares) and is currently difficult to control due to the ferocity of the fire and the heat exceeding 40 degrees Celsius.

Not extinguished yet. The fire in California, USA, was relatively violent, and the weather temperature was high, making it difficult to approach and difficult to extinguish.

extinguished, a fire broke out in the east of Los Angeles, California, USA on the 31st local time, and about 7,800 people have been evacuated. The fire ignited before 5 p.m. local time on the 31st, and no personnel have been reported at this time.

Due to the ferocity of the fire and the high temperature of more than 40 degrees Celsius, it was difficult to fight the fire, and the fire was not controlled as of the evening of the 1st, and it has been brought under control.

Many firefighters are currently working to control the fire with the help of multiple firefighting aircraft, and it is believed that the fire will be extinguished in the near future.

Once a wildfire occurs, it is not easy to extinguish, and there are two reasons for this, in my opinion. First, the wildfires are ferocious, often occurring in the high temperature and dry season, and all the vegetation in the mountain forest is combustible; Under the influence of the wind, the burning becomes rapid and devours more vegetation, so more rescue forces need to be put into extinguishment.

More than 5,000 people were forced to evacuate from a wildfire that broke out in California, USA, in order to prevent the wildfires from threatening the safety of residents. Even such an approach only ensured the safety of people's lives, but failed to successfully extinguish the fire. Once a wildfire has started, the best time to extinguish the fire is at the beginning, after which it becomes difficult to extinguish the fire, and there are two reasons for this.

Normally, wildfires tend to occur in late spring and early summer, when the forests are drier and the temperature is rising. This summer's wildfires are frequent, all due to persistent high temperatures and dry weather. If a wildfire starts in such weather, the fire will expand rapidly, and the burned area will become larger and larger.

Once the mountain forest is baked, under the high temperature baking, the green vegetation containing water will also be easy to be ignited like dry firewood. Because of its moisture, it can reduce the temperature of the core of the flame, and in many cases, it can play a better burning effect than dry firewood.

If there is enough combustibles, the wildfires will spread rapidly, and if people are not evacuated in time, their lives will be in danger. Excessive burning area, coupled with the influence of natural factors, will make the mountain fire burn in the most favorable direction. Once a wildfire is ignited, if you want to extinguish it, you need to invest more rescuers and equipment to rush to the progress of the wildfire, and before the wildfire arrives, the combustibles will be used to stop the wildfire from burning.

The more people who put out the wildfire, the better, and when everyone works together, they can buy time and get the fire extinguished.

Frequent changes in wind direction are also important reasons why wildfires are difficult to extinguish. Wildfires mostly occur in places with relatively high altitudes in the mountains and forests, and there is often wind in these places, but the way is constantly changing, if the wind direction changes when the fire is about to be extinguished, then the fire will rush towards the person who extinguished the fire, and the achievements of the fire extinguishing will be wasted.

This is due to the rapid spread of wildfires and the relatively high temperature around wildfires, so there will be great problems and difficulties in the process of extinguishing them.

Wildfires have a particularly large area of contact and are exposed to air, with plenty of oxygen and wind.

Forest area: California's forest area is also the basis for frequent wildfires, reaching 190,000 square kilometers, which is larger than the area of our Liaoning province. Nine of the 59 national parks in the United States are located in California.

Unfortunately, many of California's forests have dense bushes and eucalyptus trees, which are very high in oil and very flammable. In addition to this foundation, there are other key factors that lead to the California wildfires that occur every year.

Mediterranean climate: Located between 32° and 42° north latitude, California has a typical Mediterranean climate, with generally very dry summers and rainy winters. The different periods of rain and heat have become an important factor in the frequent occurrence of wildfires in California.

Climate change: Climate change caused by human activities has increased the stakes for wildfires caused by the Mediterranean climate. As global warming intensifies, temperatures get higher and rainwater evaporates more and more in California, resulting in drier weather.

This year is the case, and the whole of North America has fallen into extremely rare extreme heat weather, which is even more "tiger-friendly" for wildfires.

Many parts of California are so arid that there is only thunder and no rain, and lightning can cause fires when it touches the forest. Experts speculate that as the climate worsens, the area of California burned by wildfires will increase by 77% by the end of the century!

Other factors: human activities, can also lead to the occurrence of wildfires. Taking China as an example, 97% of the wildfires that occurred in the 10 years from 2010 to 2019 were caused by man-made, such as smoking, agricultural fire, mountain reforestation, sacrifice (the United States should not have this one), etc., I believe that there is no shortage of such things in the United States.

In addition, in 2018, a wildfire in California caused by an electrical transmission line killed 85 people. At this moment, the United States is about to usher in Independence Day (July 4), and many departments are also calling for the indiscriminate use of fireworks, which can lead to unexpected wildfires.

The California fires are a well-known catastrophic phenomenon. Not only because of its wide range, but also because of its wide impact, the impact on life is more serious. It is also because it is a frequent phenomenon, every three or five years, or even every year, it has to come out and burn it.

So why is there a fire in California? Let's analyze its reasons.

First, there are climatic reasons. California has a Mediterranean climate. Every year from November to May, California is very hot and does not rain.

This is also the time when the famous California fires began to ignite. In the coastal region of California, a trough of high air low pressure is generated in the fall and winter, forming a convection current with the high pressure in the interior of California. This convection, in turn, happens to be blocked by the Sierra Nevada Mountains in eastern California, and the convective air flow is lifted to the summit.

and from the top of the mountain down to the ** valley. The wind speed instantly strengthened. Its instantaneous speed can reach more than 100 kilometers per hour.

The second is the issue of local vegetation. Most of California's vegetation is coniferous. The oil content of coniferous forests is much higher than that of ordinary plants.

And because of the aforementioned climatic reasons, it doesn't rain, so the plants on the mountain are dormant. The water content in the plant is very low. This is also a big reason why it is easy to burn.

And the canopy of these coniferous forests is progressively from low to high. Once **, it is easy to form a fire ladder, leading to the generation of canopy fires. This is fundamentally different from deciduous forests.

Before the 70s in California, forests were mainly used for timber production. Artificial logging has thinned out trees, and human activities have reduced litter in the forest, which has played a certain role in fire prevention. But in recent years, with the increase in environmental needs, forests have been largely cut off, and littered and dense trees have become natural fuel for California's fires.

To sum up, California fires, with the blessing of hot and dry winds and abundant fuel, are an inevitable phenomenon, and they often come out every now and then, and California residents are no longer surprised.

Recently, a huge wildfire broke out in the northern part of California, which was the worst fire in California's history, killing more than 70 people and leaving thousands missing.

The fires in California are caused by climatic reasons and local vegetation problems, and the southern part of California has a tropical desert climate with a large temperature difference between the four seasons and day and night, and the average annual precipitation is less than 10 inches. The desert climate results in dry air in wooded areas close to the southern regions. Sequoia is the symbol of California, and the fir tree is one of the more flammable species.

Regional environmental factors, because of the bush and high temperature can especially lead to the occurrence of ** disaster, coupled with the effect of the wind, so the fire will spread.

It may be due to natural causes. Because the weather is very hot in summer, there are many dry trees in the mountain forest, and it is very easy to catch fire and fire.

The weather is dry. Every day in California, there are fires caused by dry weather, and many things in the mountains are flammable when the weather is dry.

It was caused by a mountain fire, and because there are many primeval forests in the area, spontaneous combustion occurs when rotten leaves and branches accumulate in the woods for too long, and the fire is not controlled in time.

The climate is dry, with a desert climate resulting in dry air in the wooded areas that pass through the southern regions. Man-made reasons, barbecues in the wild, discarded fires, etc.

Campfires were the cause of the fires in California, fueled by high winds and dry weather.

A large-scale wildfire broke out in the northern part of California, according to local reports, on September 2, local time, someone found a small tree burning on the mountain, and then the wildfire quickly spread to more than 10 square kilometers in just a few hours, as of the local 3rd, the fire has burned more than 1,600 hectares of land, many civilians have been injured, houses and vehicles were destroyed, large-scale power outages can be seen everywhere, so the governor of California said that it immediately entered a state of emergency, More than 5,000 residents have been forced to evacuate. The California fires have been burning for a whole day. <>

According to local **, the fire is the eighth major fire in northern California since this summer, but the locals have not learned the lessons of history to lead to the accident. The wildfire only had a small ** spot on the 2nd, but it did not receive attention and attention, and the speed of the wildfire itself was extremely fast, so it only took a few hours for the wildfire to spread more than 10 square kilometersThe wildfire, which lasted for a whole day, was only about 20% contained until the next morning. <>

The governor of California immediately issued a public statement, saying that a state of emergency has been entered in California, and all residents who have been affected and may be affected must be evacuated, and it is estimated that more than 5,000 residents have been forced to evacuate. But compared to this,The day-long fire has already destroyed many homes, including many large buildings, and the roads are littered with burned cars and wreckageThe local hospital has also received quite a few patients who were burned by the fire. Therefore, although the fire only lasted for one day, it posed a huge threat to the lives and property of local residents.

Although the fire was initially brought under control on the morning of the second day of the fire, due to various reasons such as terrain and wind direction, it will take a long time to completely extinguish the fire, so that firefighters can find the fastest and safest way to extinguish the fire.