Where does the winter tiger freezing rain and blizzard come from? ** Forming Mysteries.
In winter, a type of climate change called the "Winter Tiger" is called "cold rain". "Ice" is a terrifying climate far beyond blizzards, which can not only provide people with excellent snow scenes, but also cause great inconvenience and danger to people's lives. Where did this rain come from? Now, let's take a look.
The formation of cold rain bands can be divided into three periods: upward movement, condensation and subsidence. First, the water vapor above the surface is affected by the cold air and slowly rises. When the air temperature drops, the water vapor slowly condenses into tiny ice crystals. Tiny ice crystals float and move in the air until they hit the ground.
Temperature is an important factor affecting the formation of freezing rain. As the water vapor in the air increases, the temperature drops to freezing. At this point, the steam turns into tiny ice crystals. In addition, surface air temperature also plays a role in freezing rainfall. If the surface temperature drops below freezing, fine ice particles will fall on the ground and become freezing rain. If the surface temperature is above freezing, the tiny crystals will dissolve into water, resulting in rain.
The precipitation pattern in cold regions is closely related to geography, meteorology and other factors. The distribution of freezing rain varies between mountains and plains. In mountainous areas, due to the effect of topography, the spatial distribution of temperature is often unbalanced, which is easy to cause low temperature rainfall. The climatic conditions in the plains are relatively stable, and the possibility of low temperature precipitation is very small. In addition, meteorological factors also have a certain influence on the spatial distribution of frozen precipitation. In humid areas, freezing rain is more likely. In arid regions, freezing rain is unlikely.
Freezing rain has dramatically changed our lives. First, freezing weather can freeze the road surface, increasing the risk of a car accident. However, because it is extremely fine and difficult to remove, the road surface is covered with a thick layer of ice, which poses a great threat to traffic safety. In addition, freezing rain can also freeze power lines, tree branches and other objects, thereby increasing the risk of damage and collapse of buildings, and posing a great threat to people's lives.
Freezing rain has also severely affected crops and water sources. Freezing rain can cause low temperature and chilling damage to crops, which will bring huge economic losses to agriculture. In addition, low temperature rainfall also has a certain impact on the distribution and use of water in the basin. Because of its extremely fine ice particles, it can penetrate into soil, lakes and other places, thereby polluting underground water sources and lake water.
To keep us safe, we have to be prepared. First of all, when traveling, take mass transit as much as possible and do not drive. If necessary, check all brakes and slow down. In addition, it is necessary to pay close attention to meteorological data, grasp the spatial distribution and changes of low temperature precipitation, and take targeted countermeasures.
Although these freezing rains have caused great inconvenience and danger to people's lives, the reasons for their occurrence are also very wonderful. Factors such as temperature, topography, and climate play a decisive role in rainfall in cold regions. At the same time, the existence and change of these freezing rains have also had a great impact on people's daily lives. Therefore, it is necessary to pay close attention to the spatial distribution and evolution of ice and rain, and respond in time to ensure the safety of the project.
What is the relationship between the spatial pattern of cold precipitation and its variability and global warming? Will there be more and more freezing rain in the future? These are all issues that need to be studied in depth.