Fujian is near the Tropic of Cancer. Affected by monsoon circulation and topography, it has a warm and humid subtropical monsoon climate and is rich in heat. The accumulated temperature of 70%≥ 10℃ in the whole province is between 5000-7600℃, with abundant rainfall and sunshine. The annual average temperature is 17-2 1℃.
The formation of snow requires two conditions, one is cold ice crystal nucleus, and the other is water. When the temperature in the cloud drops below freezing point 0℃, water forms ice powder in the shape of ice crystals, which is called cold ice crystal nucleus. When these ice crystal nuclei accumulate to a certain extent, they fall, which is what we see as snowfall.
When the temperature under the cloud is below 0℃, snowflakes can always fall to the ground to form snowfall. If the temperature under the cloud is higher than 0℃, sleet may appear. Therefore, it seldom snows in Fujian Province.
According to People's Daily Online 2016 65438+1October 22, it was raining and snowing in Pucheng County, the northernmost part of Fujian Province. By noon, there were already snowflakes, and the villages and bamboo forests were wrapped in silver, which was particularly enchanting.
2016 65438+122 October, rainy and snowy weather occurred in most parts of Fujian. The Fujian Meteorological Observatory also issued a yellow snow disaster signal on 22nd 16: 25. During the day on the 22nd, sleet or ice particles appeared in northern Fujian.
Baidu Encyclopedia-Snow (Natural Phenomenon)
People's Network-It's snowing! The first snow in Dehua 20 18
Baidu encyclopedia-Fujian