On november 19, the 19th, the 19th, the 19th, the 19th, the 19th, and around noon, the month of november, the province of jilin experienced a rare, heavy rain and freezing wind that reached 33. 4 mm。
Frozen rain skating on trees. Lee yang
Early in the morning of 19th, a number of changchun citizens found that “a group of ice sisters fell from the sky”: “ice transition” appeared on the window window of the car and “skating” was hanging on the tree。
A frozen leaf. Take a look at this
According to liu hae-feng, director of weather stations in jilin province, this phenomenon is known as rain rain from a meteorological point of view, which is used to call freezing rain, a manifestation of the prediction that “the current precipitation process will be accompanied by a morphous transformation of complex rain, freezing rain, snow or snow”。
Compared to pure rain or snow, the danger of rain like snow and ice like a “twilight scout” cannot be minimized. Liu seamount described that the key to the formation of frozen rain depends on the vertical distribution of temperature. He interpreted the freezing rain in changchun city as an example。
Skating into rows
Liu hae-fang said that, led by a southern cyclone, a warm and wet current with a large volume of water vapour, when it clashed with the local cold air, as cold air was heavier than warm air, it was inserted like a wedge below the warm air, resulting in temperatures below zero degrees centigrade near the ground, which were above zero degrees centigrade, then below zero centigrade upwards, forming a vertical distribution of so-called “cold-heating-cold” sandwiches。
It was further explained that when the warm air that had been forced to lift was turned into water drops or crystals, the temperature would fall from the clouds, the temperature would rise gradually during the decline, would melt into water drops or cold water, and the ambient temperature would again fall below zero degrees celsius on the near ground, at which point the cold objects on the ground would freeze quickly and the vehicles, utility poles, trees, vegetation and road surfaces would freeze。
Frozen rain breaks trees. Hong kong
It was reported that in china, the province of guizhou, followed by the provinces of hunan and jiangxi, where there were more mountainous areas than the plains. Frozen rain, which is rare in the province of jilin, usually occurs at the beginning of the autumn and the beginning of the winter and spring, but is less frequent in a wide range。
According to liu haifeng, there has been virtually no freezing rain in changchun city since 2010, and it is indeed rare to see such a strong freezing rain. While the freezing rain appears to be delicate and beautiful, it is a real hazard that must be given priority by all sectors。
Currently, white city, matsuhara, the north of changchun and the north of jilin have been converted from rain or frozen rain to pure snow, while other areas continue to be dominated by rain. The weather will continue tomorrow and tomorrow, particularly in the northern regions, where it will be as heavy as snow and, in part, heavy. (concluded)
