Wu Daye said

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'hail' is the first time I saw a local over the age of 7 years old The old man,?????, Wu Daye said,???????, what is the reason, the experts analyze. Explain the aircraft attached to the ice fall Yibin Municipal Meteorological Bureau,???? ?????, deputy director of Yao Teng Yu explained that hail is generated in cumulonimbus,?????, but not all cumulonimbus will produce hail; hail can only produce the strongest updrafts in cumulonimbus. This is because to be generated hail must have sufficient updraft droplets to a high altitude (cumulonimbus Snow region), where it condenses into a hail heart, then twists lifting gradually increases,????? ?????, only large enough hail to make whereabouts after not due to evaporation disappear or become raindrops,??? ?????, so as to produce and hail. It has long observation found that the width of the region and hail,???? ???, the length is very long, and hail areas like tape. Therefore, it is often said "hail hit a line. Yao Teng Yu said, in respect of the the generation principle point of view of the hail,mulberry sale, hail not only the next; and the date of the incident to the weather conditions do not have to generate hail Therefore,??? ????, the nixizhen heaven ice phenomenon is not necessarily " hail,??? ?????, aircraft and other flying objects flying in the tens of thousands of meters above the ground,??????, due to the high-altitude low-temperature freezing phenomenon, attached to the wing or the nose and other parts,?????????, with the landing of aircraft height gradually reduce the body temperature gradually liters high, these icy body heat after shedding fall. Text / Chart Zhongwei Cong reporter Luo Xuan Tianfu You
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