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“Snow has a high albedo, which means it can very effectively reflect incoming solar radiation it receives from the sun during the day. Snow pack will reflect about 50-percent to 90-percent of the incoming solar rays back out to space and the other part is used to melt the snow,” Zontini said.
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Because the snow is reflecting the solar radiation, the radiation doesn’t have the ability to warm the ground and air, meaning colder temperatures during the day and at night.
“At night, especially with clear skies, the snow is a great radiator of any little heat the earth absorbed during the day back out at night. Nights with fresh snow and clear skies in the winter can sometimes produce record-breaking low temperatures as well,” Zontini said.