write an essay on snowfall-a distaster fall the poor
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Snow comprises individual ice crystals that grow while suspended in the atmosphere—usually within clouds—and then fall, accumulating on the ground where they undergo further changes.[2] It consists of frozen crystalline water throughout its life cycle, starting when, under suitable conditions, the ice crystals form in the atmosphere, increase to millimeter size, precipitate and accumulate on surfaces, then metamorphose in place, and ultimately melt, slide or sublimate away.
Snowstorms organize and develop by feeding on sources of atmospheric moisture and cold air. Snowflakes nucleate around particles in the atmosphere by attracting supercooled water droplets, which freeze in hexagonal-shaped crystals. Snowflakes take on a variety of shapes, basic among these are platelets, needles, columns and rime. As snow accumulates into a snowpack, it may blow into drifts. Over time, accumulated snow metamorphoses, by sintering, sublimation and freeze-thaw. Where the climate is cold enough for year-to-year accumulation, a glacier may form. Otherwise, snow typically melts seasonally, causing runoff into streams and rivers and recharging groundwater.
Major snow-prone areas include the polar regions, the northernmost half of the Northern Hemisphere and mountainous regions worldwide with sufficient moisture and cold temperatures. In the Southern Hemisphere, snow is confined primarily to mountainous areas, apart from Antarctica.[3]
Snow affects such human activities as transportation: creating the need for keeping roadways, wings, and windows clear; agriculture: providing water to crops and safeguarding livestock; sports such as skiing, snowboarding, and snowmachine travel; and warfare. Snow affects ecosystems, as well, by providing an insulating layer during winter under which plants and animals are able to survive the cold
I usually get up early in the morning. But that day I was terribly upset when my mother woke me up. It was extremely cold winter morning. It was too hard to get out of the cosy bed but I remember that it was not Delhi but Mussoorie, where we had especially came for a holiday. I had no choice because I myself insisted and prevailed upon my parents to bring me to Mussoorie to see the snowfall.
Outside it was all foggy and there was hardly any trace of sun. It was shivering cold and perhaps was the coldest day of the year. After having a quick wash and breakfast, we went out of the hotel. The excitement of seeing snow, made me forget the torture of severe cold.
Lo and behold! I was thrilled to see the white landscape for the first time in my life. It was snow all around. The roofs of houses, the trees, the peaks and the streets everything was covered and painted with snowfall. It started running and jumping in excitement. I picked up snow and started playing with it, throwing it here and there like balls.