Winter Storm Yogi News Today : Breaking News, Live Updates & Top Stories | Vimarsana

By gregladen
on April 15, 2013.
Why is it snowing so much in the Northern US States this Spring? Two words: Global Warming. Let me ‘splain.
Weather is all about air and moisture. The distribution of air is uneven, with some places having more air in big piles, other places having less air, into which the extra air from the big piles of air tends to spill. The big piles form because the surface beneath is relatively warm, causing the air to expand more than in adjoining areas. As air falls off these giant mounds of seeming nothingness, it forms low pressure systems that consist of swirling moving masses, made up of air of different temperature and humidities, and this is where many storms come from. Where the high mounds of air form depends on the seasons; since it is the relative temperature that matters, we might expect high pressure systems (mounds of air) to form over water during the winter and land over the summer with the low pressure systems ....

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