The 5 year average snow across the hemisphere has increased each year for the last 7 years. Eurasia especially has experienced large snowfall increases. In fact this past January and the five year January average snowfall were both the greatest on record (since 1967). Winter levels of ice and snow across many parts of the hemisphere are higher than they have been in many years and in some places in over a century.
An excellent article:
http://www.tcsdaily.com/article.aspx?id=060206D
Snowfall on the increase, says Joe Aleo
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Would a increase be caused because of a increase in overall water vapor in the air. Which is more warmer over the oceans and artic areas=more moisture? Cold air only holds a little bit of moisture while as you warm the air up it holds alot more. So a warming climate=more snow for the northern areas=growing glaciers.
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Matt-hurricanewatcher wrote:Would a increase be caused because of a increase in overall water vapor in the air. Which is more warmer over the oceans and artic areas=more moisture? Cold air only holds a little bit of moisture while as you warm the air up it holds alot more. So a warming climate=more snow for the northern areas=growing glaciers.
Warmer oceans = increased precip. Colder land areas and upper atmosphere colliding with warmer oceans means heavier snows, which results in growing ice sheets. Generally snow is a product of colder temperatures, so as snow increaes over land surfaces and gets deeper, more sunlight is reflected into space, resulting in a cooling over land. So you could easily get warmer overall oceans and colder land surfaces at the same time. This collision between the two results in greater and stronger storms (hurricanes in sumeer and stronger snowstorms in winter) and also more weather extremes.
I believe one very interesting read is from Zbigniew Jaworowski, world-renowned atmospheric scientist and mountaineer, who has excavated ice out of 17 glaciers on six continents in his 50-year career. The shift from warm to cool climate might have already started, says Jaworowski.
See the Winter 2003-2004 issue of 21st Century Science and Technology, p. 52-65.
Or: http://www.21stcenturysciencetech.com/A ... arming.pdf
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This past winter was light on snow compared to the one before, but average overall. Milford, Ma snow log: http://www.pdfamily.com/weather/snow.htm
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Out here there was way more snow this year compared to last year, but almost all of it fell from mid-February to mid-March. In the mountains there was a bit less snow than last year. The mountain snow for both seasons was significantly above average though (near record levels for 04-05), while snow down here in the valleys was significantly below average for both seasons.
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