Read more snow pack stories on Newserhttp://www.newser.com/taggrid/21999/snow-pack.htmlhttp://img1-cdn.newser.com/images/newser-black250x40.gifhttp://www.newser.com/2012 - Newseren-usNewser Feed GeneratorThu, 24 May 2012 17:08:13 CDThttp://www.newser.com/story/17890/vanishing-snow-threatens-west.htmlPeter Fearon<img src='http://img1-cdn.newser.com/getimage.aspx?mediaid=69676&width=45&height=45&crop=Y&updateddate=20110401022454' border='0' />Blame for a dramatic decrease in Western mountain snowpacks rests squarely on global warming, researchers said yesterday. Using computer models of 50 years' worth of data, scientists confirmed warming is turning snowfall into rain, melting the packs earlier and drying up more rivers by summer. The trend threatens to trigger...The decline of the snowpack in the western states is caused entirely by global warming and has already begun to impact water supplies, according to a new study.http://www.newser.com/story/17890/vanishing-snow-threatens-west.htmlFri, 01 Feb 2008 11:44:27 CST