Winters in general are getting shorter and milder, which makes weather patterns more erratic. For example, some Great Lakes areas are getting huge snowfalls because lack of ice cover is causing more lake-effect snow. While ice cover varies by year, the trend is downward.
SOURCE: National Wildlife Federation | The Washington Post - January 28, 2010
Winter offered as proof of warming Article | This winter's extreme weather -- with heavy snowfall in some places and unusually low temperatures -- is in fact a sign of how climate change disrupts long-standing patterns, according to a new report by the National Wildlife Federation.