Dr. Jeff Masters of the Weather Underground has a word or two about heavy snowfall in a warming world:
The U.S. Global Change Research Program (USGCRP) ... has put out some excellent peer-reviewed science on climate change that, in my view, is as authoritative as the U.N.-sponsored Intergovernmental Panel on Climate Change (IPCC) reports. In 2009, the USGCRP put out its excellent U.S. Climate Impacts Report, summarizing the observed and forecast impacts of climate change on the U.S. The report's main conclusion about cold season storms was "Cold-season storm tracks are shifting northward and the strongest storms are likely to become stronger and more frequent".