January 11, 2017

Lake effect snows like the events that buried parts of Michigan and New York in mid-December might actually become more common as the U.S. climate warms, at least for a while. This post explains the paradox.

December 29, 2016

As cold air filtered into the United States over the Great Lakes, the lake effect snow machine turned on burying nearby locations.

May 18, 2016

One reason the Fort McMurray area was at high risk for an early-season forest fire was that April snow cover was well below average in much of western North America.

April 28, 2016

Every summer, Greenland's ice sheet melts when temperatures warm up. This year, however, saw the start of the ice melt season begin in April, much earlier than normal. 

March 11, 2016

For the third winter in a row, temperatures were well above normal for much of Alaska, leaving Alaskans to wonder, where's winter?

February 3, 2016

Rains arrived in California during January 2016, but the drought remains.

July 15, 2015

Worldwide in 2014, three dozen reference glaciers experienced an average mass loss equivalent to of 853 millimeters of water equivalent in 2014.

March 11, 2015

The United States has plenty of warming wiggle room before it gets too warm to snow, and a wetter atmosphere may boost snow totals for some storms.
 

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