While Sochi itself appears to be dry, the mountain slopes are ready for the games.
Published Feb 8, 2014
Scientist Tom Painter examines the differences between pure and dirty snow. A rise in dust can be a critical influence on snow-fed water supplies in the American West.
Published Sep 1, 2013
This pair of maps shows average percent snow cover in December 2008 and February 2009, the first and last months of meteorological winter in the Northern Hemisphere.
Published Mar 6, 2009
The start of winter in the Southern Hemisphere brought snow to the continent’s highest peak.
Published Jun 13, 2015
This satellite map of snow cover shows that every state in the contiguous U.S., except for Florida, received snow in January 2011.
Published Feb 25, 2011
