July 10, 2012

Data from 2010 indicate that mountain glaciers predominantly lost mass, and preliminary data from 2011 indicate a continuation of the same long-term trend.

July 19, 2017

As of 2016, the warming effect of long-lived greenhouse gases in Earth's atmosphere had increased by approximately 40% compared to 1990.

January 1, 2016

Records from the last five decades show that on average, spring snow is disappearing earlier in the year than it did in the past. 

September 1, 2009

The Pacific-North American teleconnection pattern influences regional weather by affecting the strength and location of the East Asian jet stream, and subsequently, the weather it delivers to North America.

August 30, 2009

The Southern Oscillation Index tracks differences in air pressure between the eastern and western sides of the tropical Pacific.

August 30, 2009

The Arctic Oscillation (AO) refers to an atmospheric circulation pattern over the mid-to-high latitudes of the Northern Hemisphere. The most obvious reflection of the phase of this oscillation is the north-to-south location of the storm-steering, mid-latitude jet stream.

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