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Images related to Arctic Oscillation Chills North America, Warms Arctic

Winter Temperatures and the Arctic Oscillation
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Winter Temperatures and the Arctic Oscillation

Much of the Northern Hemisphere experienced cold land surface temperatures in December 2009, but the Arctic was exceptionally warm.

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Warm Arctic, Chilly Mid-Latitudes
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Warm Arctic, Chilly Mid-Latitudes

In March 2013, the same meteorological phenomenon brought warm weather to the Arctic and cool air spilling into the North America, Europe, and Asia.

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Arctic Oscillation Chills US and Europe
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Arctic Oscillation Chills US and Europe

This map of the land surface temperature shows that the first week of December was exceptionally cold in northern Europe and the eastern United States.

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Going Hot and Cold in February
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Going Hot and Cold in February

People in eastern North America shivered through February 2015, while those in the western part of the continent experienced unusually warm weather.

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Unusual July Temperatures
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Unusual July Temperatures

If you live in the northern hemisphere, the past few weeks have been strange. In places where it should be seasonably hot, it’s just warm. In places where weather is usually mild in the summer, it has been ridiculously hot.

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Opposites Attract
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Opposites Attract

In December 2013, the same kink in the jet stream brought frigid cold to the continental U.S. and record heat to Alaska.

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Snow across Great Britain
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Snow across Great Britain

Acquired January 7, 2010, this image shows snow blanketing England, from the east to west coast. The cities of Manchester, Birmingham, and London appear as ghostly gray shapes on the icy surface.

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Stratosphere Influences Winter Weather
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Stratosphere Influences Winter Weather

Winter turned fierce in the opening weeks of 2009, and part of the reason for the cold snaps and winter storms came from big changes in the atmosphere about 20 kilometers above the Earth.

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Global Temperature Anomalies, May 2010
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Global Temperature Anomalies, May 2010

This color-coded map shows global temperatures for May 2010. Although cool conditions prevailed in some heavily populated areas, warm conditions predominated, especially near the poles.

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Arctic Waters Keep Warming in 2013
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Arctic Waters Keep Warming in 2013

A new report summarizes Arctic environmental conditions in 2013, including sea surface temperatures.

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Some Perspective on Winter 2014
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Some Perspective on Winter 2014

Though the talk in much of the United States was about polar vortices and wicked cold snaps, the wider world was actually warmer than normal.

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