Friday, March 7, 2014

Polar Vortex Behind U.S. Big Chill Explained

Polar Vortex Behind U.S. Big Chill Explained
The chilling weather phenomenon that hit much of the U.S. in January is explained by scientist Eric Fetzer using data from NASA's AIRS instrument. To see a data only version, watch at: http://youtu.be/PCtDB0zOcO4

This movie of temperature observations from NASA's Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft depicts the first major North American weather event of 2014: cold air moving out of the Arctic and south to cover much of the continent.


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