Weather News

Jul 18, 2013 10:12 AM by Stephen Bowers

Aurora dances over Yellowstone

This photo from Spaceweather.com tells the story: auroras lightened up the night sky over Yellowstone National Park earlier this week.

On Monday, Zack Clothier photographed these photos over the park and said the sky lit up with the auroral display at about midnight. He also points out the meteor streaking across the sky in his photo.

Last Saturday, July 13, a Coronal Mass Ejection (CME) swept by Earth. What is that? It is a bundle of solar energy hurled from the sun during a solar flare. Spaceweather.com says no geomagnetic storm occurred, but the solar wind poured into the Earth's magnetosphere and the aurora danced in higher latitudes. 

Another burst of solar wind is expected to sweep by Earth tonight (Thursday, July 18) and could bring about another colorful aurora.

This map from Spaceweather.com indicates an overall low probability for auroras over far northern Colorado. Over the higher latitudes of Canada, an aurora is more likely in areas of red and orange.

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