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Spring Snow Brings Moisture to Colorado Front Range

Spring Snow Brings Moisture to Colorado Front Range
Spring Snow Brings Moisture to Colorado Front Range

On March 22, 2009, a grassfire broke out in Fairplay, Colorado, a foothills community west of Denver. Although quickly quelled, the fire was unsettling. If vegetation could burn so easily in early spring, what might summer bring? Although the winter of 2008-2009 had brought plentiful snow to Colorado’s central mountains, snow on the Front Range—the state’s most populous region, just east of the Rocky Mountains—had been scarce. Tinder-dry vegetation looked poised to burn throughout the summer.

Within days of the fire, however, Colorado’s Front Range received much-needed moisture. Acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite, these images show Denver and the surrounding region on March 27, 2009 (top), and March 22, 2009 (bottom). One day after the blizzard, the top image shows the area in a sea of snowy white. On March 22, however, snow is confined largely to mountainous areas, with tan predominating elsewhere.

The blizzard that struck the state on March 26 closed businesses, schools, and even highways, and it caused the cancellation of hundreds of flights at Denver International Airport. Unpleasant as the storm proved for commuters, however, it alleviated—but did not eliminate—the drought hazard facing the Front Range.

NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.

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