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Winter Blast Buries Denver, Colo. Rockies

UPDATED 7:45 AM MDT, May 12, 2014

UPDATED By WeatherBug Meteorologist, Andrew Rosenthal

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Although the calendar reads May 12, snow is falling across much of Colorado, turning the Denver area into a winter`s paradise. The snow is impacting the morning commute, but should wind down by midday.

A powerful upper-level trough moving through the Southwest U.S. has been the driving force behind this unusual winter weather. This trough formed an area of low pressure in the High Plains, bringing plenty of moisture up the eastern slopes of the Rockies. At the same time, northerly winds brought cold air down from central Canada, allowing this system to produce a heavy wet snow throughout the central Rockies, Front Range, and Colorado`s western High Plains.

Winter Storm Warnings and Winter Weather Advisories remain in place for most of central and much of Colorado, southern Wyoming, and the eastern Wasatch Mountains of eastern Utah. This includes Denver and Aspen, Colo., and Cheyenne, Wyo.

Accumulations have already reached 17 inches in Larimer County, Colo., with the greater Denver area showing snowfall accumulations ranging from 4 to 12 inches.

The snow has led to Route 6 being closed over Loveland Pass, and widespread snowy conditions throughout the metro and western suburbs of Denver. Use caution as you head out the door this morning.

Another 2 to 4 inches of snow will fall through mid-morning, with the snow eventually coming to an end by lunchtime. High winds will also cause drifting snow, especially in the wide-open Plains and in the higher mountain passes.

Surprisingly, the month of May in Denver can be highly variable. Although it only averages 1.7 inches of snow during the entire month, there have been six years since 1882 where May snowfall accumulations have exceeded 10 inches. The latest date that snow has fallen was June 12, 1947, with last year`s latest snowfall occurring on May 2, 2013.

For a complete look at the current winter weather watches and warnings across the Rockies, click here, or click on the United States Alert Map link.

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