After a warm and windy day...a blast of winter that will impact the morning commute bears down on Colorado.
As of the time of this writing there are many Watches, Warnings and Advisories in place for expected winter weather conditions tonight and Tuesday. In the red shaded areas Winter Storm Warnings have already been issued for the high country, in these areas accumulating snow should begin this evening. 6" to 12" of snow will be possible, and the wind will create areas of blowing and drifting snow, especially over the higher passes.
White shaded areas are where Winter Weather Advisories have been issued. While snow may not be as heavy, and than wind less problematic as compared to warned areas, slick roadways are still likely to cause slowed travel.
Blue shaded areas are where Winter Storm Watches have been issued. Impacts to travel are still somewhat uncertain in these areas for several reasons.
In the pink shaded areas a Blizzard Warning has been issued. Blizzard Warnings are issued when visibility is expected to be very low for a several hour period, not necessarily for accumulations of snowfall. Within this area we expect that significant snowfall accumulations will remain anchored to the higher terrain around both Colorado Springs and Pueblo, but even an inch or 2" of snow when combined with the wind could lead to whiteout conditions briefly.
National Archives and Records Administration
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