By Alex Sosnowski, AccuWeather.com Senior Meteorologist
February 22,2015; 11:00PM,EST
As arctic air continues to plunge southward, heavy snow will continue to expand from Colorado to California and Arizona as snow and ice impact part of the South Central states into early this week.
Much to a skiers' delight, cold air flowing westward and southward will cause snow to fall heavily at times over the southern Rockies. Snow has already spread to the Sierras in California and will develop in the mountains outside of Los Angeles.
Much of the region has been experiencing well above-average temperatures through the middle of the month.
According to AccuWeather.com Meteorologist Becky Elliott, "Southwestern Colorado looks to be hit the hardest hit with snowfall with up to 2 feet of snow expected when all is said and done."
The above snow is in addition to what fell prior to daybreak Sunday.
"The snow machine then takes aim on snow-deprived Flagstaff on Monday," added Elliott.
This will be the first measurable snow to fall this month in Flagstaff, added Elliott. Flagstaff typically averages 22.2 inches of snow each February and has not received measurable snow since Jan. 21.
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Warmth has instead prevailed with temperatures averaging 10.5 degrees above normal Feb. 1 to Feb. 21.
A look at roads in Denver. This is Speer & Logan where roads are slick and covered with snow. #9newsmornings
Meanwhile, warmer air that pushed into part of the southern Plains, Texas and the lower Mississippi Valley will be replaced by another surge of arctic air.
However, rather than a simple push of dry cold air, enough moisture will return to the area to cause a zone of snow, sleet and freezing rain to develop.
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