From Chief Meteorologist Steve Hamilton: Winter Weather Advisory: Midnight Tonight to 6 PM Thursday for Snow: Rabbit Ears Pass, Rocky Mountain National Park, Medicine Bow Range, Mountains of Summit County, Mosquito Range, Indian Peaks. 4 to 8 likely. Up to 12 possible.
Purple shaded areas are under a Winter Weather Advisory. The Mountains will likely get the most, with up to 1 Foot. Lesser amounts, but still significant, for NW Colorado, and the Front Range including Denver, along with very cold temperatures.
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URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
403 AM MST Wed Dec 20 2017
COZ031-033-034-201915-
/O.NEW.KBOU.WW.Y.0028.171221T0700Z-171222T0100Z/
Rabbit Ears Pass-
Rocky Mountain National Park and the Medicine Bow Range-
The Mountains of Summit County, the Mosquito Range, and the Indian Peaks-
Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass,
Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park
403 AM MST Wed Dec 20 2017
...
WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST THURSDAY...
* WHAT...Snow expected.
Plan on difficult travel conditions, especially Thursday morning. Total snow accumulations of 4 to 8 inches, with localized amounts up to 12 inches, are expected.
* WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks.
* WHEN...From midnight tonight to 6 PM MST Thursday.
* ADDITIONAL DETAILS...Be prepared for reduced visibilities at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
www.weather.gov/bou/