Winter Weather Warnings / Watches / Advisories
Issued by NWS Denver/Boulder, CO

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WWUS45 KBOU 200952
WSWBOU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver/Boulder CO
352 AM MDT Thu Apr 20 2017

...Spring storm to move across the Central Rockies...

.A Pacific storm system will spread moisture and lift across
Colorado today and tonight. Rain and mountain snow showers are
expected to form this afternoon along with a few weak
thunderstorms. Mountain snow is expected to become widespread
this evening and then decrease Friday morning. Temperatures will
be mild today ahead of the storm system resulting in snow levels
above 10000 feet. Snow level will fall to the valley floor
tonight and down to 7000 feet in the foothills Friday morning.
Roads are expected to become snow cover and slushy in parts of the
mountains tonight and Friday morning. If traveling tonight or
Friday morning, allow extra time to reach your destination or wait
until road conditions improve late Friday morning. Additional snow
showers are expected to reform Friday afternoon and could produce
a few slick spots.

COZ031-033-034-201800-
/O.NEW.KBOU.WW.Y.0019.170421T0000Z-170421T1500Z/
West Jackson and West Grand Counties Above 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
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
352 AM MDT Thu Apr 20 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
9 AM MDT FRIDAY...

The National Weather Service in Denver has issued a Winter
Weather Advisory for Snow, which is in effect from 6 PM this
evening to 9 AM MDT Friday.

* TIMING...Snow will become widespread this evening and then
  decrease Friday morning.

* SNOW ACCUMULATIONS...4 to 10 inches.

* WIND/VISIBILITY...Heavy snow may cause visibility to fall to a
  quarter mile for a short time. Over the mountain passes,
  westerly wind gusts to 30 mph may produce blowing snow and drop
  visibility to a quarter mile at times.

* IMPACTS...Snow and slush covered roads will likely create
  hazardous travel tonight and Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities...and use caution while
driving.

&&

$$



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