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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
549 AM MST Sat Jan 20 2018

Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 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-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
549 AM MST Sat Jan 20 2018


This hazardous weather outlook is for northeast and north central

.DAY ONE...Today and Tonight

A Pacific storm system will bring snow the mountains of north
central Colorado this evening and continuing overnight.
Meanwhile, freezing drizzle is expected to develop this evening
over parts of northeast Colorado before changing to snow late
tonight or early Sunday morning.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Snow will spread across the plains early Sunday. The heaviest snow
will shift from the mountains and Denver and the other Front
Range cities in the morning, onto the plains in the afternoon.
The winds will also increase during the morning, with wind gusts
of 30 to 40 mph common in most areas by afternoon, and gusts up
to 50 mph possible over the eastern plains. These winds will
create blowing and drifting snow. Blizzard conditions are possible
Sunday afternoon on the eastern plains and road closures are

Storm total snowfalls in the higher mountains will generally be 6
to 12 inches, with localized amounts up to 18 inches. Elsewhere
accumulations will range from 4 to 10 inches, with the lighter
amounts expected in the mountain parks and around Fort Collins and
the heavier amounts likely south and east of Denver.

Weather conditions will improve Sunday evening as the storm
system moves east of the area, though winds may continue to
produce drifting snow on the plains through the night.

The next chance of significant snowfall will be next Friday.


Reports of snowfall or icing will be appreciated.



Winter Storm Warning

National Weather Service Denver CO
524 AM MST Sat Jan 20 2018

...Winter Storm Bringing Snow and Gusty Winds to Portions of
Northeast and North Central Colorado This Weekend...

.A Four Corners low will track across Colorado this weekend
bringing snow, possibly heavy at times, to the mountains and
plains of north central and northeast Colorado. Snow will begin
in the high country Saturday evening and spread east across the
northeast plains of Colorado late Saturday night and Sunday
morning. Prior to the snow, parts of northeast Colorado will see
freezing drizzle which will make roads very slippery.

As the storm intensifies northerly winds will increase to 25 to
40 mph by Sunday afternoon across the eastern plains. The gusty
winds will produce areas of blowing snow which may reduce
visibilities to less than a mile at times. Snowfall is expected to
decrease from west to east Sunday afternoon and evening.

Boulder and the western suburbs of Denver-Denver-Castle Rock-
Briggsdale-Fort Morgan-Byers-
Including the cities of Arvada, Boulder, Golden, Lakewood,
Longmont, Aurora, Brighton, City of Denver,
Denver International Airport, Highlands Ranch, Littleton, Parker,
Castle Rock, Elbert, Fondis, Kiowa, Larkspur, Briggsdale, Grover,
Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich,
Wiggins, Bennett, Byers, Deer Trail, and Leader
524 AM MST Sat Jan 20 2018


* WHAT...Freezing drizzle is expected late this evening and will
  change to snow early Sunday morning. Plan on difficult travel
  conditions. Total snow accumulations of 5 to 10 inches and
  light ice accumulations are expected.

* WHERE...Portions of northeast Colorado.

* WHEN...From midnight tonight to 5 PM MST Sunday.

* ADDITIONAL DETAILS...Light ice accumulation may occur prior to
  snowfall and make roads very slippery tonight. Be prepared for
  significant reductions in visibility at times due to falling and
  blowing snow.


A Winter Storm Warning means significant amounts of snow, sleet
and ice are expected. This will make travel very hazardous or
impossible. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.


U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
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