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

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WWUS45 KBOU 231812
WSWBOU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1212 PM MDT Thu Mar 23 2017

...Blizzard conditions possible late tonight through Friday
morning across the Palmer Divide towards the Limon area...

A spring storm will bring much needed precipitation to northeast
and north central Colorado. Precipitation is expected to develop
across the forecast area tonight and then intensify late tonight
through Friday morning as the storm system strengthens over
southeast Colorado. Moderate to heavy snowfall will be possible
over the mountains, foothills and Palmer Ridge late tonight into
Friday morning, heaviest along and south of of the I-70 corridor.
Very strong northerly winds will develop late tonight and
continue through midday Friday across the plains. Blizzard
conditions will be possible from the Palmer Divide east towards
Limon and north across central and eastern Adams and Arapahoe
Counties with zero visiblities at times.

COZ033-240215-
/O.CON.KBOU.WW.Y.0015.170324T0600Z-170324T1800Z/
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Including the cities of Cameron Pass,
Laramie and Medicine Bow Mountains, Rabbit Ears Range,
Rocky Mountain National Park, and Willow Creek Pass
1212 PM MDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON MDT FRIDAY...

* TIMING...Snow will increase in intensity over the northern
  mountains after midnight and continue into Friday morning. The
  heaviest snowfall is likely from late night through mid
  morning Friday.

* SNOW ACCUMULATIONS...4 to 8 inches.

* WIND/VISIBILITY...North 10 to 20 mph. Visibilities could be
  under one quarter of a mile in heavier snow.

* IMPACTS...Snow, gusty winds and poor visibilities will create
  hazardous winter driving conditions. Roads will be icy and
  snow packed.

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.

&&

$$

COZ041-240215-
/O.CON.KBOU.BZ.A.0001.170324T0600Z-170324T1800Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Castle Rock, Elbert, Fondis, Kiowa,
and Larkspur
1212 PM MDT Thu Mar 23 2017

...BLIZZARD WATCH REMAINS IN EFFECT FROM MIDNIGHT MDT TONIGHT
THROUGH FRIDAY MORNING...

* TIMING...Snow will increase in intensity after midnight, and
  continue through Friday morning.

* SNOW ACCUMULATIONS...6 to 12 inches over the Palmer Ridge.
  Snowfall rates up to two inches per hour will be possible
  Friday morning.

* WIND/VISIBILITY...Northerly winds are expected to increase to
  35 to 45 mph with gusts to 65 mph over the Palmer Ridge late
  tonight through Friday morning. Visibilities will be near zero
  at times.

* IMPACTS...Heavy snow, strong winds and poor visibilities will
  create hazardous winter driving conditions. Roads will be icy
  and snow packed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Watch means there is a potential for falling and/or
blowing snow with strong winds and extremely poor visibilities.
This can lead to whiteout conditions and make travel very
dangerous.

&&

$$

COZ045-046-240215-
/O.CON.KBOU.BZ.A.0001.170324T0900Z-170324T1800Z/
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including the cities of Bennett, Byers, Deer Trail, Leader,
Agate, Hugo, Limon, and Matheson
1212 PM MDT Thu Mar 23 2017

...BLIZZARD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY MORNING...

* TIMING...Rain will change to snow late tonight and continue
  through midday Friday before decreasing in the afternoon.

* SNOW ACCUMULATIONS...3 to 6 inches.

* WIND/VISIBILITY...North winds will increase to 35 to 45 mph
  late tonight with gusts up to 65 mph at times through early
  Friday afternoon. Visibilities will be near zero at times.

* IMPACTS...Heavy snow, strong winds and poor visibilities will
  create hazardous winter driving conditions. Roads will be icy
  and snow packed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Watch means there is a potential for falling and/or
blowing snow with strong winds and extremely poor visibilities.
This can lead to whiteout conditions and make travel very
dangerous.

&&

$$

COZ034-036-240215-
/O.CON.KBOU.WS.A.0007.170324T0600Z-170324T1800Z/
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Berthoud Pass, Breckenridge,
East Slopes Mosquito Range, East Slopes Southern Gore Range,
Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans,
Williams Fork Mountains, Winter Park, Bailey, Central City,
Evergreen, Georgetown, Idaho Springs, and Westcreek
1212 PM MDT Thu Mar 23 2017

...WINTER STORM WATCH REMAINS IN EFFECT FROM MIDNIGHT MDT TONIGHT
THROUGH FRIDAY MORNING...

* TIMING...Snow will increase in intensity over the mountains
  and southern foothills after midnight and continue through
  Friday morning. The heaviest snowfall is likely from late
  tonight through Friday morning.

* SNOW ACCUMULATIONS...7 to 14 inches over the high mountains
  and southern foothills. Snowfall rates up to two inches per
  hour will be possible in the mountains and southern foothills
  early Friday morning.

* WIND/VISIBILITY...Northerly winds from 15 to 25 mph with gusts
  to 35 mph are expected over the southern Foothills late
  tonight through Friday morning. Speeds will be much lighter in
  the mountains with gusts up to 20 mph at times. Visibilities
  could be under one quarter of a mile in the windiest areas.

* IMPACTS...Heavy snow, strong winds and poor visibilities will
  create hazardous winter driving conditions. Roads will be icy
  and snow packed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is a potential for significant
snow...sleet...or ice accumulations that may impact travel.
Continue to monitor the latest forecasts.

&&

$$



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