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

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WWUS45 KBOU 240543
WSWBOU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1143 PM MDT Thu Mar 23 2017

...Strong storm to bring blizzard conditions to parts of
northeastern Colorado...

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 can be expected
over the mountains, foothills, Palmer Ridge and some adjacent
plains 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.


COZ033-035-240645-
/O.CAN.KBOU.WW.Y.0015.170324T0600Z-170324T1800Z/
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Cameron Pass,
Laramie and Medicine Bow Mountains, Rabbit Ears Range,
Rocky Mountain National Park, Willow Creek Pass, Estes Park,
Glendevey, Nederland, and Red Feather Lakes
1143 PM MDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

The National Weather Service in Denver has cancelled the Winter
Weather Advisory.

Light snow is expected overnight with the heavier snow further to
the south, therefore the advisory has been cancelled.

$$

COZ041-241345-
/O.CON.KBOU.BZ.W.0001.170324T0600Z-170324T1800Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Castle Rock, Elbert, Fondis, Kiowa,
and Larkspur
1143 PM MDT Thu Mar 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* 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
  30 to 40 mph with gusts to 55 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 Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions...making travel extremely dangerous. Do not travel. If
you must travel...have a winter survival kit with you. If you get
stranded...stay with your vehicle.

&&

$$

COZ045-046-241345-
/O.CON.KBOU.BZ.W.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
1143 PM MDT Thu Mar 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM TO NOON MDT
FRIDAY...

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

* SNOW ACCUMULATIONS...5 to 10 inches.

* WIND/VISIBILITY...North winds will increase to 30 to 45 mph
  late tonight with gusts up to 55 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 Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions...making travel extremely dangerous. Do not travel. If
you must travel...have a winter survival kit with you. If you get
stranded...stay with your vehicle.
&&

$$

COZ036-241345-
/O.CON.KBOU.WS.W.0006.170324T0600Z-170324T1800Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Bailey, Central City, Evergreen,
Georgetown, Idaho Springs, and Westcreek
1143 PM MDT Thu Mar 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY...

* 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...6 to 10 inches over foothills along and
  south of Interstate 70. Snowfall rates around an inch 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 Warning for heavy snow means severe winter weather
conditions are expected or occurring.  Significant amounts of
snow are forecast that will make travel dangerous. Only travel in
an emergency. If you must travel...keep an extra flashlight...
food...and water in your vehicle in case of an emergency.

&&

$$

COZ034-241345-
/O.CON.KBOU.WW.Y.0015.170324T0900Z-170324T1800Z/
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 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
1143 PM MDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON
MDT FRIDAY...

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

* SNOW ACCUMULATIONS...4 to 7 inches mainly over the eastern
  slopes along and south of the interstate 70 corridor.

* 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...Snow, strong 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 blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling...especially in open areas.

&&

$$

COZ039-040-049-241345-
/O.CON.KBOU.WW.Y.0015.170324T0900Z-170324T1800Z/
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-Washington County-
Including the cities of Arvada, Boulder, Golden, Lakewood,
Longmont, Aurora, Brighton, City of Denver,
Denver International Airport, Highlands Ranch, Littleton, Parker,
Akron, Cope, Last Chance, and Otis
1143 PM MDT Thu Mar 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM 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...2 to 6 inches, heaviest south of Interstate
  70.

* WIND/VISIBILITY...North 20 to 35 mph with gusts to 45 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.

&&

$$



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