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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
444 AM MST Tue Nov 21 2017

...Bands of Accumulating Snow Continues Over The Snowy and South
Laramie Range This Morning...

WYZ116-211600-
/O.EXB.KCYS.WW.Y.0032.000000T0000Z-171121T1600Z/
South Laramie Range-
Including the cities of Buford, Pumpkin Vine, and Vedauwoo
444 AM MST Tue Nov 21 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* WHAT...Snow occurring. Plan on slippery road conditions,
  including during the morning commute. In addition, some
  reductions to visibility are expected. Additional snow
  accumulations of up to two inches are expected.

* WHERE...Along Interstate 80 near the summit between Cheyenne and
  Laramie.

* WHEN...Until 9 AM today.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will
  cause patchy blowing and drifting snow.

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.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
444 AM MST Tue Nov 21 2017

...Bands of Accumulating Snow Continues Over The Snowy and South
Laramie Range This Morning...

WYZ114-211600-
/O.CON.KCYS.WW.Y.0032.000000T0000Z-171121T1800Z/
Snowy Range-
Including the cities of Centennial and Albany
444 AM MST Tue Nov 21 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...Snow occurring. Plan on slippery road conditions. In
  addition, some reductions to visibility are expected. Total snow
  accumulations of 6 to 12 inches are expected.

* WHERE...Snowy Range especially above 8500 feet.

* WHEN...Until 11 AM today.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will
  cause patchy blowing and drifting snow.

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.

$$


High Wind Watch


URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
300 AM MST Tue Nov 21 2017

...Winds Will Increase Again Late Tonight and Wednesday Morning
For Wind Prone Areas of Southeast Wyoming...


WYZ106-116-117-212315-
/O.NEW.KCYS.HW.A.0027.171122T0700Z-171122T1900Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
300 AM MST Tue Nov 21 2017

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from late tonight through Wednesday
morning.

* TIMING...Winds will increase late tonight and peak during the
  morning hours on Wednesday.

* WINDS...Sustained winds to 40 mph with gusts of 60 to 65 mph
  possible.

* IMPACTS...Mainly to transportation on Interstate 80 and 25
  across southeast Wyoming. Blow off and blow over risk for
  lightweight and high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
58 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Cheyenne WY
650 AM MST Tue Nov 21 2017

WYZ106-110-116-117-221400-
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-
650 AM MST Tue Nov 21 2017

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Periods of snow and gusty winds will create hazardous travel along
Interstate 80 between Cheyenne and Laramie early this morning. Icy
and snow covered roads are expected, along with areas of low
visibility in falling and blowing snow.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Strong winds are expected to return to the wind prone areas of
southeast Wyoming from late Tuesday night through Wednesday
morning. Wind gusts in excess of 60 MPH are possible.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
650 AM MST Tue Nov 21 2017

WYZ112-114-221400-
Sierra Madre Range-Snowy Range-
650 AM MST Tue Nov 21 2017

This hazardous weather outlook is for portions of south central
Wyoming.

.DAY ONE...TODAY AND TONIGHT

Periods of snow will continue over the mountains of southeast
Wyoming through this morning. Mountain travel will be hazardous
with slick and snow packed roads and low visibility.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

The probability for widespread hazardous weather is low.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
355 AM MST Tue Nov 21 2017

COZ030>051-221100-
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
County-
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
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
355 AM MST Tue Nov 21 2017

...Mountain snow and wind to decrease through the day...

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Snow and blowing snow will continue in the high mountains this
morning, tapering off by late morning. Gusty winds of 35 to 50
mph will reduce visibility in blowing snow and make travel
difficult especially over passes. Expect another 1 to 4 inches of
snow to fall today before sharply decreasing by evening. Winds
will remain breezy overnight with gusts 25 to 40 mph.

Over the plains, a cold front will push through this morning for
cooler temperatures today. Light rain showers along this front
will likely affect the plains east of I25, though cannot be
totally ruled out elsewhere. Gusty winds of 25 to 45 mph along the
foothills and urban corridor this morning will be decreasing by
mid morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Light snow will continue across the Northern and Central
mountains through Wednesday morning. Dry and unseasonably warm
temperatures will persist over the plains through the week with
possible record breaking highs on Thanksgiving for the Denver
metro. Another round of rain and snow will be possible for the
mountains Friday into Saturday and late Monday with temperatures
in the 40s and 50s.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
347 AM MST Tue Nov 21 2017

COZ001>014-017>023-UTZ022>025-027>029-221100-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
347 AM MST Tue Nov 21 2017

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

Light to moderate snow will impact the northern Colorado
mountains early with clearing expected beyond the noon hour. The
heaviest amounts...possibly near 6 inches...will be over the
Park...Gore and Flat Top Ranges above timberline. Some impact to
travel over the passes and high mountain roadways can be expected
but improvement should also come this afternoon.


.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Mainly dry and warmer conditions are expected through the end of
the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected today or tonight, however
spotters are encouraged to report snowfall amounts to the
National Weather Service in Grand Junction.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
248 AM MST Tue Nov 21 2017

WYZ001>020-022>030-221200-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
248 AM MST Tue Nov 21 2017

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Today and Tonight.

Snow will be ending in the far west this morning. Another
precipitation event is slated for the far west portion of the
state tonight and Wednesday morning with snow changing to rain in
the valleys. There could even be some freezing rain in the Upper
Green River Basin tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Thanksgiving Day...possible record high temperatures east of the
Divide.

Thanksgiving night...Rain in the west with snow in the surrounding higher
mountains. Very windy conditions possible east of the divide
Thanksgiving day and night.

Monday...Another bout of snow for the far west with windy to very
windy areas. Turning colder.

.SPOTTER INFORMATION STATEMENT...

$$

TEAM RIVERTON

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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