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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
456 AM MST Sat Feb 17 2018

COZ001>014-017>023-UTZ022>025-027>029-181200-
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-
456 AM MST Sat Feb 17 2018

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

.DAY ONE...Today and Tonight

A few snow showers will persist over the divide area of the northern
mountains this morning with only very light accumulations
expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm is organizing upstream near the Pacific Northwest
and will arrive to portions of the eastern Utah and western
Colorado high country as early as Sunday afternoon. Winds over 40
mph and periods of moderate to heavy snow in the high country
Sunday night through early Tuesday is likely to bring difficult
travel conditions. Winter storm watches are in effect for many
mountain areas during this time.

.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...RESENT
National Weather Service Cheyenne WY
518 PM MST Sat Feb 17 2018

WYZ101>119-190030-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
518 PM MST Sat Feb 17 2018

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

.DAY ONE...TONIGHT

Strong west to southwest winds will continue across portions of
south central and southeast Wyoming tonight, mainly along and
west of Interstate 25 tonight where High Wind Warnings remain in
effect.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

The strong winds will ease Sunday morning as an Arctic cold front
slowly progresses south across the area. Light rain and snow showers
will develop ahead of the front, with snow gradually increasing in
coverage and intensity behind the front Sunday afternoon through
Monday. A prolonged period of moderate to heavy snow will occur
behind the front, leading to adverse travel condiitons Sunday night
and Monday. Winter Storm Watches and Warnings are in effect from
Sunday morning through Monday evening for all except central and
eastern Laramie County. The cold front will exit southeast Wyoming
early Monday morning.

Very cold temperatures and dangerous wind chills of 15 to 30 degrees
below zero Monday through Tuesday may cause frostbite in less than
30 minutes to exposed skin.

.Spotter information statement...

Spotter activation will not be required at this time.

$$

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
449 PM MST Sat Feb 17 2018

UTZ001>016-019>021-517-518-WYZ021-181400-
Cache Valley/Utah Portion-Northern Wasatch Front-
Salt Lake and Tooele Valleys-Southern Wasatch Front-
Great Salt Lake Desert and Mountains-Wasatch Mountain Valleys-
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-
Western Uinta Basin-Castle Country-San Rafael Swell-
Sanpete/Sevier Valleys-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-Central Mountains-
Southern Mountains-Southwest Wyoming-
449 PM MST Sat Feb 17 2018

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Tonight

Snow will begin across the northern outlook area late tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Widespread heavy snow and much colder temperatures will spread
across the outlook area from north to south on Sunday. The cold
front could bring near whiteout conditions to the mountain passes
in heavy snow and strong winds for a few hours as it moves south
on Sunday.

The snow will slowly taper off from the north Sunday night
through Monday afternoon but will last in some areas through
Monday evening. The snow could continue into Tuesday across
mountainous locations favored in northwest flow, as well as
locations downwind of the Great Salt Lake and Utah lake.

Strong south winds are expected ahead of this storm on Sunday
across central and southern Utah.

The very cold temperatures that spread into the outlook area
Sunday through Sunday night will continue through Tuesday night
into Wednesday. At this time it looks like Wednesday morning will
be the coldest in this stretch with lows ranging from the low
teens to below zero. Any plants or trees that have starting
budding out will be affected by this cold snap.


.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

$$

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx

Hazardous Weather Outlook
National Weather Service Riverton WY
310 PM MST Sat Feb 17 2018

WYZ001>020-022>030-181200-
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-
310 PM MST Sat Feb 17 2018

...High Wind Warning for parts of Central Wyoming this
through tonight...

...Winter Storm Warning for Western Wyoming Tonight and Sunday...

...Winter Storm Warning and Winter Weather Advisories cover much
of Central Wyoming Sunday through Monday...

...Winter Storm Watch continues for Sweetwater County Sunday
afternoon through Monday...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Snow continuing across the west. Strong winds expected into the
overnight hours from the Upper Wind River Basin and east slopes of
the Wind River Mountains to the Wind Corridor from South Pass to
the Casper area. Strong winds also expected in the Cody Foothills
and southern Johnson County tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Sunday...An Arctic cold front will spread snow east of the
Divide, blustery north wind and rapidly plunging temperatures
across the area. Light, steady snow will continue across the west.
Light snow will develop across the south, with periods of
moderate snow Sunday night.

Monday and Tuesday...Areas of light snow and bitter cold
temperatures with most highs in the teens and lows from near 15
below to 5 above zero.

Thursday...Snow developing across the far west.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report snowfall amounts and winds over
45 mph. Thank you.

$$

Team Riverton

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1059 AM MST Sat Feb 17 2018

COZ030>051-181800-
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-
1059 AM MST Sat Feb 17 2018

...HIGH WIND WARNING FOR THE FRONT RANGE MOUNTAINS AND FOOTHILLS
WITH HIGH WINDS REDEVELOPING TONIGHT...
...FIRE WEATHER WATCH OVER THE PALMER DIVIDE SUNDAY AFTERNOON...

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

.DAY ONE...Today and Tonight

Strong and gusty west winds of 40 to 55 mph will continue in the
mountains and higher Front Range foothills today. Northwest winds
of 20 to 35 mph can also be expected on the plains near the
foothills and along the Wyoming border. Tonight, chinook winds are
likely to become quite strong and gusty in the Front Range
mountains and foothills with gusts of 55 to 85 mph possible in
areas prone to high winds. A High Wind Warning remains in effect
for the the mountains and foothills due to the expected increase
in winds this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The strong winds in the Front Range mountains and foothills will
continue through Sunday morning and then decrease by afternoon.
Wind gusts from 65 to 80 mph will be possible in areas prone to
high winds, such as open terrain above timberline and east slopes
of the Front Range generally above 7000 feet.  Elevated fire
danger is expected over the Palmer Divide Sunday afternoon with
low humidities and gusty southwest winds.

After a dry and warm Sunday, another Pacific storm system is
expected to bring snow and much colder temperatures to the outlook
area Monday and Tuesday. It`s possible that temperatures on the
plains Tuesday may not reach the 20 degree mark. Snow amounts with
this storm still remain uncertain at this time, but it appears
several inches of snow can be anticipated in the mountains, with
lighter snow accumulations over most of the plains. Dry and
warmer weather should then return to the outlook area Wednesday
and Thursday.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight. However,
reports of strong winds will be appreciated.

$$

Hazardous Weather Outlook
National Weather Service Pueblo CO
710 AM MST Sat Feb 17 2018

COZ058>089-093>099-181415-
Western Mosquito Range/East Lake County Above 11000 Feet-
Leadville Vicinity/Lake County Below 11000 Feet-
Eastern Sawatch Mountains Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
Central Chaffee County Below 9000 Feet-
Western Mosquito Range/East Chaffee County Above 9000 Feet-
Saguache County West of Continental Divide Below 10000 Feet-
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Northwestern Fremont County Above 8500 Feet-
Western/Central Fremont County Below 8500 Feet-
Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
Crowley County-La Junta Vicinity/Otero County-
Eastern Las Animas County-Western Kiowa County-
Eastern Kiowa County-Las Animas Vicinity/Bent County-
Lamar Vicinity/Prowers County-Springfield Vicinity/Baca County-
710 AM MST Sat Feb 17 2018

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

.DAY ONE...Today and Tonight

Strong downslope winds will be possible tonight into early Sunday
morning. Locations over the high elevations, down into the lee
slopes of the eastern mountains late tonight into Sunday morning.
Winds over the high elevations will gust in excess of 75 mph,
while winds generally along and west of Interstate 25 corridor the
Interstate 25 corridor see gusts in excess of 60 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Damaging downslope winds will be possible early Sunday morning
along the east slopes of the southern mountains.

Critical fire weather conditions are expected to occur from late
Sunday morning into Sunday afternoon across all of the southeast
plains and Fremont county. Near critical fire weather conditions
will occur once again across the same regions Monday afternoon.

Heavy snow will affect the mountains from Sunday night into
Tuesday. The heaviest snow will occur across the Continental
Divide, especially across the southwest mountains. Some
accumulating snow will be possible across the plains Monday night
into Tuesday morning.

Another Pacific storm will affect the region late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
necessary this morning over western El Paso County, and again
tonight over the higher elevations and lee slopes west of Interstate
25.


$$

34/34

Hazardous Weather Outlook
National Weather Service Albuquerque NM
318 AM MST Sat Feb 17 2018

NMZ501>540-181200-
Northwest Plateau-Chuska Mountains-Far Northwest Highlands-
Northwest Highlands-West Central Plateau-West Central Mountains-
West Central Highlands-Southwest Mountains-
San Francisco River Valley-San Juan Mountains-Jemez Mountains-
West Slopes Sangre de Cristo Mountains-
Northern Sangre de Cristos above 9500 feet/Red River-
Southern Sangre de Cristos above 9500 feet-
East Slopes Sangre de Cristo Mountains-Upper Rio Grande Valley-
Lower Chama River Valley-Santa Fe Metro Area-
Middle Rio Grande Valley/Albuquerque Metro Area-
Lower Rio Grande Valley-Sandia/Manzano Mountains-Estancia Valley-
Central Highlands-South Central Highlands-Upper Tularosa Valley-
South Central Mountains-Raton Ridge/Johnson Mesa-
Far Northeast Highlands-Northeast Highlands-Union County-
Harding County-Eastern San Miguel County-Guadalupe County-
Quay County-Curry County-Roosevelt County-De Baca County-
Chaves County Plains-Eastern Lincoln County-Southwest Chaves County-
318 AM MST Sat Feb 17 2018

This hazardous weather outlook is for portions of north and central
New Mexico.

.DAY ONE...Today and Tonight

Very windy conditions may develop over the northern Sangre De Cristo
Mountains late tonight and spread down the east slopes near the
Colorado border. A Wind Advisory may be required.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A Fire Weather Watch is in effect for the northeast plains Sunday
afternoon due to dry and windy conditions forecast to develop. Windy
to very windy conditions Sunday afternoon may also require Wind
Advisories to be issued for portions of east central and northeast
New Mexico.

A Winter Storm Watch is in effect for the Northwest Mountains
beginning Sunday night and continuing into early Tuesday morning,
when several rounds of heavy snow are possible.

Very windy conditions are forecast to develop Monday in advance of a
potent cold front. Wind Advisories and even a few High Wind Warnings
will likely be required for Monday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report snowfall amounts through the
National Weather Service Albuquerque web site at weather.gov/abq
or by calling 1.888.386.7637.

$$

11

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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