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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Flagstaff AZ
607 AM MST Thu Sep 21 2017

AZZ004>018-037>040-220700-
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Coconino Plateau-Yavapai County Mountains-
Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley-
Chuska Mountains and Defiance Plateau-
Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Western Mogollon Rim-Eastern Mogollon Rim-White Mountains-
Northern Gila County-Yavapai County Valleys and Basins-
Oak Creek and Sycamore Canyons-Black Mesa Area-
Northeast Plateaus and Mesas South of Hwy 264-
607 AM MST Thu Sep 21 2017

This hazardous weather outlook is for Apache...Coconino...
Northern Gila...Navajo...and Yavapai Counties in Northern
Arizona.

.DAY ONE...Today and Tonight

Windy conditions will develop today as a cold front slowly moves
toward the region. A Wind Advisory is in effect for most of the
area. Expect southwest winds of 20 to 35 mph, with gusts from 40
to 50 mph. Winds will peak by late this morning, lasting through
the early evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Colder and breezy conditions are expected Friday and into the
weekend, with high temperatures ranging 10 to 15 degrees below
normal. Freezing temperatures are possible Saturday and Sunday
morning above 6500 feet.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
1031 AM MDT Thu Sep 21 2017

COZ001>014-017>023-UTZ022>025-027>029-221645-
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-
1031 AM MDT Thu Sep 21 2017

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

.DAY ONE...Today and Tonight

A wind advisory is in effect this afternoon and evening for
northwest and west-central Colorado, and southeast and east-
central Utah. The strongest winds are expected across areas north
of I-70 with the peak gusts up to 50 mph at lower elevations and
65 mph at higher elevations. Travel may be difficult, especially
for high profile vehicles.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Breezy to windy conditions will persist into the late week period
under the continued influence of the strong upper level
disturbance. A return to more unsettled weather as well as a
significant cool down is looking probable by late this week as a
cold front treks through the region which should lead to snow
levels lowering in the mountains going into the weekend,
especially further north.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
555 AM MDT Thu Sep 21 2017

UTZ001>016-019>021-517-518-WYZ021-221200-
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-
555 AM MDT Thu Sep 21 2017

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

.DAY ONE...Today and Tonight

A strong cold front will move slowly across the outlook area today
through tonight. This system will bring widespread valley rain
and mountain snow to the northern and western outlook area by
tonight with significant new snowfall at the higher elevations in
the northern and central mountains.

Gusty southwest winds ahead of the front will become strong
today and continue into this evening across the south and east.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Cool unsettled weather is expected Friday through the weekend.

Accumulating snow in the mountains is expected to taper off
Friday afternoon. Some additional accumulating snow is possible
again at the higher elevations Saturday into Sunday.

.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 Albuquerque NM
428 AM MDT Thu Sep 21 2017

NMZ501>540-221100-
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-
428 AM MDT Thu Sep 21 2017

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

.DAY ONE...Today and Tonight

No hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

An upper level trough is forecast to stall west of New Mexico this
weekend steering a steady stream of moisture for showers and
thunderstorms north and northeastward across the eastern plains.
Friday afternoon through Sunday evening the potential exists for
strong-to-severe thunderstorms to develop east of the central
mountain chain where large hail, damaging winds and locally heavy
rain will be the main threats. Total rain accumulation of 1-3 inches
is expected, with locally higher amounts across east central and
northeast areas. In addition, strong south southwest winds are
expected Friday afternoon when gusts could reach 50 mph along and
east of the Sangre de Cristo Mountains near the Colorado border.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required across portions of the eastern
plains Friday afternoon through Sunday evening.

$$

44

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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