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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
436 AM MDT Sat Aug 19 2017

COZ001>014-017>023-UTZ022>025-027>029-201045-
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-
436 AM MDT Sat Aug 19 2017

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

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms are possible over the
mountains today. Outflow winds to 40 mph and lightning will be
the main impacts.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Moisture is expected to increase later this weekend...which will
bring greater coverage of afternoon showers and thunderstorms to
the Four Corners area Sunday through early next week. Moisture is
expected to increase northward toward the Wyoming border by
midweek.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Flagstaff AZ
347 PM MST Sat Aug 19 2017

AZZ004>018-037>040-201200-
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-
347 PM MST Sat Aug 19 2017

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

.DAY ONE...This Afternoon and Tonight

There is a slight chance of showers and thunderstorms over the
White Mountains and Mogollon Rim as far north and west as
Flagstaff through late tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Deeper moisture pushes back north and west on Sunday, with a good
chance of showers and thundertorms expected through much of next
week.

.SPOTTER INFORMATION STATEMENT...

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

$$

Hazardous Weather Outlook
National Weather Service Pueblo CO
1142 AM MDT Sat Aug 19 2017

COZ058>089-093>099-201745-
Western Mosquito Range/East Lake County Above 11000 Ft-
Leadville Vicinity/Lake County Below 11000 Ft-
Eastern Sawatch Mountains above 11000 Ft-
Western Chaffee County Between 9000 and 11000 Ft-
Central Chaffee County Below 9000 Ft-
Western Mosquito Range/East Chaffee County above 9000Ft-
Saguache County West of Continental Divide Below 10000 Ft-
Saguache County East of Continental Divide below 10000 Ft-
La Garita Mountains Above 10000 Ft-
Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft-
Eastern San Juan Mountains Above 10000 Ft-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft-
Alamosa  Vicinity/Central San Luis Valley Below 8500 Ft-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft-
Northern Sangre de Cristo Mountains above 11000 Ft-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Ft-
Southern Sangre de Cristo Mountains Above 11000 Ft-
Northwestern Fremont County  Above 8500Ft-
Western/Central Fremont County Below 8500 Ft-
Wet Mountain Valley Below 8500 Ft-
Wet Mountains between 6300 and 10000Ft-
Wet Mountains above 10000 Ft-
Teller County/Rampart Range above 7500fT/Pike`s Peak Between
7500 And 11000 Ft-Pikes Peak above 11000 Ft-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Ft-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Ft-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft-
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-
1142 AM MDT Sat Aug 19 2017

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

.DAY ONE...This Afternoon and Tonight

Isolated thunderstorms will be possible through the evening hours.
One or two storms over the far southeast plains, mainly across
Las Animas and Baca Counties, could be on the strong side,
producing dime size hail and wind gusts to around 60 mph.
Otherwise, storms today should be fairly spotty and weak with the
primary threats being lightning and wind gusts to around 40 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Isolated to scattered afternoon and evening thunderstorms will be
possible each day. The primary threats from storms on Sunday,
Monday, Thursday and Friday will be lightning, small hail, gusty
winds and locally heavy rain at times.

More intense storms are anticipated from Tuesday into Wednesday,
with these storms being capable of producing localized flash
flooding as well as hail around 1 inch in diameter and wind gusts
around 60 mph at times, in combination with hazardous lightning.

.SPOTTER INFORMATION STATEMENT...

Weather conditions that meet reporting criteria for spotters will be
possible this afternoon and evening across the far southeast
Colorado plains.

$$

28/28

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1059 AM MDT Sat Aug 19 2017

COZ030>051-201700-
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 MDT Sat Aug 19 2017

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

.DAY ONE...Today and Tonight

Only isolated showers and thunderstorms can be expected late this
afternoon and evening. Most of these will be confined to the
mountains and Palmer Divide area. Any of the showers and storms
today will be capable of producing gusty winds to around 40 mph,
an occasional lightning strike, but only a brief period of light
rainfall.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Warm and relatively dry conditions expected Sunday and Monday,
with storms sticking mostly to the high terrain, Palmer Divide and
far eastern plains. Gusty outflow winds will be common, with a
chance for hail over the far eastern plains.

A cold front will push in Monday night for cooler and wetter
conditions Tuesday and Wednesday. Another weather disturbance will
bring wetter weather Thursday into Friday before a return to warm
and dry conditions for next weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Albuquerque NM
332 AM MDT Sat Aug 19 2017

NMZ501>540-201200-
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-
332 AM MDT Sat Aug 19 2017

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

.DAY ONE...Today and Tonight

Locally heavy rainfall is possible late tonight over portions of the
Southwest and South Central Mountains as well as the Lower Rio Grande
Valley, which could lead to minor flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Heavy rainfall Sunday and Sunday night is possible from portions of
the Southwest Mountains northeast and east over the Lower and Middle
Rio Grande Valley, central mountain chain and Eastern Plains, where
localized areas of flash flooding may occur.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report precipitation amounts and any
subsequent flooding through the National Weather Service Albuquerque
web site at weather.gov/abq or by calling 1.888.386.7637. You can
also submit storm reports and photos on our Facebook page or via
Twitter using the hashtag nmwx.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
208 AM MDT Sat Aug 19 2017

WYZ001>020-022>030-201100-
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-
208 AM MDT Sat Aug 19 2017

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Elevated fire weather conditions today due to very dry conditions
across Wyoming.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Sunday and Sunday night...Isolated thunderstorms across the
southwest.

Monday...Isolated afternoon thunderstorms in the west central
mountains and across Johnson and Natrona Counties.

Thursday...A slight chance of thunderstorms mainly across the
west. Warm, dry and breezy conditions possible over portions of
central Wyoming that may elevate fire weather conditions.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

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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