Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
333 AM MDT Thu Sep 12 2024
WYZ279-130100-
/O.CON.KRIW.FW.W.0016.240912T1800Z-240913T0100Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
333 AM MDT Thu Sep 12 2024
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS EVENING...
* AFFECTED AREA:
In Southwest WY...Fire Weather Zone 279.
* COUNTIES AFFECTED:
In Southwest WY...Sweetwater.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.
* WIND: West 20 to 30 mph with gusts up to 45 mph.
* HUMIDITY: As low as 20 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
333 AM MDT Thu Sep 12 2024
WYZ280-283-289-300-130100-
/O.CON.KRIW.FW.W.0016.240912T1800Z-240913T0100Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
333 AM MDT Thu Sep 12 2024
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS EVENING...
* AFFECTED AREA:
In Central WY...Fire Weather Zones 280...283...289 and 300.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.
* WIND: West 20 to 30 mph with gusts up to 45 mph.
* HUMIDITY: As low as 15 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
320 AM MDT Thu Sep 12 2024
UTZ489-494-498-130200-
/O.CON.KSLC.FW.W.0015.000000T0000Z-240913T0200Z/
San Rafael Swell-Henry Mountains-Grand Staircase-
320 AM MDT Thu Sep 12 2024
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489,
494, AND 498...
* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire
Weather Zone 494 Henry Mountains and Fire Weather Zone 498
Grand Staircase.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 8 to 14 percent.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/saltlakecity
URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
149 AM MDT Thu Sep 12 2024
COZ200-202-203-UTZ486-487-490-491-122145-
/O.CON.KGJT.FW.W.0009.240912T1800Z-240913T0200Z/
Little Snake Forecast Area-White River Forecast Area-
Lower Colorado River-Eastern Uinta Basin-Book Cliffs-
Colorado River Basin-Southeast Utah-
149 AM MDT Thu Sep 12 2024
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS
FOR FIRE WEATHER ZONES 200, 202, 203, 486, 487, 490, AND 491...
* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little
Snake Forecast Area, Fire Weather Zone 202 White River
Forecast Area and Fire Weather Zone 203 Lower Colorado River.
In Utah, Fire Weather Zone 486 Eastern Uinta Basin, Fire
Weather Zone 487 Book Cliffs, Fire Weather Zone 490 Colorado
River Basin and Fire Weather Zone 491 Southeast Utah.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Conditions may become favorable for the easy
ignition and rapid spread of fires due to low relative
humidity and strong gusty winds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1258 AM MDT Thu Sep 12 2024
IDZ054-122100-
/O.CON.KPIH.LW.Y.0015.240912T1200Z-240913T0000Z/
Lower Snake River Plain-
Including the cities of Shelley, American Falls, Fort Hall,
Pocatello, and Blackfoot
1258 AM MDT Thu Sep 12 2024
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6
PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR...
* WHAT...Southwest winds 25 to 30 mph with gusts up to 40 mph
expected for American Falls Reservoir.
* WHERE...Lower Snake River Plain.
* WHEN...From 6 AM this morning to 6 PM MDT this evening.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.
&&
$$
Visit weather.gov/pocatello for more information.
Keyes
Freeze Watch
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
436 AM MDT Thu Sep 12 2024
UTZ108-130145-
/O.CON.KSLC.FZ.A.0004.240913T0600Z-240913T1500Z/
Wasatch Back-
Including the following locations - Park City, Heber City, and
Huntsville
436 AM MDT Thu Sep 12 2024
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...
* WHAT...Sub-freezing temperatures ranging from the upper 20s to low
30s possible.
* WHERE...Wasatch Back.
* WHEN...From late tonight through Friday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Clear skies and light winds will allow
temperatures to drop into the upper 20s and low 30s, with frost
and freeze conditions throughout much of the Wasatch Back.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
LC
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
349 AM MDT Thu Sep 12 2024
COZ001>014-017>023-UTZ022>025-027>029-131000-
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-
349 AM MDT Thu Sep 12 2024
This hazardous weather outlook is for eastern Utah and western
Colorado.
.DAY ONE...Today and Tonight
Dry and windy conditions will lead to widespread critical fire
weather conditions with wind gusts of 25 to 40 mph possible over
many low and mid level elevations. Some stronger gusts are
possible over the mountains tomorrow afternoon. Isolated
thunderstorm development will be possible over portions of
northeast Utah and northwest Colorado this afternoon near an
approaching cold front. A noticeable increase in smoke will arrive
with the cold front and could impact air quality and visibility
into the early morning hours on Friday.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Dry conditions expected to continue through Saturday before
moisture arrives by Sunday and keeps a threat of afternoon
thunderstorm development in the forecast through at least early
next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
249 AM MDT Thu Sep 12 2024
WYZ001>020-022>030-131300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
249 AM MDT Thu Sep 12 2024
...Red Flag Warning in effect for portions of central and
southern Wyoming this afternoon...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Critical fire weather likely in portions of central and southern
Wyoming. Please see Red Flag Warning for details.
Strong thunderstorms possible in northern Wyoming this afternoon.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday...
Saturday through Monday...Elevated to possibly critical fire
weather conditions return to portions of the area.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
