Red Flag Warning
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.
&&
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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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
349 AM MDT Thu Sep 12 2024
COZ001>014-017>023-UTZ022>025-027>029-131000-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
349 AM MDT Thu Sep 12 2024
This hazardous weather outlook is for eastern Utah and western
Colorado.
.DAY ONE...Today and Tonight
Dry and windy conditions will lead to widespread critical fire
weather conditions with wind gusts of 25 to 40 mph possible over
many low and mid level elevations. Some stronger gusts are
possible over the mountains tomorrow afternoon. Isolated
thunderstorm development will be possible over portions of
northeast Utah and northwest Colorado this afternoon near an
approaching cold front. A noticeable increase in smoke will arrive
with the cold front and could impact air quality and visibility
into the early morning hours on Friday.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Dry conditions expected to continue through Saturday before
moisture arrives by Sunday and keeps a threat of afternoon
thunderstorm development in the forecast through at least early
next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$