Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 21, NWS Grand Junction, CO

May 19, 202112 counties in Colorado; 4 counties in Utah

NWS Grand Junction, CO issued this red flag warning at May 19, 2021, 2:39 PM MDT for 12 counties in Colorado; 4 counties in Utah. It took effect at May 20, 2021, 11:00 AM MDT. It was in force for 12 hr. 23 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 19, 2021, 2:39 PM MDT (20:39 UTC)
In effect from
May 20, 2021, 11:00 AM MDT
Expired
May 20, 2021, 11:00 PM MDT
In force
12 hr
Issued by
NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Hinsdale County, CO, La Plata County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Rio Blanco County, CO, San Juan County, CO, San Miguel County, CO, Daggett County, UT, Grand County, UT, San Juan County, UT, Uintah County, UT

The radar

The Grand Junction radar (KGJX), 59 km from the middle of the area, began a volume at 20:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
May 20, 11:10 AM MDTNON-TSTM WND GST 452 E Monticello, UTMESONET STATION UTMPO US-491 AT MP 2 MONTICELLO POE.
May 20, 11:48 AM MDTNON-TSTM WND GST 4541 Nne Elgin, UTMESONET STATION WHBU1 WILDHORSE.
May 20, 12:25 PM MDTNON-TSTM WND GST 4716 Nw Moab, UTASOS STATION KCNY 16 NW MOAB.
May 20, 12:27 PM MDTNON-TSTM WND GST 4657 Ne Elgin, UTMESONET STATION UPRU1 UPR P.R. CANYON, MACK 28NW.
May 20, 12:45 PM MDTNON-TSTM WND GST 462 Sw Maeser, UTMESONET STATION EW3712 VERNAL.
May 20, 12:48 PM MDTNON-TSTM WND GST 4546 Nne Castle Valley, UTMESONET STATION BCRU1 BRYSON CANYON.
May 20, 1:10 PM MDTNON-TSTM WND GST 4713 Nne Maeser, UTMESONET STATION UTWPO US-191 AT MP 369 WINDY POINT.
May 20, 1:18 PM MDTNON-TSTM WND GST 4613 Ssw Rangely, COMESONET STATION DRAC2 DRAGON ROAD.
May 20, 1:23 PM MDTNON-TSTM WND GST 4818 Se Massadona, COMESONET STATION PIRC2 PINTO, MASSADONA 18SE.
May 20, 1:40 PM MDTNON-TSTM WND GST 456 W Manila, UTMESONET STATION UT43W SR-43 AT MP 0.5 WEST STATELINE.
May 20, 1:44 PM MDTNON-TSTM WND GST 477 Wnw Dove Creek, COMESONET STATION CO133 491S068 DOVE CREEK.
May 20, 1:46 PM MDTNON-TSTM WND GST 512 Sw Great Divide, COMESONET STATION GDRC2 GREAT DIVIDE 2SW.
May 20, 1:48 PM MDTNON-TSTM WND GST 5346 Nne Castle Valley, UTMESONET STATION BCRU1 BRYSON CANYON.
May 20, 1:53 PM MDTNON-TSTM WND GST 494 Wnw Elk Springs, COMESONET STATION TS654 CALICO.
May 20, 2:18 PM MDTNON-TSTM WND GST 4913 Ssw Rangely, COMESONET STATION DRAC2 DRAGON ROAD.
May 20, 2:24 PM MDTNON-TSTM WND GST 4512 Se Whitewater, COMESONET STATION CO119 050W054 MESA COUNTY LINE SOUTH.
May 20, 2:27 PM MDTNON-TSTM WND GST 4548 Ne Elgin, UTMESONET STATION WNTU1 WINTER RIDGE, MACK 41WNW.
May 20, 2:27 PM MDTNON-TSTM WND GST 4551 Se Randlett, UTMESONET STATION MCKU1 MCCOOK RIDGE, MACK 35NW.
May 20, 2:42 PM MDTNON-TSTM WND GST 452 Nw Montrose, COASOS STATION KMTJ MONTROSE RGNL AIRPORT.
May 20, 3:48 PM MDTNON-TSTM WND GST 4841 Nne Elgin, UTMESONET STATION WHBU1 WILDHORSE.
May 20, 5:27 PM MDTNON-TSTM WND GST 4518 Ne Naples, UTMESONET STATION DIAU1 DIAMOND RIM, VERNAL 19NE.
May 20, 5:27 PM MDTNON-TSTM WND GST 452 Ese Craig, COASOS STATION KCAG CRAIG-MOFFAT COUNTY AIRPORT.
May 20, 6:30 PM MDTNON-TSTM WND GST 556 W Manila, UTMESONET STATION UT43W SR-43 AT MP 0.5 WEST STATELINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.7 hours before the alert went out and 390 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 12:00Z on 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2021-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2894 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

392 
WWUS85 KGJT 192039
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
239 PM MDT Wed May 19 2021

UTZ490-200445-
/O.UPG.KGJT.FW.A.0018.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
Colorado River Basin-
239 PM MDT Wed May 19 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT THURSDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 490...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONE 490...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM to 11 PM MDT Thursday. A
Fire Weather Watch has also been issued. This Fire Weather Watch
for gusty winds, low relative humidity and dry fuels is in effect
from Friday morning through Friday evening. 

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

UTZ491-200445-
/O.UPG.KGJT.FW.A.0018.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
Southeast Utah-
239 PM MDT Wed May 19 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT THURSDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 491 BELOW 7000 FEET...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONE 491 BELOW 7000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 7000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from 11 AM to 11 PM
MDT Thursday. A Fire Weather Watch has also been issued. This
Fire Weather Watch below 7000 feet for gusty winds, low relative
humidity and dry fuels is in effect from Friday morning through
Friday evening.

* AFFECTED AREA...In Utah, Fire Weather Zone 491 Southeast Utah 
  below 7000 feet.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ200-202-207-290-292-200445-
/O.UPG.KGJT.FW.A.0018.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Little Snake Forecast Area-White River Forecast Area-
Southwest Colorado Lower Forecast Area-
Paradox Valley Forecast Area-North Fork Forecast Area-
239 PM MDT Wed May 19 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT THURSDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONES 200, 202, 207, 290, AND 292...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM to 11 PM MDT Thursday. The
Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower 
  Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast 
  Area and Fire Weather Zone 292 North Fork Forecast Area.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ294-200445-
/O.UPG.KGJT.FW.A.0018.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper West Forecast Area-
239 PM MDT Wed May 19 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT THURSDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 294 BELOW 9000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 9000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from 11 AM to 11 PM
MDT Thursday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 294 Southwest 
  Colorado Upper West Forecast Area below 9000 feet.

* WINDS...South 20 to 30 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ295-200445-
/O.UPG.KGJT.FW.A.0018.210520T1700Z-210521T0500Z/
/O.NEW.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper East Forecast Area-
239 PM MDT Wed May 19 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT THURSDAY
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 295 BELOW 9500 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 9500 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from 11 AM to 11 PM
MDT Thursday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 9500 feet.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$
4 follow-up statements
751 
WWUS85 KGJT 200306
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
906 PM MDT Wed May 19 2021

UTZ490-201300-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
/O.CON.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
Colorado River Basin-
906 PM MDT Wed May 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 490...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 490...

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

UTZ491-201300-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
/O.CON.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
Southeast Utah-
906 PM MDT Wed May 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 491 BELOW 7000 FEET...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 491 BELOW 7000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 491 Southeast Utah 
  below 7000 feet.

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ200-202-207-290-292-201300-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Little Snake Forecast Area-White River Forecast Area-
Southwest Colorado Lower Forecast Area-
Paradox Valley Forecast Area-North Fork Forecast Area-
906 PM MDT Wed May 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 200, 202, 207, 290, AND 292...

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower 
  Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast 
  Area and Fire Weather Zone 292 North Fork Forecast Area.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ294-201300-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper West Forecast Area-
906 PM MDT Wed May 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 294 BELOW 9000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 294 Southwest 
  Colorado Upper West Forecast Area below 9000 feet.

* WINDS...South 20 to 30 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ295-201300-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper East Forecast Area-
906 PM MDT Wed May 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 295 BELOW 9500 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 9500 feet.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$
973 
WWUS85 KGJT 200921
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
321 AM MDT Thu May 20 2021

UTZ490-210000-
/O.UPG.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
/O.NEW.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Colorado River Basin-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 490...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 490...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM to 9 PM MDT Friday. The Fire
Weather Watch is no longer in effect.

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

UTZ491-210000-
/O.UPG.KGJT.FW.A.0019.210521T1700Z-210522T0300Z/
/O.NEW.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southeast Utah-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 491 BELOW 7000 FEET...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 491 BELOW 7000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 7000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from 11 AM to 9 PM MDT
Friday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Utah, Fire Weather Zone 491 Southeast Utah 
  below 7000 feet.

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

UTZ486-210000-
/O.EXA.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Eastern Uinta Basin-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 PM
MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONE 486...

The National Weather Service in Grand Junction has issued a Red
Flag Warning for gusty winds, low relative humidity and dry
fuels, which is in effect from 11 AM this morning to 11 PM MDT
this evening.

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ200-202-207-290-292-210000-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Little Snake Forecast Area-White River Forecast Area-
Southwest Colorado Lower Forecast Area-
Paradox Valley Forecast Area-North Fork Forecast Area-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONES 200, 202, 207, 290, AND 292...

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower 
  Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast 
  Area and Fire Weather Zone 292 North Fork Forecast Area.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ294-210000-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper West Forecast Area-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 294 BELOW 9000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 294 Southwest 
  Colorado Upper West Forecast Area below 9000 feet.

* WINDS...South 20 to 30 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ295-210000-
/O.CON.KGJT.FW.W.0021.210520T1700Z-210521T0500Z/
Southwest Colorado Upper East Forecast Area-
321 AM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONE 295 BELOW 9500 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 9500 feet.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$
979 
WWUS85 KGJT 202108
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
308 PM MDT Thu May 20 2021

UTZ490-210700-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
/O.CON.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
Colorado River Basin-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 490...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT 
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR 
FIRE WEATHER ZONE 490...

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

UTZ491-210700-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
/O.CON.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
Southeast Utah-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 491 BELOW 7000 FEET...
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 491 BELOW 7000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 491 Southeast Utah 
  below 7000 feet.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...8 to 13 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ200-202-207-290-292-210500-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Little Snake Forecast Area-White River Forecast Area-
Southwest Colorado Lower Forecast Area-
Paradox Valley Forecast Area-North Fork Forecast Area-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 200, 202, 207, 290, AND 292...

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower 
  Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast 
  Area and Fire Weather Zone 292 North Fork Forecast Area.

* WINDS...Southwest 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

UTZ486-210500-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Eastern Uinta Basin-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 486...

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin.

* WINDS...Southwest 20 to 30 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...8 to 13 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ294-210500-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Southwest Colorado Upper West Forecast Area-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 294 BELOW 9000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 294 Southwest 
  Colorado Upper West Forecast Area below 9000 feet.

* WINDS...Southwest 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ295-210500-
/O.CON.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Southwest Colorado Upper East Forecast Area-
308 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 295 BELOW 9500 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 9500 feet.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$
481 
WWUS85 KGJT 210458
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
1058 PM MDT Thu May 20 2021

UTZ490-220000-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
/O.CON.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
Colorado River Basin-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 490...

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 490...

* AFFECTED AREA...In Utah, Fire Weather Zone 490 Colorado River 
  Basin.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...7 to 12 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

UTZ491-220000-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
/O.CON.KGJT.FW.W.0022.210521T1700Z-210522T0300Z/
Southeast Utah-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 491 BELOW 7000 FEET...

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 491 BELOW 7000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 491 Southeast Utah 
  below 7000 feet.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* RELATIVE HUMIDITY...8 to 13 percent.

* IMPACTS...Conditions will be favorable for easy ignition and 
  rapid spread of fires.

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.

&&

$$

COZ200-202-207-290-292-210600-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Little Snake Forecast Area-White River Forecast Area-
Southwest Colorado Lower Forecast Area-
Paradox Valley Forecast Area-North Fork Forecast Area-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 200, 202, 207, 290, AND 292...

Humidities have recovered and though some gusty winds continue,
critical fire weather conditions are no longer being met. The
current Red Flag Warning will be allowed to expire.

$$

UTZ486-210600-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Eastern Uinta Basin-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 486...

Humidities have recovered and though some gusty winds continue,
critical fire weather conditions are no longer being met. The
current Red Flag Warning will be allowed to expire.

$$

COZ294-210600-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Southwest Colorado Upper West Forecast Area-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 294 BELOW 9000 FEET...

Humidities have recovered and though some gusty winds continue,
critical fire weather conditions are no longer being met. The
current Red Flag Warning will be allowed to expire.

$$

COZ295-210600-
/O.EXP.KGJT.FW.W.0021.000000T0000Z-210521T0500Z/
Southwest Colorado Upper East Forecast Area-
1058 PM MDT Thu May 20 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 295 BELOW 9500 FEET...

Humidities have recovered and though some gusty winds continue,
critical fire weather conditions are no longer being met. The
current Red Flag Warning will be allowed to expire.

$$

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 7:43 PM MDTSpecial Weather StatementGJTMesa47 min
May 19, 3:21 AM MDTFire Weather WatchGJTArchuleta, Delta, Dolores, Hinsdale, La Plata, Moffat and 6 more11 hr
May 19, 2:34 PM MDTWind AdvisoryGJTDolores, Garfield, Mesa, Moffat, Montezuma, Montrose and 3 more30 hr
May 19, 2:34 PM MDTWind AdvisoryGJTGarfield, Moffat, Rio Blanco54 hr
May 19, 2:39 PM MDTFire Weather WatchGJTGrand, San Juan13 hr
May 19, 4:59 PM MDTSpecial Weather StatementGJTGrand46 min
May 19, 5:45 PM MDTSpecial Weather StatementGJTGrand45 min

Nearby

Red Flag Warnings in Colorado, 2021Red Flag Warnings in Utah, 2021Every red flag warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.