Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 4, NWS Grand Junction, CO

April 7, 2021Daggett County, Grand County, Uintah County, Utah; 14 counties in Colorado

NWS Grand Junction, CO issued this red flag warning at Apr 7, 2021, 2:20 PM MDT for Daggett County, Grand County, Uintah County, Utah; 14 counties in Colorado. It took effect at Apr 8, 2021, 12:00 PM MDT. It was in force for 9 hr. 2 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
Apr 7, 2021, 2:20 PM MDT (20:20 UTC)
In effect from
Apr 8, 2021, 12:00 PM MDT
Expired
Apr 8, 2021, 9:00 PM MDT
In force
9 hr
Issued by
NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Garfield County, CO, Hinsdale County, CO, La Plata County, CO, Mesa 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, Uintah County, UT

The radar

The Grand Junction radar (KGJX), 41 km from the middle of the area, began a volume at 20:21 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
Apr 8, 3:17 PM MDTNON-TSTM WND GST 521 E Vernal, UTASOS STATION KVEL VERNAL RGNL AIRPORT.
Apr 8, 4:58 PM MDTNON-TSTM WND GST 455 Nw Glenwood Springs, COMESONET STATION STOC2 STRM KING MT, GLNWOOD 4NW.

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

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 8.3 hours before the alert went out and 52 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, Grand Junction, CO at 12:00Z on 2021-04-07Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 12:00Z on 2021-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939587897Sfc1 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
1751 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

831 
WWUS85 KGJT 072020
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
220 PM MDT Wed Apr 7 2021

COZ207-080430-
/O.UPG.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
/O.NEW.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
/O.CON.KGJT.FW.W.0003.000000T0000Z-210408T0300Z/
Southwest Colorado Lower Forecast Area-
220 PM MDT Wed Apr 7 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 207...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 207...

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 noon to 9 PM MDT Thursday. The
Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest 
  Colorado Lower Forecast Area.

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

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ202-203-290-UTZ490-080430-
/O.UPG.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
/O.NEW.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
White River Forecast Area-Lower Colorado River-
Paradox Valley Forecast Area-Colorado River Basin-
220 PM MDT Wed Apr 7 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 202, 203, 290, AND 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 noon to 9 PM MDT Thursday. The
Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 203 Lower Colorado River and 
  Fire Weather Zone 290 Paradox Valley Forecast Area. In Utah, 
  Fire Weather Zone 490 Colorado River Basin.

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

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ292-UTZ487-080430-
/O.NEW.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
North Fork Forecast Area-Book Cliffs-
220 PM MDT Wed Apr 7 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONES 292 AND 487...

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 noon to 9 PM MDT Thursday.

* AFFECTED AREA...In Colorado, Fire Weather Zone 292 North Fork 
  Forecast Area. In Utah, Fire Weather Zone 487 Book Cliffs.

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

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

UTZ486-080430-
/O.NEW.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Eastern Uinta Basin-
220 PM MDT Wed Apr 7 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 486 BELOW 6000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 6000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from noon to 9 PM MDT
Thursday.

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin below 6000 feet.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ295-080300-
/O.CON.KGJT.FW.W.0003.000000T0000Z-210408T0300Z/
Southwest Colorado Upper East Forecast Area-
220 PM MDT Wed Apr 7 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 295 BELOW 8000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 8000 feet.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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
858 
WWUS85 KGJT 080211
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
811 PM MDT Wed Apr 7 2021

COZ207-081200-
/O.CAN.KGJT.FW.W.0003.000000T0000Z-210408T0300Z/
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Southwest Colorado Lower Forecast Area-
811 PM MDT Wed Apr 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 207...

The National Weather Service in Grand Junction has cancelled the
Red Flag Warning.

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest 
  Colorado Lower Forecast Area.

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

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ295-080315-
/O.CAN.KGJT.FW.W.0003.000000T0000Z-210408T0300Z/
Southwest Colorado Upper East Forecast Area-
811 PM MDT Wed Apr 7 2021

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS, LOW RELATIVE
HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONE 295...

The National Weather Service in Grand Junction has cancelled the
Red Flag Warning.

Winds have lessened below 25 mph with relative humidities
beginning to recover. The threat of critical fire weather
conditions has ended so cancelled the Red Flag Warning for today 
an hour early.

$$

COZ202-203-290-292-UTZ487-490-081200-
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
White River Forecast Area-Lower Colorado River-
Paradox Valley Forecast Area-North Fork Forecast Area-Book Cliffs-
Colorado River Basin-
811 PM MDT Wed Apr 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 202, 203, 290, 292, 487, AND 490...

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 203 Lower Colorado River, 
  Fire Weather Zone 290 Paradox Valley Forecast Area and Fire 
  Weather Zone 292 North Fork Forecast Area. In Utah, Fire 
  Weather Zone 487 Book Cliffs and Fire Weather Zone 490 
  Colorado River Basin.

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

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

UTZ486-081200-
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Eastern Uinta Basin-
811 PM MDT Wed Apr 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 486 BELOW 6000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin below 6000 feet.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$
838 
WWUS85 KGJT 080828
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
228 AM MDT Thu Apr 8 2021

COZ207-082200-
/O.NEW.KGJT.FW.W.0005.210409T1800Z-210410T0300Z/
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Southwest Colorado Lower Forecast Area-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS
FOR FIRE WEATHER ZONE 207...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 207...

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 noon to 9 PM MDT Friday.

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest 
  Colorado Lower Forecast Area.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ200-082200-
/O.EXA.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Little Snake Forecast Area-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 200...

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 noon today to 9 PM MDT this
evening.

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ295-082200-
/O.EXA.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Southwest Colorado Upper East Forecast Area-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 295 BELOW 8000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 8000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from noon today to
9 PM MDT this evening.

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 8000 feet.

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

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ290-UTZ487-490-082200-
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Paradox Valley Forecast Area-Book Cliffs-Colorado River Basin-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS
FOR FIRE WEATHER ZONES 290, 487, AND 490...

* AFFECTED AREA...In Colorado, Fire Weather Zone 290 Paradox 
  Valley Forecast Area. In Utah, Fire Weather Zone 487 Book 
  Cliffs and Fire Weather Zone 490 Colorado River Basin.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

UTZ486-082200-
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
Eastern Uinta Basin-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS
FOR FIRE WEATHER ZONE 486 BELOW 6000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin below 6000 feet.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ202-203-292-082200-
/O.CON.KGJT.FW.W.0004.210408T1800Z-210409T0300Z/
White River Forecast Area-Lower Colorado River-
North Fork Forecast Area-
228 AM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS
FOR FIRE WEATHER ZONES 202, 203, AND 292 BELOW 8000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 203 Lower Colorado River and 
  Fire Weather Zone 292 North Fork Forecast Area below 8000 feet.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$
766 
WWUS85 KGJT 082038
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
238 PM MDT Thu Apr 8 2021

COZ295-090300-
/O.EXA.KGJT.FW.W.0005.210409T1800Z-210410T0300Z/
/O.CON.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
Southwest Colorado Upper East Forecast Area-
238 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 295 BELOW 8000 FEET...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 295 BELOW 8000 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 8000 feet for gusty winds, low relative
humidity and dry fuels, which is in effect from noon to 9 PM MDT
Friday.

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 8000 feet.

* WINDS...For the Red Flag Warning today...West 10 to 20 mph with
  gusts up to 35 mph. For Friday's Red Flag Warning...Northwest 10
  to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ207-090300-
/O.CON.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
/O.CON.KGJT.FW.W.0005.210409T1800Z-210410T0300Z/
Southwest Colorado Lower Forecast Area-
238 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 207...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 207...

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest 
  Colorado Lower Forecast Area.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...7 to 15 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ200-290-UTZ487-490-090300-
/O.CON.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
Little Snake Forecast Area-Paradox Valley Forecast Area-
Book Cliffs-Colorado River Basin-
238 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONES 200, 290, 487, AND 490...

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little 
  Snake Forecast Area and Fire Weather Zone 290 Paradox Valley 
  Forecast Area. In Utah, Fire Weather Zone 487 Book Cliffs and 
  Fire Weather Zone 490 Colorado River Basin.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

UTZ486-090300-
/O.CON.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
Eastern Uinta Basin-
238 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 486 BELOW 6000 FEET...

* AFFECTED AREA...In Utah, Fire Weather Zone 486 Eastern Uinta 
  Basin below 6000 feet.

* WINDS...West 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$

COZ202-203-292-090300-
/O.CON.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
White River Forecast Area-Lower Colorado River-
North Fork Forecast Area-
238 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONES 202, 203, AND 292 BELOW 8000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River 
  Forecast Area, Fire Weather Zone 203 Lower Colorado River and 
  Fire Weather Zone 292 North Fork Forecast Area below 8000 feet.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and 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.

&&

$$
262 
WWUS85 KGJT 090304
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
904 PM MDT Thu Apr 8 2021

COZ207-091200-
/O.EXP.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
/O.CON.KGJT.FW.W.0005.210409T1800Z-210410T0300Z/
Southwest Colorado Lower Forecast Area-
904 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 207...

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest 
  Colorado Lower Forecast Area.

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

* RELATIVE HUMIDITY...9 to 14 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ295-091200-
/O.EXP.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
/O.CON.KGJT.FW.W.0005.210409T1800Z-210410T0300Z/
Southwest Colorado Upper East Forecast Area-
904 PM MDT Thu Apr 8 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 295 BELOW 8000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest 
  Colorado Upper East Forecast Area below 8000 feet.

* WINDS...Northwest 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...11 to 16 percent.

* IMPACTS...Conditions will become favorable for rapid ignition 
  and 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.

&&

$$

COZ200-202-203-290-292-UTZ486-487-490-090415-
/O.EXP.KGJT.FW.W.0004.000000T0000Z-210409T0300Z/
Little Snake Forecast Area-White River Forecast Area-
Lower Colorado River-Paradox Valley Forecast Area-
North Fork Forecast Area-Eastern Uinta Basin-Book Cliffs-
Colorado River Basin-
904 PM MDT Thu Apr 8 2021

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS, LOW RELATIVE
HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES 200, 202, 203, 290,
292, 486, 487, AND 490...

Winds have decreased this eveving across the area and the Red Flag
Warning has been allowed to expire. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 6:29 PM MDTFire Weather WatchGJTGrand20 hr

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.