Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 3, NWS Grand Junction, CO

April 6, 20217 counties in Colorado

NWS Grand Junction, CO issued this red flag warning at Apr 6, 2021, 2:09 PM MDT for 7 counties in Colorado. It took effect at Apr 7, 2021, 12:00 PM MDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 6, 2021, 2:09 PM MDT (20:09 UTC)
In effect from
Apr 7, 2021, 12:00 PM MDT
Expired
Apr 7, 2021, 8:11 PM MDT
In force
8 hr
Issued by
NWS Grand Junction, CO

Counties Archuleta County, CO, Dolores County, CO, Hinsdale County, CO, La Plata County, CO, Montezuma County, CO, San Juan County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 165 km from the middle of the area, began a volume at 20:09 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.

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 8.2 hours before the alert went out and 178 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 2021-04-06Temperature 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 2021-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 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
2733 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

445 
WWUS85 KGJT 062009
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
209 PM MDT Tue Apr 6 2021

COZ207-070415-
/O.UPG.KGJT.FW.A.0003.210407T1800Z-210408T0300Z/
/O.NEW.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
/O.CON.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
Southwest Colorado Lower Forecast Area-
209 PM MDT Tue Apr 6 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 WEDNESDAY 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 Wednesday. The
Fire Weather Watch is no longer in effect.

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

* WINDS...Northwest 15 to 25 mph with gusts up to 45 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.

&&

$$

COZ295-070415-
/O.NEW.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
/O.CON.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
Southwest Colorado Upper East Forecast Area-
209 PM MDT Tue Apr 6 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 WEDNESDAY 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
Wednesday.

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

* WINDS...West 15 to 25 mph with gusts up to 45 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.

&&

$$

UTZ490-070300-
/O.CON.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
Colorado River Basin-
209 PM MDT Tue Apr 6 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 490...

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

* WINDS...West 15 to 25 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.

&&

$$
4 follow-up statements
534 
WWUS85 KGJT 070029
RFWGJT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
629 PM MDT Tue Apr 6 2021

COZ207-071200-
/O.CAN.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
/O.CON.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
Southwest Colorado Lower Forecast Area-
629 PM MDT Tue Apr 6 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
WEDNESDAY 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...Northwest 15 to 25 mph with gusts 30 to 40 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.

&&

$$

COZ295-071200-
/O.CAN.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
/O.CON.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
Southwest Colorado Upper East Forecast Area-
629 PM MDT Tue Apr 6 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
WEDNESDAY 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 cancelled the
Red Flag Warning.

* 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 25 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.

&&

$$

UTZ490-071200-
/O.CAN.KGJT.FW.W.0002.000000T0000Z-210407T0300Z/
/O.NEW.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
Colorado River Basin-
629 PM MDT Tue Apr 6 2021

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY 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 Fire
Weather Watch for gusty winds, low relative humidity and dry
fuels, which is in effect from Thursday afternoon through
Thursday evening. The Red Flag Warning has been cancelled.

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

* WINDS...West 10 to 20 mph with gusts 25 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 Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ202-203-071200-
/O.NEW.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
White River Forecast Area-Lower Colorado River-
629 PM MDT Tue Apr 6 2021

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONES 202 AND 203...

The National Weather Service in Grand Junction has issued a Fire
Weather Watch for gusty winds, low relative humidity and dry
fuels, which is in effect from Thursday afternoon through
Thursday evening.

* AFFECTED AREA...In Colorado, Fire Weather Zone 202 White River 
  Forecast Area and Fire Weather Zone 203 Lower Colorado River.

* WINDS...West 10 to 20 mph with gusts 25 to 30 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
426 
WWUS85 KGJT 070830
RFWGJT

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


COZ207-072100-
/O.EXA.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
/O.CON.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
Southwest Colorado Lower Forecast Area-
230 AM MDT Wed Apr 7 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...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONE 207...

The National Weather Service in Grand Junction has issued a Fire
Weather Watch for gusty winds, low relative humidity and dry
fuels, which is in effect from Thursday afternoon through
Thursday evening.

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

* WINDS...Northwest 15 to 25 mph with gusts 30 to 40 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.

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

&&

$$

COZ295-072100-
/O.CON.KGJT.FW.W.0003.210407T1800Z-210408T0300Z/
Southwest Colorado Upper East Forecast Area-
230 AM MDT Wed Apr 7 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 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 25 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.

&&

$$

COZ290-072100-
/O.EXA.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
Paradox Valley Forecast Area-
230 AM MDT Wed Apr 7 2021

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY
FUELS FOR FIRE WEATHER ZONE 290...

The National Weather Service in Grand Junction has issued a Fire
Weather Watch for gusty winds, low relative humidity and dry
fuels, which is in effect from Thursday afternoon through
Thursday evening.

* AFFECTED AREA...In Colorado, Fire Weather Zone 290 Paradox 
  Valley Forecast Area.

* WINDS...West 10 to 20 mph with gusts 25 to 30 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and spread of fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ202-203-UTZ490-072100-
/O.CON.KGJT.FW.A.0004.210408T1800Z-210409T0200Z/
White River Forecast Area-Lower Colorado River-
Colorado River Basin-
230 AM MDT Wed Apr 7 2021

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY
AND DRY FUELS FOR FIRE WEATHER ZONES 202, 203, AND 490...

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

* WINDS...West 10 to 20 mph with gusts 25 to 30 mph.

* RELATIVE HUMIDITY...10 to 15 percent.

* IMPACTS...Conditions could become favorable for rapid ignition 
  and spread of fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
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.

&&

$$
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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 3:07 AM MDTFreeze WarningGJTDelta, Dolores, Garfield, Gunnison, Mesa, Montezuma and 2 more30 hr

Nearby

Red Flag Warnings in Colorado, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.