Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 52, NWS Pueblo, CO

December 20, 20219 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Dec 20, 2021, 2:10 PM MST for 9 counties in Colorado. It took effect at Dec 21, 2021, 9:00 AM MST. 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
Dec 20, 2021, 2:10 PM MST (21:10 UTC)
In effect from
Dec 21, 2021, 9:00 AM MST
Expired
Dec 21, 2021, 5:00 PM MST
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Pueblo County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 88 km from the middle of the area, began a volume at 21:14 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

Denver, CO (KDNR), launched 12:00Z, 9.2 hours before the alert went out and 254 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, Denver, CO at 12:00Z on 2021-12-20Temperature 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, Denver, CO at 12:00Z on 2021-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
3587 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

839 
WWUS85 KPUB 202110
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
210 PM MST Mon Dec 20 2021

...A Red Flag Warning has been issued from 9 AM until 5 PM Tuesday
for gusty winds and low relative humidity for fire weather zones
221, 222, 225, 229 and 230 which includes Teller and Fremont
counties, the Wets and Sangre De Cristo mountains and the 
southern I-25 corridor of Huerfano and western Las Animas 
counties...

...A Fire Weather Watch has been issued for Wednesday morning
through afternoon for gusty winds and low relative humidity for
fire weather zones 222 and 229 which includes Fremont and Huerfano
counties...


COZ222-229-211315-
/O.UPG.KPUB.FW.A.0029.211221T1700Z-211222T0000Z/
/O.NEW.KPUB.FW.W.0052.211221T1600Z-211222T0000Z/
/O.NEW.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
Fremont County Including Canon City/Howard/Texas Creek-
Huerfano County Including Walsenburg-
210 PM MST Mon Dec 20 2021

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 5 PM MST TUESDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
222 AND 229...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 222 AND 229...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 9 AM to 5 PM MST Tuesday. A Fire Weather Watch has
also been issued. This Fire Weather Watch for gusty winds and low
relative humidity is in effect from Wednesday morning through
Wednesday afternoon. The Fire Weather Watch for Tuesday is no 
longer in effect.

* Affected Area...Fire Weather Zones 222 and 229.

* Winds...West 15 to 25 mph with gusts up to 30 mph.

* Relative Humidity...As low as 7 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$

COZ221-225-230-211315-
/O.NEW.KPUB.FW.W.0052.211221T1600Z-211222T0000Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
210 PM MST Mon Dec 20 2021

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 5 PM MST TUESDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
221...225 AND 230...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 9 AM to 5 PM MST Tuesday.

* Affected Area...Fire Weather Zones 221...225 and 230.

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

* Relative Humidity...As low as 7 percent.

* Impacts...Conditions will be favorable for rapid rates of fire
  growth and spread. 

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.

&&

$$
2 follow-up statements
310 
WWUS85 KPUB 211119
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
419 AM MST Tue Dec 21 2021

...A Red Flag Warning remains in effect from 9 AM until 5 PM 
today for gusty winds and low relative humidity for fire weather 
zones 221, 222, 225, 229 and 230 which includes Teller and Fremont
counties, the Wets and Sangre De Cristo mountains and the 
southern I-25 corridor of Huerfano and western Las Animas 
counties...

...A Fire Weather Watch remains in effect for Wednesday morning 
through afternoon for gusty winds and low relative humidity for 
fire weather zones 221, 222, 226, and 229 which includes Teller,
northern El Paso, Fremont and Huerfano counties...

COZ222-229-220330-
/O.CON.KPUB.FW.W.0052.211221T1600Z-211222T0000Z/
/O.CON.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
Fremont County Including Canon City/Howard/Texas Creek-
Huerfano County Including Walsenburg-
419 AM MST Tue Dec 21 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
5 PM MST THIS AFTERNOON FOR FIRE WEATHER ZONES 222 AND 229... 

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING 
THROUGH WEDNESDAY AFTERNOON FOR FIRE WEATHER ZONES 222 AND 229...

* Affected Area...Fire Weather Zones 222 and 229.

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

* Relative Humidity...As low as 7 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$

COZ221-220330-
/O.EXA.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
/O.CON.KPUB.FW.W.0052.211221T1600Z-211222T0000Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
419 AM MST Tue Dec 21 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
5 PM MST THIS AFTERNOON FOR FIRE WEATHER ZONE 221... 

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH 
WEDNESDAY AFTERNOON FOR FIRE WEATHER ZONE 221...

The National Weather Service in Pueblo has issued a Fire Weather
Watch for gusty winds and low relative humidity, which is in 
effect from Wednesday morning through Wednesday afternoon.

* Affected Area...Fire Weather Zone 221.

* Winds...West 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 10 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$

COZ225-230-220000-
/O.CON.KPUB.FW.W.0052.211221T1600Z-211222T0000Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
419 AM MST Tue Dec 21 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
5 PM MST THIS AFTERNOON FOR FIRE WEATHER ZONES 225 AND 230...

* Affected Area...Fire Weather Zones 225 and 230.

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

* Relative Humidity...As low as 6 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$

COZ226-220330-
/O.EXA.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
Northern El Paso County Including Monument and Black Forest-
419 AM MST Tue Dec 21 2021

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON FOR FIRE WEATHER ZONE 226...

The National Weather Service in Pueblo has issued a Fire Weather
Watch for gusty winds and low relative humidity, which is in 
effect from Wednesday morning through Wednesday afternoon.

* Affected Area...Fire Weather Zone 226.

* Winds...Southwest 10 to 15 mph with gusts up to 30 mph.

* Relative Humidity...As low as 9 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$
451 
WWUS85 KPUB 212202
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
302 PM MST Tue Dec 21 2021

...A Red Flag Warning remains in effect until 5 PM this afternoon 
for gusty winds and low relative humidity for fire weather zones 
221, 222, 225, 229 and 230 which includes Teller and Fremont 
Counties, the Wets and Sangre De Cristo Mountains and the 
southern I-25 corridor of Huerfano and western Las Animas 
Counties...

...A Red Flag Warning has been issued from 10 AM Wednesday 
morning through 5 PM Wednesday afternoon for gusty winds and low 
relative humidity for fire weather zones 221, 222 and 229 which 
includes Teller, Fremont and Huerfano Counties...

COZ226-212315-
/O.CAN.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
Northern El Paso County Including Monument and Black Forest-
302 PM MST Tue Dec 21 2021

...FIRE WEATHER WATCH IS CANCELLED FOR FIRE WEATHER ZONE 226...

The National Weather Service in Pueblo has cancelled the Fire
Weather Watch.

While humidity values are forecast to be low, winds will be
marginally strong for much of northern El Paso County Wednesday
afternoon. Areas west of I-25 should keep an eye on conditions, as
spotty critical fire weather conditions will still be possible.

$$

COZ221-222-229-221415-
/O.UPG.KPUB.FW.A.0030.211222T1700Z-211223T0000Z/
/O.NEW.KPUB.FW.W.0053.211222T1700Z-211223T0000Z/
/O.CON.KPUB.FW.W.0052.000000T0000Z-211222T0000Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
Huerfano County Including Walsenburg-
302 PM MST Tue Dec 21 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR FIRE WEATHER ZONES 221, 222 AND 229...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 5 PM MST WEDNESDAY
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
221...222 AND 229...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 10 AM to 5 PM MST Wednesday. The Fire Weather Watch
is no longer in effect.

* Affected Area...Fire Weather Zones 221...222 and 229.

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

* Relative Humidity...5 to 10 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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.

&&

$$

COZ225-230-220000-
/O.CON.KPUB.FW.W.0052.000000T0000Z-211222T0000Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
302 PM MST Tue Dec 21 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR FIRE WEATHER ZONES 225 AND 230...

* Affected Area...Fire Weather Zones 225 and 230.

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

* Relative Humidity...5 to 10 percent.

* Impacts...Conditions will be favorable for rapid rates of fire 
  growth and spread.

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 Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 2:10 PM MSTFire Weather WatchPUBEl Paso, Fremont, Huerfano, Teller25 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.