Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 51, NWS Pueblo, CO

December 15, 2021Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this red flag warning at Dec 15, 2021, 10:34 PM MST for Huerfano County, Las Animas County, Colorado. It took effect at Dec 16, 2021, 10:00 AM MST. It was in force for 11 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 15, 2021, 10:34 PM MST (05:34 UTC)
In effect from
Dec 16, 2021, 10:00 AM MST
Expired
Dec 16, 2021, 9:00 PM MST
In force
11 hr
Issued by
NWS Pueblo, CO

Counties Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 110 km from the middle of the area, began a volume at 05:38 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.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 5.6 hours before the alert went out and 286 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 00:00Z on 2021-12-16Temperature 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 00:00Z on 2021-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.1939587897117Sfc1 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
3019 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

781 
WWUS85 KPUB 160534 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Pueblo CO
1034 PM MST Wed Dec 15 2021

...A Red Flag Warning has been issued for Thursday from 10 AM to 
7 PM for gusty winds and low humidity for fire weather zones 229,
230, and 233, which includes Las Animas and Huerfano Counties...

COZ229-230-233-162130-
/O.NEW.KPUB.FW.W.0051.211216T1700Z-211217T0200Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
1034 PM MST Wed Dec 15 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM MST THURSDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...230 AND 233...

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 7 PM MST Thursday.

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Relative Humidity...As low as 12 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.

&&

$$
5 follow-up statements
717 
WWUS85 KPUB 161043
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
343 AM MST Thu Dec 16 2021

...A Red Flag Warning is in effect Today from 10 AM to 7 PM for 
gusty winds and low humidity for fire weather zones 229, 230, and 
233, which includes Huerfano county and the lower elevations of 
Las Animas county.

COZ229-230-233-170200-
/O.CON.KPUB.FW.W.0051.211216T1700Z-211217T0200Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
343 AM MST Thu Dec 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Relative Humidity...As low as 11 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.

&&

$$

Hodanish
144 
WWUS85 KPUB 162201
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
301 PM MST Thu Dec 16 2021

...A Red Flag Warning remains in effect until 7 PM for gusty 
winds and low humidity for fire weather zones 229, 230, and 233, 
which includes Huerfano county and the lower elevations of Las 
Animas county.

COZ229-230-233-170200-
/O.CON.KPUB.FW.W.0051.000000T0000Z-211217T0200Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
301 PM MST Thu Dec 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

* Winds...South 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.

&&

$$
438 
WWUS85 KPUB 162204 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Pueblo CO
304 PM MST Thu Dec 16 2021

...A Red Flag Warning remains in effect until 7 PM for gusty 
winds and low humidity for fire weather zones 229, 230, and 233, 
which includes Huerfano county and the lower elevations of Las 
Animas County...

COZ229-230-233-170200-
/O.CON.KPUB.FW.W.0051.000000T0000Z-211217T0200Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
304 PM MST Thu Dec 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

* Winds...South 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.

&&

$$
809 
WWUS85 KPUB 170149
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
649 PM MST Thu Dec 16 2021

...The Red Flag Warning has been extended until 9 PM for gusty 
winds and low humidity for fire weather zones 229, 230, and 233, 
which includes Huerfano county and the lower elevations of Las 
Animas County...

COZ229-230-233-170400-
/O.EXT.KPUB.FW.W.0051.000000T0000Z-211217T0400Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
649 PM MST Thu Dec 16 2021

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MST THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

* Winds...Southwest 10 to 20 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.

&&

$$
998 
WWUS85 KPUB 170334
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
834 PM MST Thu Dec 16 2021

COZ229-230-233-170445-
/O.EXP.KPUB.FW.W.0051.000000T0000Z-211217T0400Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
834 PM MST Thu Dec 16 2021

...RED FLAG WARNING WILL EXPIRE AT 9 PM MST THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 229...230 AND 
233...

Winds will continue to lessen and humidities will continue to rise
this evening, therefore, conditions warranting a Red Flag Warning
are no longer present, and will allow for it to expire.

$$

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.