Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 33, NWS Pueblo, CO

September 19, 20217 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Sep 19, 2021, 4:21 AM MDT for 7 counties in Colorado. It took effect at Sep 19, 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
Sep 19, 2021, 4:21 AM MDT (10:21 UTC)
In effect from
Sep 19, 2021, 12:00 PM MDT
Expired
Sep 19, 2021, 8:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Crowley County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 10.4 hours before the alert went out and 222 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 2021-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 00:00Z on 2021-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
46 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
3978 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

866 
WWUS85 KPUB 191021
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
421 AM MDT Sun Sep 19 2021

...A Red Flag Warning is in effect from noon until 8 PM MDT today
for gusty winds, low relative humidity, and dry fuels for Fire 
Weather Zones 222, 227, 228, 229, and 230, which includes southern
El Paso county, Fremont county, Pueblo county, and parts of 
Huerfano and Las Animas counties...

COZ222-227>230-200200-
/O.NEW.KPUB.FW.W.0033.210919T1800Z-210920T0200Z/
Fremont County Including Canon City/Howard/Texas Creek-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
421 AM MDT Sun Sep 19 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR
FIRE WEATHER ZONES 222...227...228...229 AND 230...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low relative humidity, and dry fuels 
which is in effect from noon today to 8 PM MDT this evening.

* Affected Area...Fire Weather Zones 222...227...228...229 and 
  230.

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

* Relative Humidity...As low as 13 percent.

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

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.

&&

$$
3 follow-up statements
169 
WWUS85 KPUB 191632
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
1032 AM MDT Sun Sep 19 2021

...A Red Flag Warning is in effect from noon until 8 PM MDT today
for gusty winds, low relative humidity, and dry fuels for Fire 
Weather Zones 222, 226, 227, 228, 229, 230, 231, 232, and 233, 
which includes El Paso, Fremont, Pueblo, Otero, Crowley, Las 
Animas, and parts of Huerfano Counties...

COZ226-231>233-200200-
/O.EXA.KPUB.FW.W.0033.210919T1800Z-210920T0200Z/
Northern El Paso County Including Monument and Black Forest-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
1032 AM MDT Sun Sep 19 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR FIRE 
WEATHER ZONES 226...231...232 AND 233...

The National Weather Service in Pueblo has issued a Red Flag
Warning for for gusty winds, low relative humidity, and dry fuels,
which is in effect until 8 PM MDT this evening.

* Affected Area...Fire Weather Zones 226...231...232 and 233.

* Winds...Southwest 15 to 20 mph with gusts up to 35 mph.

* Timing...

* Relative Humidity...As low as 12 percent.

* Temperatures...In the mid 80s.

* Lightning...

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

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.

&&

$$

COZ222-227>230-200200-
/O.CON.KPUB.FW.W.0033.210919T1800Z-210920T0200Z/
Fremont County Including Canon City/Howard/Texas Creek-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
1032 AM MDT Sun Sep 19 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR 
FIRE WEATHER ZONES 222...227... 228...229 AND 230...

* Affected Area...Fire Weather Zones 222...227...228...229 and 
  230.

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

* Relative Humidity...As low as 12 percent.

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

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.

&&

$$
253 
WWUS85 KPUB 192135
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
335 PM MDT Sun Sep 19 2021

...A Red Flag Warning is in effect from noon until 8 PM MDT today
for gusty winds, low relative humidity, and dry fuels for Fire
Weather Zones 222, 226, 227, 228, 229, 230, 231, 232, and 233,
which includes El Paso, Fremont, Pueblo, Otero, Crowley, Las
Animas, and parts of Huerfano Counties...

COZ222-226>233-200200-
/O.CON.KPUB.FW.W.0033.000000T0000Z-210920T0200Z/
Fremont County Including Canon City/Howard/Texas Creek-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
335 PM MDT Sun Sep 19 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR FIRE 
WEATHER ZONES 222...226... 227...228...229...230...231...232 AND 
233...

* Affected Area...Fire Weather Zones 222...226...227...228... 
  229...230...231...232 and 233.

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

* Relative Humidity...As low as 12 percent.

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

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.

&&

$$
539 
WWUS85 KPUB 200212
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
812 PM MDT Sun Sep 19 2021

...The Red Flag Warning been allowed to expire at 8 PM MDT for 
Fire Weather Zones 222, 226, 227, 228, 229, 230, 231, 232, and 
233, which includes El Paso, Fremont, Pueblo, Otero, Crowley, Las 
Animas, and parts of Huerfano Counties...

COZ222-226>233-200315-
/O.EXP.KPUB.FW.W.0033.000000T0000Z-210920T0200Z/
Fremont County Including Canon City/Howard/Texas Creek-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
812 PM MDT Sun Sep 19 2021

...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 
222...226...227...228...229...230...231... 232 AND 233...

* Winds have diminished and relative humidities have improved.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 2:45 PM MDTFreeze WatchPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache24 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.