Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 27, NWS Pueblo, CO

April 26, 20219 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 26, 2021, 2:55 PM MDT for 9 counties in Colorado. It took effect at Apr 27, 2021, 9:00 AM MDT. It was in force for 11 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 26, 2021, 2:55 PM MDT (20:55 UTC)
In effect from: Apr 27, 2021, 9:00 AM MDT
Expired: Apr 27, 2021, 8:00 PM MDT
In force: 11 hr
Issued by: NWS Pueblo, CO

Counties Baca County, CO, Bent County, CO, Crowley County, CO, Huerfano County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 85 km from the middle of the area, began a volume at 21:00 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

Time	Report	Where	Remark
Apr 27, 1:56 PM MDT	NON-TSTM WND GST 60	9 S Springfield, CO	ASOS STATION KSPD 8 S SPRINGFIELD.
Apr 27, 2:59 PM MDT	NON-TSTM WND GST 62	4 Sw Campo, CO	MESONET STATION UCNC2 UTE CANYON.

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

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.9 hours before the alert went out and 221 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3889 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

498 
WWUS85 KPUB 262055
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
255 PM MDT Mon Apr 26 2021

...A Red Flag Warning is in effect through 8 PM this evening for
strong gusty winds, low relative humidity and high Haines indices
for Fire Weather Zones 220, 221, 222, 224, and 225 through 237,
which includes the San Luis Valley, the Sangre de Cristo and Wet
Mountains, the upper Arkansas River Valley, Teller and Fremont
Counties, and all of the eastern plains...

...A Red Flag Warning has been issued from 9AM through 8PM on 
Tuesday for strong gusty winds, low relative humidity and high 
Haines indices for Fire Weather Zones 230, 232, 233, 234, 235, 236
and 237, which includes Kiowa, Otero, Bent, Prowers, Eastern Las 
Animas and Baca counties...

COZ230-232>237-271300-
/O.UPG.KPUB.FW.A.0015.210427T1700Z-210428T0200Z/
/O.NEW.KPUB.FW.W.0027.210427T1500Z-210428T0200Z/
/O.CON.KPUB.FW.W.0026.000000T0000Z-210427T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
255 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 230...232... 233...234...235...236
AND 237...

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM MDT TUESDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 230...232...233...234...235...236 
AND 237...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low relative humidity, dry fuels, and
high Haines Indices, which is in effect from 9 AM to 8 PM MDT 
Tuesday. The Fire Weather Watch is no longer in effect.

* Affected Area...Fire Weather Zones 230...232...233...234... 
  235...236 and 237.

* Winds...Southwest 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 5 percent.

* Temperatures...In the upper 60s.

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

* Haines...6.

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.

&&

$$

COZ220>222-224>229-231-270200-
/O.CON.KPUB.FW.W.0026.000000T0000Z-210427T0200Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
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-
Crowley County Including Ordway-
255 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 220...221... 222...224...225...226...227...228...229
AND 231...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229 and 231.

* Winds...Southwest 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...As low as 4 percent.

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

* Haines...6.

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

188 
WWUS85 KPUB 270157
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
757 PM MDT Mon Apr 26 2021

...A Red Flag Warning is in effect from 9 AM through 8 PM Tuesday
for strong gusty winds, low relative humidity and high Haines 
indices for Fire Weather Zones 230, 232, 233, 234, 235, 236 and 
237, which includes Kiowa, Otero, Bent, Prowers, Eastern Las 
Animas and Baca counties...

COZ230-232>237-271800-
/O.EXP.KPUB.FW.W.0026.000000T0000Z-210427T0200Z/
/O.CON.KPUB.FW.W.0027.210427T1500Z-210428T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
757 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT
TUESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND
HIGH HAINES INDICES FOR FIRE WEATHER ZONES 230...232...233...
234...235...236 AND 237...

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 230...232...233...234...235...
236 AND 237...

* Affected Area...Fire Weather Zones 230...232...233...234... 
  235...236 and 237.

* Winds...Southwest 25 to 35 mph with gusts up to 50 mph.

* Relative Humidity...5 to 10 percent.

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

* Haines...6.

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.

&&

$$

COZ220>222-224>229-231-270300-
/O.EXP.KPUB.FW.W.0026.000000T0000Z-210427T0200Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
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-
Crowley County Including Ordway-
757 PM MDT Mon Apr 26 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 220...221...222...224...225...
226...227...228...229 AND 231...

Winds across the area have begun to dissipate this evening,
however, a few wind gusts near 40 mph are possible mainly over Las
Animas and Baca Counties through 10 PM. Humidity recoveries are
forecast to be poor, with most locations across the Plains only
recovering to the lower 20 percent range.

$$

091 
WWUS85 KPUB 270303
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
903 PM MDT Mon Apr 26 2021

...A Red Flag Warning is now in effect from 12 PM until 8 PM 
Tuesday for gusty winds, low relative humidity and high Haines 
indices for fire weather zones 228...229 and 231 which includes 
Pueblo, Huerfano and Crowley Counties...

...A Red Flag Warning is in effect from 9 AM through 8 PM Tuesday
for strong gusty winds, low relative humidity and high Haines
indices for Fire Weather Zones 230, 232, 233, 234, 235, 236 and
237, which includes Kiowa, Otero, Bent, Prowers, Eastern Las
Animas and Baca counties...

COZ228-229-231-271915-
/O.EXB.KPUB.FW.W.0027.210427T1800Z-210428T0200Z/
Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Crowley County Including Ordway-
903 PM MDT Mon Apr 26 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TUESDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR
FIRE WEATHER ZONES 228...229 AND 231...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low relative humidity, and high Haines
indices, which is in effect from noon to 8 PM MDT Tuesday.

* Affected Area...Fire Weather Zones 228...229 and 231.

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

* Relative Humidity...10 to 15 percent.

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

* Haines...5.

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.

&&

$$

COZ230-232>237-271915-
/O.CON.KPUB.FW.W.0027.210427T1500Z-210428T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
903 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT
TUESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND HIGH HAINES 
INDICES FOR FIRE WEATHER ZONES 230...232...233... 234...235...236 
AND 237...

* Affected Area...Fire Weather Zones 230...232...233...234... 
  235...236 and 237.

* Winds...Southwest 25 to 35 mph with gusts up to 50 mph.

* Relative Humidity...5 to 10 percent.

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

* Haines...5.

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.

&&

$$

548 
WWUS85 KPUB 270957
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
357 AM MDT Tue Apr 27 2021

...A Red Flag Warning is in effect from 12 PM until 8 PM Today 
for gusty winds, low relative humidity and high Haines indices for
fire weather zones 228...229 and 231 which includes Pueblo, 
Huerfano and Crowley Counties...

...A Red Flag Warning is in effect from 9 AM through 8 PM Today for
strong gusty winds, low relative humidity and high Haines indices
for Fire Weather Zones 230, 232, 233, 234, 235, 236 and 237, 
which includes Kiowa, Otero, Bent, Prowers, Eastern Las Animas and
Baca counties...

COZ230-232>237-280200-
/O.CON.KPUB.FW.W.0027.210427T1500Z-210428T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
357 AM MDT Tue Apr 27 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH HAINES INDICES FOR FIRE WEATHER ZONES 230...232...233...
234...235...236 AND 237...

* Affected Area...Fire Weather Zones 230...232...233...234... 
  235...236 and 237.

* Winds...Southwest 25 to 35 mph with gusts up to 50 mph.

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

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

* Haines...5.

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.

&&

$$

COZ228-229-231-280200-
/O.CON.KPUB.FW.W.0027.210427T1800Z-210428T0200Z/
Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Crowley County Including Ordway-
357 AM MDT Tue Apr 27 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH
HAINES INDICES FOR FIRE WEATHER ZONES 228...229 AND 231...

* Affected Area...Fire Weather Zones 228...229 and 231.

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

* Relative Humidity...As low as 15 percent.

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

* Haines...5.

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

205 
WWUS85 KPUB 272058
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
258 PM MDT Tue Apr 27 2021

...A Red Flag Warning remains in effect until 8 PM Today for 
gusty winds, low relative humidity and high Haines indices for 
fire weather zones 228 though 237, which includes Pueblo, 
Huerfano, Crowley, Otero, Bent, Prowers, Kiowa, Las Animas and 
Baca Counties...

COZ230-232>237-280200-
/O.CON.KPUB.FW.W.0027.000000T0000Z-210428T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
258 PM MDT Tue Apr 27 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
230...232...233...234...235...236 AND 237...

* Affected Area...Fire Weather Zones 230...232...233...234... 
  235...236 and 237.

* Winds...Southwest 20 to 30 mph with gusts up to 55 mph.

* Relative Humidity...As low as 11 percent.

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

* Haines...5.

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.

&&

$$

COZ228-229-231-280200-
/O.CON.KPUB.FW.W.0027.000000T0000Z-210428T0200Z/
Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Crowley County Including Ordway-
258 PM MDT Tue Apr 27 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
228...229 AND 231...

* Affected Area...Fire Weather Zones 228...229 and 231.

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

* Relative Humidity...As low as 15 percent.

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

* Haines...5.

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.

&&

$$

023 
WWUS85 KPUB 280154
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
754 PM MDT Tue Apr 27 2021

COZ230-232>237-280300-
/O.EXP.KPUB.FW.W.0027.000000T0000Z-210428T0200Z/
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
754 PM MDT Tue Apr 27 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
230...232...233...234...235...236 AND 237...

Winds will remain gusty across Las Animas and Baca Counties
through 10 PM. Humidity values are recovering, with most area
above 15 percent. A few spotty areas of near critical fire weather
conditions will remain possible through midnight.

$$

COZ228-229-231-280300-
/O.EXP.KPUB.FW.W.0027.000000T0000Z-210428T0200Z/
Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Crowley County Including Ordway-
754 PM MDT Tue Apr 27 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
228...229 AND 231...

Winds are subsiding and humidity values are rising behind a cold
front that passed across the area. Therefore, the Red Flag Warning
will be allowed to expire at 8 PM this evening.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 4:16 AM MDT	Fire Weather Watch	PUB	Baca, Bent, Kiowa, Las Animas, Otero, Prowers	11 hr

Nearby

Red Flag Warnings in Colorado, 2021 Every 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.