Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 34, NWS Pueblo, CO

September 27, 20214 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Sep 27, 2021, 3:39 AM MDT for 4 counties in Colorado. It took effect at Sep 27, 2021, 12:00 PM MDT. It was in force for 6 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 27, 2021, 3:39 AM MDT (09:39 UTC)
In effect from
Sep 27, 2021, 12:00 PM MDT
Expired
Sep 27, 2021, 6:00 PM MDT
In force
6 hr
Issued by
NWS Pueblo, CO

Counties Crowley County, CO, El Paso County, CO, Fremont County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 34 km from the middle of the area, began a volume at 09:38 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, 9.7 hours before the alert went out and 195 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 2021-09-27Temperature 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 2021-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
4118 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

829 
WWUS85 KPUB 270939
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
339 AM MDT Mon Sep 27 2021

...A Red Flag Warning has been issued from Noon until 6 pm today 
for Gusty Winds, Low Relative Humidity and Dry Fuels for Fire 
Weather Zones 222, 226, 227, 228, and 231, which includes Fremont,
Pueblo, El Paso, and Crowley Counties...

COZ222-226>228-231-280000-
/O.NEW.KPUB.FW.W.0034.210927T1800Z-210928T0000Z/
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-
Crowley County Including Ordway-
339 AM MDT Mon Sep 27 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR
FIRE WEATHER ZONES 222... 226...227...228 AND 231...

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 6 PM MDT this evening.

* Affected Area...Fire Weather Zones 222...226...227...228 and 
  231.

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

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

* Temperatures...In the mid 80s.

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
660 
WWUS85 KPUB 272052
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
252 PM MDT Mon Sep 27 2021

...A Red Flag Warning is in effect until 6 pm today for Gusty 
Winds, Low Relative Humidity and Dry Fuels for Fire Weather Zones 
222, 226, 227, 228, and 231, which includes Fremont, Pueblo, El 
Paso, and Crowley Counties...

COZ222-226>228-231-280000-
/O.CON.KPUB.FW.W.0034.000000T0000Z-210928T0000Z/
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-
Crowley County Including Ordway-
252 PM MDT Mon Sep 27 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 222...226... 227...228 AND 231...

* Affected Area...Fire Weather Zones 222...226...227...228 and 
  231.

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

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

* Temperatures...In the lower 80s.

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
598 
WWUS85 KPUB 272359
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
559 PM MDT Mon Sep 27 2021

COZ222-226>228-231-280100-
/O.EXP.KPUB.FW.W.0034.000000T0000Z-210928T0000Z/
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-
Crowley County Including Ordway-
559 PM MDT Mon Sep 27 2021

...RED FLAG WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING FOR FIRE
WEATHER ZONES 222...226...227...228 AND 231...

Spotty critical fire weather conditions may continue early this
evening, however, expect conditions to improve through the
remainder of the evening.

$$

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.