Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 40, NWS Pueblo, CO

November 6, 2021Baca County, Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this red flag warning at Nov 6, 2021, 12:40 PM MDT for Baca County, Huerfano County, Las Animas County, Colorado. It was in force for 5 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
Nov 6, 2021, 12:40 PM MDT (18:40 UTC)
Expired
Nov 6, 2021, 6:00 PM MDT
In force
5 hr
Issued by
NWS Pueblo, CO

Counties Baca County, CO, Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 117 km from the middle of the area, began a volume at 18:45 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, 6.7 hours before the alert went out and 276 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 2021-11-06Temperature 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 2021-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
3506 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WWUS85 KPUB 061840
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
1240 PM MDT Sat Nov 6 2021

...A RED FLAG WARNING has been issued through 6 PM MDT this
evening for gusty winds and low humidity values for fire weather  
zones 229...233 AND 237 which includes Huerfano, Eastern Las
Animas, and Baca counties...

COZ229-233-237-070000-
/O.NEW.KPUB.FW.W.0040.211106T1840Z-211107T0000Z/
Huerfano County Including Walsenburg-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
1240 PM MDT Sat Nov 6 2021

...RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...233 AND 237...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect until 6 PM MDT this evening.

* Affected Area...Fire Weather Zones 229...233 and 237.

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

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

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
375 
WWUS85 KPUB 062106
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
306 PM MDT Sat Nov 6 2021

...A RED FLAG WARNING has been issued through 6 PM MDT this
evening for gusty winds and low humidity values for fire weather
zones 229...233 AND 237 which includes Huerfano, Eastern Las
Animas, and Baca counties...

COZ229-233-237-070000-
/O.CON.KPUB.FW.W.0040.000000T0000Z-211107T0000Z/
Huerfano County Including Walsenburg-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
306 PM MDT Sat Nov 6 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...233 AND 237...

* Affected Area...Fire Weather Zones 229...233 and 237.

* Winds...West to Southwest for zone 229, and South to southwest
  for zones 233 and 237, of 10 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 8 percent.

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.

&&

$$
635 
WWUS85 KPUB 062128 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Pueblo CO
328 PM MDT Sat Nov 6 2021

...A RED FLAG WARNING remains in effect until 6 PM MDT this 
evening for gusty winds and low humidity values for fire weather 
zones 229...233 AND 237 which includes Huerfano, Eastern Las 
Animas, and Baca counties...

COZ229-233-237-070000-
/O.CON.KPUB.FW.W.0040.000000T0000Z-211107T0000Z/
Huerfano County Including Walsenburg-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
328 PM MDT Sat Nov 6 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...233 AND 237...

* Affected Area...Fire Weather Zones 229...233 and 237.

* Winds...West to Southwest for zone 229, and South to southwest
  for zones 233 and 237, of 10 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 8 percent.

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.

&&

$$
204 
WWUS85 KPUB 062344
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
544 PM MDT Sat Nov 6 2021

...The Red Flag warning for Huerfano county, eastern Las Animas 
county and Baca county, fire weather zones 229, 233 and 237 will 
expire at 6 pm this evening...

COZ229-233-237-070045-
/O.EXP.KPUB.FW.W.0040.000000T0000Z-211107T0000Z/
Huerfano County Including Walsenburg-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
544 PM MDT Sat Nov 6 2021

...RED FLAG WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING FOR FIRE
WEATHER ZONES 229...233 AND 237...

Winds will decrease and humidity values will gradually increase.

$$

Hodanish

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.