Alert archive / Colorado / Red Flag Warnings in 2020

Red Flag Warning 52, NWS Pueblo, CO

September 25, 202014 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Sep 25, 2020, 4:46 PM MDT for 14 counties in Colorado. It took effect at Sep 26, 2020, 10:15 AM MDT. It was in force for 10 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 25, 2020, 4:46 PM MDT (22:46 UTC)
In effect from
Sep 26, 2020, 10:15 AM MDT
Expired
Sep 26, 2020, 8:00 PM MDT
In force
10 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 120 km from the middle of the area, began a volume at 22:44 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, 10.8 hours before the alert went out and 278 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 2020-09-25Temperature 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 2020-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
3526 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WWUS85 KPUB 252246 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Pueblo CO
446 PM MDT Fri Sep 25 2020

...A Red Flag Warning remains in effect until 8 PM MDT today for 
gusty winds, low humidity, high Haines indices and dry fuels for 
fire weather zones 220, 221 and 222, which includes Lake, Chaffee,
Fremont and Teller Counties, and western El Paso County...

...A Red Flag Warning has been issued from 11 AM until 8 PM MDT 
Saturday for gusty winds, low humidity, high Haines indices and 
dry fuels for fire weather zones 220, 221 and 222, which includes 
Lake, Chaffee, Fremont and Teller Counties, and western El Paso 
County...

COZ220>222-261330-
/O.NEW.KPUB.FW.W.0052.200926T1700Z-200927T0200Z/
/O.CON.KPUB.FW.W.0051.000000T0000Z-200926T0200Z/
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-
446 PM MDT Fri Sep 25 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220...221 AND 222... 

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY FOR
FIRE WEATHER ZONES 220...221 AND 222...

* Affected Area...Fire Weather Zones 220...221 and 222.

* Winds...West 15 to 25 mph with gusts up to 35 to 45 mph.

* Relative Humidity...As low as 9 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.

&&

$$
5 follow-up statements
739 
WWUS85 KPUB 260203
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
803 PM MDT Fri Sep 25 2020

...A Red Flag Warning remains in effect from 11 AM until 8 PM MDT on
Saturday for gusty winds, low humidity, high Haines indices and dry 
fuels for fire weather zones 220, 221 and 222, which includes Lake, 
Chaffee, Fremont and Teller Counties, and western El Paso
County...

COZ220>222-261815-
/O.EXP.KPUB.FW.W.0051.000000T0000Z-200926T0200Z/
/O.CON.KPUB.FW.W.0052.200926T1700Z-200927T0200Z/
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-
803 PM MDT Fri Sep 25 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
SATURDAY FOR FIRE WEATHER ZONES 220...221 AND 222...

...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 220...221 
AND 222...

* Affected Area...Fire Weather Zones 220...221 and 222.

* Winds...West 15 to 25 mph with gusts up to 35 to 45 mph.

* Relative Humidity...As low as 9 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.

&&

$$
516 
WWUS85 KPUB 260956
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
356 AM MDT Sat Sep 26 2020

...A Red Flag Warning is in effect from 11 AM until 8 PM MDT today 
for gusty winds, low humidity, high Haines indices and dry fuels 
for fire weather zones 220, 221, 222, 224, 226, 227 and 228 which
includes Lake, Chaffee, Fremont, Teller, El Paso and Pueblo 
Counties and also the San Luis Valley...

COZ224-226>228-270200-
/O.EXA.KPUB.FW.W.0052.200926T1700Z-200927T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
356 AM MDT Sat Sep 26 2020

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT
THIS EVENING FOR FIRE WEATHER ZONES 224...226...227 AND 228...

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 11 AM this morning to 8 PM MDT this 
evening.

* Affected Area...Fire Weather Zones 224...226...227 and 228.

* Winds...West 15 to 25 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.

&&

$$

COZ220>222-270200-
/O.CON.KPUB.FW.W.0052.200926T1700Z-200927T0200Z/
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-
356 AM MDT Sat Sep 26 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR FIRE WEATHER ZONES 220...221 AND 222...

* Affected Area...Fire Weather Zones 220...221 and 222.

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

&&

$$
183 
WWUS85 KPUB 261615
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
1015 AM MDT Sat Sep 26 2020

...A Red Flag Warning is in effect through 8 PM MDT today for 
gusty winds, low humidity, high Haines indices and dry fuels for 
fire weather zones 220, 221, 222, 224, 225, 226, 227, 228, 229,
and 230 which includes Lake, Chaffee, Fremont, Teller, El Paso 
and Pueblo Counties, the San Luis Valley, Sangre De Cristo
and Wet mountains and Wet mountain Valley, eastern Huerfano and
western Las Animas counties...

COZ225-229-230-270200-
/O.EXB.KPUB.FW.W.0052.200926T1615Z-200927T0200Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
1015 AM MDT Sat Sep 26 2020

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR 
FIRE WEATHER ZONES 225...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 until 8 PM MDT this evening.

* Affected Area...Fire Weather Zones 225...229 and 230.

* Winds...West 15 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.

&&

$$

COZ220>222-224-226>228-270200-
/O.EXT.KPUB.FW.W.0052.200926T1615Z-200927T0200Z/
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-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
1015 AM MDT Sat Sep 26 2020

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR
FIRE WEATHER ZONES 220...221...222... 224...226...227 AND 228...

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

* Winds...West 20 to 30 mph with gusts up to 35 to 45 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.

&&

$$
156 
WWUS85 KPUB 262124
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
324 PM MDT Sat Sep 26 2020

...A Red Flag Warning is in effect through 8 PM MDT today for
gusty winds, low humidity, high Haines indices and dry fuels for
fire weather zones 220, 221, 222, 224, 225, 226, 227, 228, 229,
and 230 which includes Lake, Chaffee, Fremont, Teller, El Paso
and Pueblo Counties, the San Luis Valley, Sangre De Cristo and
Wet mountains and Wet mountain Valley, eastern Huerfano and
western Las Animas counties...

COZ220>222-224>230-270200-
/O.CON.KPUB.FW.W.0052.000000T0000Z-200927T0200Z/
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-
Western Las Animas County Including Trinidad and Thatcher-
324 PM MDT Sat Sep 26 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220...221...222...224...225...226...227...
228...229 AND 230...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229 and 230.

* Winds...West 15 to 25 mph with gusts up to 35 to 45 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.

&&

$$
450 
WWUS85 KPUB 270202
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
802 PM MDT Sat Sep 26 2020

COZ220>222-224>230-270315-
/O.EXP.KPUB.FW.W.0052.000000T0000Z-200927T0200Z/
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-
Western Las Animas County Including Trinidad and Thatcher-
802 PM MDT Sat Sep 26 2020

...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 
220...221...222...224...225...226...227... 228...229 AND 230...

Critical fire weather conditions have dissipated across the
region, therefore the Red Flag Warning has been cancelled.

$$

Nearby

Red Flag Warnings in Colorado, 2020Every red flag warning in 2020

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.