Alert archive / Colorado / Red Flag Warnings in 2020

Red Flag Warning 65, NWS Pueblo, CO

October 20, 20205 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Oct 20, 2020, 3:23 PM MDT for 5 counties in Colorado. It took effect at Oct 21, 2020, 12:00 PM MDT. It was in force for 7 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
Oct 20, 2020, 3:23 PM MDT (21:23 UTC)
In effect from
Oct 21, 2020, 12:00 PM MDT
Expired
Oct 21, 2020, 7:00 PM MDT
In force
7 hr
Issued by
NWS Pueblo, CO

Counties Chaffee County, CO, El Paso County, CO, Fremont County, CO, Lake County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 124 km from the middle of the area, began a volume at 21:22 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, 9.4 hours before the alert went out and 229 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 2020-10-20Temperature 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 2020-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.1939587897Sfc1 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
3503 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

753 
WWUS85 KPUB 202123
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
323 PM MDT Tue Oct 20 2020

...A Red Flag Warning in effect from noon to 7 pm MDT Wednesday
for gusty winds and low relative humidity for fire weather zone
220...

...A Fire Weather Watch in effect from Thursday morning through 
Thursday evening for gusty winds, low humidity values and dry 
fuels for fire weather zones 220...222...224...225... 228 through 
230...233 and 237, which includes the San Luis Valley, the Sangre 
de Cristo and Wet Mountains, Wet Mountain Valley, Lake, Chaffee, 
Fremont, Pueblo, Huerfano, Las Animas and Baca Counties...

COZ220-211330-
/O.NEW.KPUB.FW.W.0065.201021T1800Z-201022T0100Z/
/O.CON.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
323 PM MDT Tue Oct 20 2020

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT WEDNESDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 
220... 

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY 
MORNING THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 220...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in 
effect from noon to 7 PM MDT Wednesday.

* Affected Area...Fire Weather Zone 220.

* Winds...West 20 to 30 mph with gusts up to 50 mph.

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

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

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ222-224-225-228>230-233-237-211330-
/O.CON.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
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-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
323 PM MDT Tue Oct 20 2020

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY 
FOR FIRE WEATHER ZONES 222...224...225...228...229...230...233 AND
237...

* Affected Area...Fire Weather Zones 222...224...225...228... 
  229...230...233 and 237.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
3 follow-up statements
503 
WWUS85 KPUB 211001
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
401 AM MDT Wed Oct 21 2020

...A Red Flag Warning is now in effect from noon to 7 pm MDT 
Wednesday for gusty winds, low relative humidity and dry fuels for
fire weather zones 220...221 and 222 which includes Lake, 
Chaffee, Fremont and Teller Counties...

...A Fire Weather Watch remains in effect from Thursday morning 
through Thursday evening for gusty winds, low humidity values and 
dry fuels for fire weather zones 220...222...224...225... 228 
through 230...233 and 237, which includes the San Luis Valley, the
Sangre de Cristo and Wet Mountains, Wet Mountain Valley, Lake, 
Chaffee, Fremont, Pueblo, Huerfano, Las Animas and Baca 
Counties...

COZ222-220215-
/O.EXA.KPUB.FW.W.0065.201021T1800Z-201022T0100Z/
/O.CON.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
Fremont County Including Canon City/Howard/Texas Creek-
401 AM MDT Wed Oct 21 2020

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR 
FIRE WEATHER ZONE 222...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY
AND DRY FUELS FOR FIRE WEATHER ZONES 222...

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 7 PM MDT this evening.

* Affected Area...Fire Weather Zone 222.

* Winds...West 10 to 20 mph with gusts up to 40 mph.

* Relative Humidity...5 to 10 percent.

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

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ221-220100-
/O.EXA.KPUB.FW.W.0065.201021T1800Z-201022T0100Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
401 AM MDT Wed Oct 21 2020

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR 
FIRE WEATHER ZONE 221...

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 7 PM MDT this evening.

* Affected Area...Fire Weather Zone 221.

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

* Relative Humidity...10 to 15 percent.

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

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.

&&

$$

COZ220-220215-
/O.CON.KPUB.FW.W.0065.201021T1800Z-201022T0100Z/
/O.CON.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
401 AM MDT Wed Oct 21 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 220...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY
AND DRY FUELS FOR FIRE WEATHER ZONE 220...

* Affected Area...Fire Weather Zone 220.

* Winds...West 25 to 35 mph with gusts up to 60 mph.

* Relative Humidity...10 to 15 percent.

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

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

COZ224-225-228>230-233-237-220215-
/O.CON.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
401 AM MDT Wed Oct 21 2020

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY
AND DRY FUELS FOR FIRE WEATHER ZONES 224...225...228...229... 
230...233 AND 237...

* Affected Area...Fire Weather Zones 224...225...228...229... 
  230...233 and 237.

* Winds...West 15 to 20 mph with gusts up to 40 mph.

* Relative Humidity...10 to 15 percent.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
945 
WWUS85 KPUB 212106
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
306 PM MDT Wed Oct 21 2020

...A Red Flag Warning remains in effect until 7 pm MDT this
evening for gusty winds, low relative humidity and dry fuels for 
fire weather zones 220...221 and 222 which includes Lake, Chaffee,
Fremont and Teller Counties...

...A Red Flag Warning has been issued from 10 am MDT to 7 pm MDT 
Thursday for gusty winds, low humidity values and dry fuels for 
fire weather zones 220...222...224...225...228 through 230...233 
and 237, which includes the San Luis Valley, the Sangre de Cristo 
and Wet Mountains, Wet Mountain Valley, Lake, Chaffee, Fremont, 
Pueblo, Huerfano, Las Animas and Baca Counties...

COZ220-222-221315-
/O.UPG.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
/O.NEW.KPUB.FW.W.0066.201022T1600Z-201023T0100Z/
/O.CON.KPUB.FW.W.0065.000000T0000Z-201022T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
306 PM MDT Wed Oct 21 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220 AND 222... 
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM MDT THURSDAY FOR
FIRE WEATHER ZONES 220 AND 222...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low humidity values and dry fuels, which
is in effect from 10 AM to 7 PM MDT Thursday. The Fire Weather 
Watch is no longer in effect.

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

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

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

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

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.

&&

$$

COZ224-225-228>230-233-237-221315-
/O.UPG.KPUB.FW.A.0045.201022T1600Z-201023T0100Z/
/O.NEW.KPUB.FW.W.0066.201022T1600Z-201023T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
306 PM MDT Wed Oct 21 2020

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM MDT THURSDAY FOR
FIRE WEATHER ZONES 224...225...228... 229...230...233 AND 237...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low humidity values and dry fuels, which
is in effect from 10 AM to 7 PM MDT Thursday. The Fire Weather 
Watch is no longer in effect.

* Affected Area...Fire Weather Zones 224...225...228...229... 
  230...233 and 237.

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

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

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

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.

&&

$$

COZ221-220100-
/O.CON.KPUB.FW.W.0065.000000T0000Z-201022T0100Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
306 PM MDT Wed Oct 21 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR FIRE WEATHER ZONE 221...

* Affected Area...Fire Weather Zone 221.

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

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

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

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.

&&

$$
041 
WWUS85 KPUB 220046
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
646 PM MDT Wed Oct 21 2020

...A Red Flag Warning remains in effect from 10 am MDT to 7 pm 
MDT Thursday for gusty winds, low humidity values and dry fuels 
for fire weather zones 220...222...224...225...228 through 230... 
233 and 237, which includes the San Luis Valley, the Sangre de 
Cristo and Wet Mountains, Wet Mountain Valley, Lake, Chaffee, 
Fremont, Pueblo, Huerfano, Las Animas and Baca Counties...

COZ220-222-221700-
/O.EXP.KPUB.FW.W.0065.000000T0000Z-201022T0100Z/
/O.CON.KPUB.FW.W.0066.201022T1600Z-201023T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
646 PM MDT Wed Oct 21 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 7 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220 AND 222...
...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220 AND 222...

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

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

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

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

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.

&&

$$

COZ221-220200-
/O.EXP.KPUB.FW.W.0065.000000T0000Z-201022T0100Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
646 PM MDT Wed Oct 21 2020

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 221...

The Red Flag Warning for Teller County and the Pikes Peak area
will expire at 7 PM.

$$

COZ224-225-228>230-233-237-221700-
/O.CON.KPUB.FW.W.0066.201022T1600Z-201023T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
Baca County Including Springfield and Eastern Comanche Grasslands-
646 PM MDT Wed Oct 21 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 7 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 224...225...228...229...230...233 AND 237...

* Affected Area...Fire Weather Zones 224...225...228...229... 
  230...233 and 237.

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

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

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

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 3:56 AM MDTFire Weather WatchPUBAlamosa, Baca, Chaffee, Conejos, Costilla, Custer and 7 more35 hr

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.