Alert archive / Colorado / Red Flag Warnings in 2020

Red Flag Warning 64, NWS Pueblo, CO

October 19, 2020Chaffee County, Fremont County, Lake County, Colorado

NWS Pueblo, CO issued this red flag warning at Oct 19, 2020, 4:19 AM MDT for Chaffee County, Fremont County, Lake County, Colorado. It took effect at Oct 19, 2020, 11:00 AM MDT. It was in force for 8 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 19, 2020, 4:19 AM MDT (10:19 UTC)
In effect from
Oct 19, 2020, 11:00 AM MDT
Expired
Oct 19, 2020, 7:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Chaffee County, CO, Fremont County, CO, Lake County, CO

The radar

The Pueblo radar (KPUX), 162 km from the middle of the area, began a volume at 10:19 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

Grand Junction, CO (KGJT), launched 00:00Z, 10.3 hours before the alert went out and 220 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, Grand Junction, CO at 00:00Z on 2020-10-19Temperature 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, Grand Junction, CO at 00:00Z on 2020-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
3590 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

875 
WWUS85 KPUB 191019
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
419 AM MDT Mon Oct 19 2020

...A Red Flag Warning is in effect from 11 AM this morning until 
7 PM this evening for dry fuels, gusty winds and low relative 
humidity, for Fire Weather Zones 220 and 222, which includes all 
of Chaffee, Lake and Fremont Counties...

COZ220-222-200100-
/O.NEW.KPUB.FW.W.0064.201019T1700Z-201020T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
419 AM MDT Mon Oct 19 2020

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MDT
THIS EVENING FOR FIRE WEATHER ZONES 220 AND 222...

The National Weather Service in Pueblo has issued a Red Flag
Warning for dry fuels, gusty winds and low relative humidity, 
which is in effect from 11 AM this morning to 7 PM MDT this 
evening.

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

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

&&

$$
3 follow-up statements
186 
WWUS85 KPUB 191825
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
1225 PM MDT Mon Oct 19 2020

...A Red Flag Warning remains in effect until 7 PM this evening 
for dry fuels, gusty winds and low relative humidity, for Fire 
Weather Zones 220 and 222, which includes all of Chaffee, Lake and
Fremont Counties...

COZ220-222-200100-
/O.CON.KPUB.FW.W.0064.000000T0000Z-201020T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
1225 PM MDT Mon Oct 19 2020

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

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

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

&&

$$
082 
WWUS85 KPUB 192104
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
304 PM MDT Mon Oct 19 2020

...A Red Flag Warning remains in effect until 7 PM this evening
for dry fuels, gusty winds and low relative humidity, for Fire
Weather Zones 220 and 222, which includes all of Chaffee, Lake
and Fremont Counties...

COZ220-222-200100-
/O.CON.KPUB.FW.W.0064.000000T0000Z-201020T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
304 PM MDT Mon Oct 19 2020

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

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

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

&&

$$
806 
WWUS85 KPUB 200105
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
705 PM MDT Mon Oct 19 2020


COZ220-222-200215-
/O.EXP.KPUB.FW.W.0064.000000T0000Z-201020T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-Fremont County Including Canon City/Howard/Texas Creek-
705 PM MDT Mon Oct 19 2020

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

Critical fire weather conditions no longer exist over the region,
therefore the Red Flag Warning has been allowed to expire.

$$

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.