Alert archive / Kansas / Red Flag Warnings in 2021

Red Flag Warning 17, NWS Goodland, KS

October 19, 2021Greeley County, Kansas; Cheyenne County, Colorado

NWS Goodland, KS issued this red flag warning at Oct 19, 2021, 1:34 AM MDT for Greeley County, Kansas; Cheyenne County, Colorado. It took effect at Oct 19, 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
Oct 19, 2021, 1:34 AM MDT (07:34 UTC)
In effect from
Oct 19, 2021, 12:00 PM MDT
Expired
Oct 19, 2021, 6:00 PM MDT
In force
6 hr
Issued by
NWS Goodland, KS

Counties Cheyenne County, CO, Greeley County, KS

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 07:36 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, 7.6 hours before the alert went out and 161 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 2021-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 joules per kilogram.LCLEL10008507005003002001001 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 2021-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
44 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
3634 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

320 
WWUS83 KGLD 190734
RFWGLD

URGENT - FIRE WEATHER MESSAGE
National Weather Service Goodland KS
134 AM MDT Tue Oct 19 2021

COZ254-KSZ041-191545-
/O.UPG.KGLD.FW.A.0013.211019T1800Z-211020T0000Z/
/O.NEW.KGLD.FW.W.0017.211019T1800Z-211020T0000Z/
Cheyenne-Greeley-
134 AM MDT Tue Oct 19 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
041 AND 254...

The National Weather Service in Goodland has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon today to 6 PM MDT this evening. The Fire Weather Watch
is no longer in effect.

* Affected Area...In Colorado...Fire Weather Zone 254 Cheyenne. 
  In Kansas...Fire Weather Zone 041 Greeley.

* Timing...Noon to 6 PM MDT Tuesday.

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

* Relative Humidity...As low as 14 percent.

* Temperatures...In the lower 70s.

* Impacts...Any fires that start will have extreme fire behavior 
  and spread rapidly. Outdoor burning is not advised.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/gld
2 follow-up statements
275 
WWUS83 KGLD 191500
RFWGLD

URGENT - FIRE WEATHER MESSAGE
National Weather Service Goodland KS
900 AM MDT Tue Oct 19 2021


COZ254-KSZ041-200000-
/O.CON.KGLD.FW.W.0017.211019T1800Z-211020T0000Z/
Cheyenne-Greeley-
900 AM MDT Tue Oct 19 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER 
ZONES 041 AND 254...

* Affected Area...In Colorado...Fire Weather Zone 254 Cheyenne. 
  In Kansas...Fire Weather Zone 041 Greeley.

* Timing...Noon to 6 PM MDT Tuesday.

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

* Relative Humidity...As low as 14 percent.

* Temperatures...In the lower to upper 70s.

* Impacts...Any fires that start will have extreme fire behavior 
  and spread rapidly. Outdoor burning is not advised.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/gld
243 
WWUS83 KGLD 200004
RFWGLD

URGENT - FIRE WEATHER MESSAGE
National Weather Service Goodland KS
604 PM MDT Tue Oct 19 2021

COZ254-KSZ041-200115-
/O.EXP.KGLD.FW.W.0017.000000T0000Z-211020T0000Z/
Cheyenne-Greeley-
604 PM MDT Tue Oct 19 2021

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 041 AND 254...

Conditions have improved across the warning area allowing for the
expiration of the Red Flag Warning.

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/gld

Nearby

Red Flag Warnings in Kansas, 2021Red 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.