Alert archive / Kansas / Red Flag Warnings in 2021

Red Flag Warning 14, NWS Goodland, KS

August 6, 2021Cheyenne County, Kansas; Dundy County, Nebraska; Yuma County, Colorado

NWS Goodland, KS issued this red flag warning at Aug 6, 2021, 3:59 AM CDT for Cheyenne County, Kansas; Dundy County, Nebraska; Yuma County, Colorado. It took effect at Aug 6, 2021, 1:00 PM CDT. 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
Aug 6, 2021, 3:59 AM CDT (08:59 UTC)
In effect from
Aug 6, 2021, 1:00 PM CDT
Expired
Aug 6, 2021, 7:00 PM CDT
In force
6 hr
Issued by
NWS Goodland, KS

Counties Yuma County, CO, Cheyenne County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 72 km from the middle of the area, began a volume at 08:59 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, 9.0 hours before the alert went out and 110 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 2021-08-06Temperature 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 km15 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 2021-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
3950 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

181 
WWUS83 KGLD 060859
RFWGLD

URGENT - FIRE WEATHER MESSAGE
National Weather Service Goodland KS
259 AM MDT Fri Aug 6 2021

...Critical fire weather conditions possible Friday afternoon...

.Cured fine fuels are present across eastern Colorado, northwest 
Kansas and southwest Nebraska. With relative humidity values dropping
as low as 13-15 percent and wind gusts as high as 30 mph, there is a
good chance critical fire weather conditions will be met for a 
limited time Friday afternoon across Yuma county Colorado, Dundy 
county Nebraska, and Cheyenne county Kansas. Any outdoor activity 
producing sparks or an open flame should be avoided.

COZ253-254-061000-
/O.CAN.KGLD.FW.A.0011.210806T1900Z-210807T0100Z/
Kit Carson-Cheyenne-
259 AM MDT Fri Aug 6 2021

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 253 AND 254...

The National Weather Service in Goodland has cancelled the Fire
Weather Watch.

Elevated to near critical fire weather conditions are still
possible.

$$

COZ252-KSZ001-NEZ079-070100-
/O.UPG.KGLD.FW.A.0011.210806T1900Z-210807T0100Z/
/O.NEW.KGLD.FW.W.0014.210806T1800Z-210807T0000Z/
Yuma-Cheyenne-Dundy-
259 AM MDT Fri Aug 6 2021 /359 AM CDT Fri Aug 6 2021/

...RED FLAG WARNING IN EFFECT FROM NOON MDT /1 PM CDT/ TODAY TO
6 PM MDT /7 PM CDT/ THIS EVENING FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 001...079 AND 252...

The National Weather Service in Goodland has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon MDT /1 PM CDT/ today to 6 PM MDT /7 PM CDT/ this
evening. The Fire Weather Watch is no longer in effect.

* Affected Area...In Colorado...Fire Weather Zone 252 Yuma. In 
  Kansas...Fire Weather Zone 001 Cheyenne. In Nebraska...Fire 
  Weather Zone 079 Dundy.

* Timing...1 PM MDT (2 PM CDT) through 7 PM MDT (8 PM CDT).

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

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

* Temperatures...101 to 103.

* Lightning...Isolated thunderstorms are possible across Yuma 
  and Kit Carson counties after 5 PM MDT.

* 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

Nearby

Red Flag Warnings in Kansas, 2021Red Flag Warnings in Nebraska, 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.