Alert archive / Wyoming / Red Flag Warnings in 2021

Red Flag Warning 42, NWS Cheyenne, WY

November 21, 2021

NWS Cheyenne, WY issued this red flag warning at Nov 21, 2021, 6:01 PM MST. It took effect at Nov 22, 2021, 9:00 AM MST. 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: Nov 21, 2021, 6:01 PM MST (01:01 UTC)
In effect from: Nov 22, 2021, 9:00 AM MST
Expired: Nov 22, 2021, 5:00 PM MST
In force: 8 hr
Issued by: NWS Cheyenne, WY

The text

As transmitted.

487 
WWUS85 KCYS 220101
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
601 PM MST Sun Nov 21 2021

...RED FLAG WARNING FOR FWZ 310 AND SOUTHWESTERN 313 FOR MONDAY
FOR GUSTY WINDS AND LOW HUMIDITY...

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 310, 311, 312, AND 313...

NEZ313-WYZ310-221200-
/O.NEW.KCYS.FW.W.0042.211122T1600Z-211123T0000Z/
/O.CON.KCYS.FW.A.0038.211123T1700Z-211123T2300Z/
Scotts Bluff National Monument/Wildcat Hills-
Platte/Goshen/Central and Eastern Laramie-
601 PM MST Sun Nov 21 2021

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 5 PM MST MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 
313...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH TUESDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR 
FIRE WEATHER ZONES 310 AND 313...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 9 AM to 5 PM MST Monday. 

* AFFECTED AREA...In Nebraska, southwestern fire weather zone 313
  to include Banner and Kimball Counties. In Wyoming, fire 
  weather zone 310.
 
* WIND...West winds 18 to 20 mph with gusts to 30 mph possible.

* HUMIDITY...8 to 13 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

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.

&&

$$

NEZ311-312-221200-
/O.CON.KCYS.FW.A.0038.211123T1700Z-211123T2300Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
601 PM MST Sun Nov 21 2021

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH TUESDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR 
FIRE WEATHER ZONES 311 AND 312...

* AFFECTED AREA...In Nebraska, fire weather zone 311 and 312. 

* WIND...West winds 20 mph with gusts to 35 mph possible.

* HUMIDITY...13 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
may develop. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$

2 follow-up statements

457 
WWUS85 KCYS 222137
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
237 PM MST Mon Nov 22 2021

...RED FLAG WARNING FOR FWZ 310 AND SOUTHWESTERN 313 FOR MONDAY
FOR GUSTY WINDS AND LOW HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM TUESDAY MORNING THROUGH 
TUESDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 310, 311, 312, AND 313...

NEZ313-WYZ310-231100-
/O.UPG.KCYS.FW.A.0038.211123T1700Z-211123T2300Z/
/O.NEW.KCYS.FW.W.0043.211123T1700Z-211123T2300Z/
/O.CON.KCYS.FW.W.0042.000000T0000Z-211123T0000Z/
Scotts Bluff National Monument/Wildcat Hills-
Platte/Goshen/Central and Eastern Laramie-
237 PM MST Mon Nov 22 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
310 AND 313...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM MST TUESDAY FOR
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 313...

The National Weather Service in Cheyenne has issued a Red Flag 
Warning, which is in effect from 9 AM to 5 PM MST today. A new 
Red Flag Warning has replaced the Fire Weather Watch and is in 
effect from 10 AM to 4 PM MST Tuesday. 

* AFFECTED AREA...For today's Red Flag Warning, in Nebraska,
  southwestern fire weather zone 313 to include Banner and Kimball
  Counties. In Wyoming, fire weather zone 310. For Tuesday's Red
  Flag Warning in Nebraska, fire weather zones 311, 312, 313. In 
  Wyoming, fire weather zone 301 and 310.

* WIND...West winds 15 to 25 mph with gusts to 45 mph possible.

* HUMIDITY...8 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$

NEZ311-312-231100-
/O.UPG.KCYS.FW.A.0038.211123T1700Z-211123T2300Z/
/O.NEW.KCYS.FW.W.0043.211123T1700Z-211123T2300Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
237 PM MST Mon Nov 22 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM MST TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 311 AND 
312...

The National Weather Service in Cheyenne has issued a Red Flag 
Warning, which is in effect from 10 AM to 4 PM MST Tuesday. The 
Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...Fire weather zone 311 and 312.

* WIND...West winds 20 mph with gusts to 35 mph possible.

* HUMIDITY...10 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$

WYZ301-231100-
/O.NEW.KCYS.FW.W.0043.211123T1700Z-211123T2300Z/
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
237 PM MST Mon Nov 22 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 4 PM MST TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 301...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 10 AM to 4 PM MST Tuesday. 

* AFFECTED AREA...Fire weather zone 301.

* WIND...West winds 15 to 25 mph with gusts to 35 mph possible.

* HUMIDITY...12 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

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.

&&

$$

075 
WWUS85 KCYS 222354
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
454 PM MST Mon Nov 22 2021

...RED FLAG WARNING FOR FWZ 310 AND SOUTHWESTERN 313 FOR MONDAY
FOR GUSTY WINDS AND LOW HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 310, 311, 312, AND 313...

NEZ313-WYZ310-230800-
/O.EXP.KCYS.FW.W.0042.000000T0000Z-211123T0000Z/
/O.CON.KCYS.FW.W.0043.211123T1700Z-211123T2300Z/
Scotts Bluff National Monument/Wildcat Hills-
Platte/Goshen/Central and Eastern Laramie-
454 PM MST Mon Nov 22 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 4 PM MST
TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
310 AND 313...
...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 313...


The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 9 AM to 5 PM MST today. A new
Red Flag Warning has replaced the Fire Weather Watch and is in
effect from 10 AM to 4 PM MST Tuesday.

* AFFECTED AREA...For today's Red Flag Warning, in Nebraska, 
  southwestern fire weather zone 313 to include Banner and 
  Kimball Counties. In Wyoming, fire weather zone 310. For 
  Tuesday's Red Flag Warning in Nebraska, fire weather zones 
  311, 312, 313. In Wyoming, fire weather zone 301 and 310. 

* WIND...West winds 15 to 25 mph with gusts to 45 mph possible.

* HUMIDITY...8 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.


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.

&&

$$

NEZ311-312-WYZ301-230800-
/O.CON.KCYS.FW.W.0043.211123T1700Z-211123T2300Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
454 PM MST Mon Nov 22 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 4 PM MST
TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
311 AND 312...

* AFFECTED AREA...Fire weather zone 311 and 312.

* WIND...West winds 20 mph with gusts to 35 mph possible.

* HUMIDITY...10 to 15 percent.

* HAINES...5 or Moderate potential for rapid fire growth.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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 Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 22, 3:25 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	38 hr
Nov 22, 6:15 AM MST	High Wind Watch	CYS	Platte	20 hr
Nov 22, 2:37 PM MST	Red Flag Warning	CYS		25 hr

Nearby

Red Flag Warnings in Wyoming, 2021 Red Flag Warnings in Nebraska, 2021 Every 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.