Alert archive / Nebraska / Red Flag Warnings in 2021

Red Flag Warning 31, NWS Cheyenne, WY

September 11, 2021

NWS Cheyenne, WY issued this red flag warning at Sep 11, 2021, 4:03 AM CDT. It took effect at Sep 11, 2021, 12:00 PM CDT. 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
Sep 11, 2021, 4:03 AM CDT (09:03 UTC)
In effect from
Sep 11, 2021, 12:00 PM CDT
Expired
Sep 11, 2021, 8:00 PM CDT
In force
8 hr
Issued by
NWS Cheyenne, WY

The text

As transmitted.

024 
WWUS85 KCYS 110903
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
303 AM MDT Sat Sep 11 2021

...RED FLAG WARNING FOR FWZ ZONE 313 IN THE SOUTHERN NEBRASKA 
PANHANDLE FROM 11AM TO 7PM SATURDAY...

NEZ313-120100-
/O.UPG.KCYS.FW.A.0029.210911T1700Z-210912T0100Z/
/O.NEW.KCYS.FW.W.0031.210911T1700Z-210912T0100Z/
Scotts Bluff National Monument/Wildcat Hills-
303 AM MDT Sat Sep 11 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 7 PM MDT
this evening. 

* WIND...Northwest winds at 15 to 25 mph with gusts to 30 mph.

* HUMIDITY...15 to 20 percent

* HAINES...5

* THUNDERSTORMS...A few thunderstorms could develop after 5 pm.

* 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.

&&

$$

WM
2 follow-up statements
126 
WWUS85 KCYS 111908
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
108 PM MDT Sat Sep 11 2021

...RED FLAG WARNING FOR FWZ 310 AND 313 UNTIL 7 PM MDT THIS
EVENING... 

WYZ310-120100-
/O.EXA.KCYS.FW.W.0031.000000T0000Z-210912T0100Z/
Platte/Goshen/Central and Eastern Laramie-
108 PM MDT Sat Sep 11 2021

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 
310...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect until 7 PM MDT this evening. 

* WIND...Northwest winds 20 to 25 MPH with gusts to 40 mph.

* HUMIDITY...As low as 10 percent. 

* HAINES...5. 

* THUNDERSTORMS...A few thunderstorms could develop after 2 pm.

* 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.

&&

$$

NEZ313-120100-
/O.CON.KCYS.FW.W.0031.000000T0000Z-210912T0100Z/
Scotts Bluff National Monument/Wildcat Hills-
108 PM MDT Sat Sep 11 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 
313...

* WIND...Northwest winds at 15 to 25 mph with gusts to 30 mph.

* HUMIDITY...As low as 10 percent. 

* HAINES...5. 

* THUNDERSTORMS...A few thunderstorms could develop after 5 pm.

* 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.

&&

$$

CLH
614 
WWUS85 KCYS 120042
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
642 PM MDT Sat Sep 11 2021

NEZ313-WYZ310-120145-
/O.EXP.KCYS.FW.W.0031.000000T0000Z-210912T0100Z/
Scotts Bluff National Monument/Wildcat Hills-
Platte/Goshen/Central and Eastern Laramie-
642 PM MDT Sat Sep 11 2021

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 310 AND 313...

Critical fire weather conditions are no longer affecting the area.
Should continue to see good humidity recoveries of 70 to 80 
percent overnight along with a few areas of wetting rains in 
Kimball and Cheyenne counties. 

$$

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 5:32 PM CDTSpecial Weather StatementCYSSioux43 min
Sep 11, 5:22 PM CDTSpecial Weather StatementCYSAlbany38 min
Sep 11, 6:04 PM CDTSpecial Weather StatementCYSCarbon41 min
Sep 11, 6:51 PM CDTSpecial Weather StatementCYSCarbon54 min

Nearby

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