Alert archive / Nebraska / Red Flag Warnings in 2021

Red Flag Warning 6, NWS Cheyenne, WY

April 25, 2021

NWS Cheyenne, WY issued this red flag warning at Apr 25, 2021, 2:42 PM CDT. It took effect at Apr 26, 2021, 12:00 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
Apr 25, 2021, 2:42 PM CDT (19:42 UTC)
In effect from
Apr 26, 2021, 12:00 PM CDT
Expired
Apr 26, 2021, 5:30 PM CDT
In force
6 hr
Issued by
NWS Cheyenne, WY

The text

As transmitted.

310 
WWUS85 KCYS 251942
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
142 PM MDT Sun Apr 25 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY MORNING THROUGH 
7 PM MONDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 311, 312, AND 313...

NEZ311>313-261200-
/O.UPG.KCYS.FW.A.0003.210426T1700Z-210427T0100Z/
/O.NEW.KCYS.FW.W.0006.210426T1700Z-210427T0100Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
Scotts Bluff National Monument/Wildcat Hills-
142 PM MDT Sun Apr 25 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT MONDAY FOR
GUSTY WEST WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 311, 
312, AND 313...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM to 7 PM MDT Monday. The
Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...Fire weather zones 311, 312 and 313.

* WIND...West 15 to 20 mph with gusts to 30 mph.

* HUMIDITY...10 to 15 percent.

* HAINES...5.

* 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.

&&

$$
3 follow-up statements
541 
WWUS85 KCYS 260843
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
243 AM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING 
TO 7 PM THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 311, 312, AND 313...

NEZ311>313-270100-
/O.CON.KCYS.FW.W.0006.210426T1700Z-210427T0100Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
Scotts Bluff National Monument/Wildcat Hills-
243 AM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 311, 312, AND 313...

* AFFECTED AREA...Fire weather zones 311, 312 and 313.

* WIND...West 15 to 20 mph with gusts to 30 mph.

* HUMIDITY...10 to 15 percent.

* HAINES...5.

* 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 
gusty winds, low relative humidity, and warm temperatures can 
contribute to extreme fire behavior.

&&

$$
759 
WWUS85 KCYS 262016
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
216 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT THROUGH 7 PM THIS EVENING 
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 311, 312, 
AND 313...

NEZ311>313-270100-
/O.CON.KCYS.FW.W.0006.000000T0000Z-210427T0100Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
Scotts Bluff National Monument/Wildcat Hills-
216 PM MDT Mon Apr 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 311, 312,
AND 313...

* AFFECTED AREA...Fire weather zones 311, 312 and 313.

* WIND...West 15 to 20 mph with gusts to 30 mph.

* HUMIDITY...10 to 15 percent.

* HAINES...5.

* 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 gusty
winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$
790 
WWUS85 KCYS 262230
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
430 PM MDT Mon Apr 26 2021

NEZ311>313-262330-
/O.CAN.KCYS.FW.W.0006.000000T0000Z-210427T0100Z/
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
Box Butte/South Sioux-
Scotts Bluff National Monument/Wildcat Hills-
430 PM MDT Mon Apr 26 2021

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 311, 312, AND 313...

The National Weather Service in Cheyenne has cancelled the Red
Flag Warning. Although gusty winds did not develop across the 
area, relative humidities will remain near 10 to 15 percent for a
few hours this evening before increase around sunset.  


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 3:07 AM CDTFire Weather WatchCYS12 hr

Nearby

Red Flag Warnings in Nebraska, 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.