Alert archive / Wyoming / Red Flag Warnings in 2021
Red Flag Warning 23, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Aug 26, 2021, 1:27 PM MDT. It took effect at Aug 27, 2021, 12:00 PM MDT. 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
- Aug 26, 2021, 1:27 PM MDT (19:27 UTC)
- In effect from
- Aug 27, 2021, 12:00 PM MDT
- Expired
- Aug 27, 2021, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted.
913 WWUS85 KCYS 261927 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 127 PM MDT Thu Aug 26 2021 ...RED FLAG WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 301, 302, 303, AND 304... WYZ301-302-270330- /O.UPG.KCYS.FW.A.0023.210827T1800Z-210828T0200Z/ /O.NEW.KCYS.FW.W.0023.210827T1800Z-210828T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- 127 PM MDT Thu Aug 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 301 AND 302... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zone 301 and fire weather zone 302. * WIND...West winds 15 to 25 MPH with gusts to 35 MPH * HUMIDITY...10 to 15 percent * HAINES...5 to 6 * 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. && $$ WYZ303-304-270330- /O.NEW.KCYS.FW.W.0023.210827T1800Z-210828T0200Z/ Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains- Southwest Carbon County- 127 PM MDT Thu Aug 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 303 AND 304... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 8 PM MDT Friday. * AFFECTED AREA...Fire weather zone 303 and fire weather zone 304. * WIND...West winds 15 to 25 MPH with gusts to 35 MPH * HUMIDITY...10 to 15 percent * HAINES...5 to 6 * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
2 follow-up statements
533 WWUS85 KCYS 270800 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 200 AM MDT Fri Aug 27 2021 ...RED FLAG WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 301, 302, 303, AND 304... WYZ301>304-280000- /O.CON.KCYS.FW.W.0023.210827T1800Z-210828T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains- Southwest Carbon County- 200 AM MDT Fri Aug 27 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 303 AND 304... * AFFECTED AREA...Fire weather zone 301 through 304. * WIND...West winds 15 to 25 MPH with gusts to 35 MPH * HUMIDITY...10 to 15 percent * HAINES...5 to 6 * 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. && $$
985 WWUS85 KCYS 280151 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 751 PM MDT Fri Aug 27 2021 WYZ301>304-280300- /O.EXP.KCYS.FW.W.0023.000000T0000Z-210828T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains- Southwest Carbon County- 751 PM MDT Fri Aug 27 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 303 AND 304... Wind speeds will continue to diminish during the remainder of the evening with moderate humidity recoveries overnight. Therefore, the Red Flag Warning will expire at 8pm. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:56 AM MDT | Fire Weather Watch | CYS | 12 hr | |
| Aug 26, 2:39 PM MDT | Special Weather Statement | CYS | Carbon | 36 min |
| Aug 26, 3:26 PM MDT | Special Weather Statement | CYS | Carbon | 34 min |
| Aug 26, 3:39 PM MDT | Special Weather Statement | CYS | Platte | 36 min |
| Aug 26, 4:08 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 37 min |
| Aug 26, 4:23 PM MDT | Special Weather Statement | CYS | Platte | 37 min |
| Aug 26, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 31 min |
| Aug 26, 5:27 PM MDT | Special Weather Statement | CYS | Albany | 33 min |
Nearby
Red 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.