Alert archive / Wyoming / Red Flag Warnings in 2021
Red Flag Warning 13, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Jul 8, 2021, 2:40 AM MDT. It took effect at Jul 9, 2021, 11:00 AM MDT. It was in force for 9 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
- Jul 8, 2021, 2:40 AM MDT (08:40 UTC)
- In effect from
- Jul 9, 2021, 11:00 AM MDT
- Expired
- Jul 9, 2021, 8:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted.
498 WWUS85 KCYS 080840 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 240 AM MDT Thu Jul 8 2021 ...RED FLAG WARNING FOR THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FWZ 301...302...304...305...307...308 AND 309... ...RED FLAG WARNING FOR FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FWZ 304...305...307... AND 308... WYZ305-307-308-090000- /O.UPG.KCYS.FW.A.0010.210709T1700Z-210710T0200Z/ /O.NEW.KCYS.FW.W.0013.210709T1700Z-210710T0200Z/ /O.CON.KCYS.FW.W.0012.210708T1700Z-210709T0200Z/ Sierra Madre Range/Medicine Bow NF-Snowy Range/Medicine Bow NF- Laramie Valley/Shirley Basin- 240 AM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302, 305, 307, AND 308... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 305, 307, AND 308... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * WIND...West to southwest winds of 20 to 25 mph sustained with gusts to 36 mph. * HUMIDITY...12 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. && $$ WYZ304-090000- /O.NEW.KCYS.FW.W.0013.210709T1700Z-210710T0200Z/ /O.CON.KCYS.FW.W.0012.210708T1700Z-210709T0200Z/ Southwest Carbon County- 240 AM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 304... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 304... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Friday. The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM to 8 PM MDT Thursday. Fire Weather Watch is in effect for gusty winds and low humidity Friday. * AFFECTED AREA...Fire weather zones 304. * WIND...West to southwest winds of 20 to 25 mph sustained with gusts to 36 mph. * HUMIDITY...12 to 15 percent. * HAINES...5 to 6. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions may develop. Listen for later forecasts and possible Red Flag Warnings. && $$ WYZ301-302-309-090000- /O.CON.KCYS.FW.W.0012.210708T1700Z-210709T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- South Laramie Range/Medicine Bow NF- 240 AM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302, AND 309... * AFFECTED AREA...Fire weather zones 301...302 and 309. * WIND...West to southwest winds of 20 to 25 mph sustained with gusts to 35 mph. * HUMIDITY...12 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. && $$
4 follow-up statements
148 WWUS85 KCYS 082132 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 332 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING THIS AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING... ...RED FLAG WARNING REMAINS IN EFFECT FRIDAY FOR SOUTH CENTRAL WYOMING... WYZ304-305-307-308-090545- /O.CON.KCYS.FW.W.0012.000000T0000Z-210709T0200Z/ /O.CON.KCYS.FW.W.0013.210709T1700Z-210710T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin- 332 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY... * AFFECTED AREA...Fire weather zones 304...305...307...and 308. * WIND...West to southwest winds of 20 to 25 mph sustained with gusts to 35 mph. * HUMIDITY...12 to 15 percent. * HAINES...5 to 6. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ301-302-309-090200- /O.CON.KCYS.FW.W.0012.000000T0000Z-210709T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- South Laramie Range/Medicine Bow NF- 332 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301, 302, AND 309... * WIND...West to southwest winds of 20 to 25 mph sustained with gusts to 35 mph. * HUMIDITY...12 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. && $$
824 WWUS85 KCYS 090139 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 739 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT FRIDAY FOR SOUTH CENTRAL WYOMING... WYZ304-305-307-308-090945- /O.EXP.KCYS.FW.W.0012.000000T0000Z-210709T0200Z/ /O.CON.KCYS.FW.W.0013.210709T1700Z-210710T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin- 739 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... Gusty winds have decreased over the last hour over southeast Wyoming. Therefore, will allow the Red Flag Warning for this afternoon to expire on time. The Red Flag Warning for Friday remains in effect beginning at 1100 AM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ301-302-309-090245- /O.EXP.KCYS.FW.W.0012.000000T0000Z-210709T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- South Laramie Range/Medicine Bow NF- 739 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Gusty winds have decreased over the last hour over southeast Wyoming. Therefore, will allow the Red Flag Warning to expire on time. $$ TT
945 WWUS85 KCYS 090905 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 305 AM MDT Fri Jul 9 2021 ...RED FLAG WARNING REMAINS IN EFFECT FRIDAY FOR SOUTH CENTRAL WYOMING FROM 11 AM THIS MORNING TO 8 PM THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... WYZ304-305-307-308-100200- /O.CON.KCYS.FW.W.0013.210709T1700Z-210710T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin- 305 AM MDT Fri Jul 9 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 304, 305, 307, AND 308... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
975 WWUS85 KCYS 100138 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 738 PM MDT Fri Jul 9 2021 WYZ304-305-307-308-100245- /O.EXP.KCYS.FW.W.0013.000000T0000Z-210710T0200Z/ Southwest Carbon County-Sierra Madre Range/Medicine Bow NF- Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin- 738 PM MDT Fri Jul 9 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 304, 305, 307, AND 308... Winds will continue to decrease this evening, so the Red Flag Warning will be allowed to expire at 8 PM. $$ Rubin
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.