Alert archive / Wyoming / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Jun 19, 2021, 7:49 PM MDT. It took effect at Jun 20, 2021, 12:00 PM MDT. It was in force for 7 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
- Jun 19, 2021, 7:49 PM MDT (01:49 UTC)
- In effect from
- Jun 20, 2021, 12:00 PM MDT
- Expired
- Jun 20, 2021, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted.
313 WWUS85 KCYS 200149 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 749 PM MDT Sat Jun 19 2021 ...RED FLAG WARNING IS IN EFFECT SUNDAY FROM NOON UNTIL 7 PM MDT FOR FIRE WEATHER ZONE 305... WYZ301-302-200300- /O.EXP.KCYS.FW.W.0008.000000T0000Z-210620T0200Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland-North Laramie Range/Medicine Bow NF- 749 PM MDT Sat Jun 19 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 301 AND 302... Winds will diminish and relative humidities rise above 15 percent this evening. $$ WYZ307-200300- /O.CAN.KCYS.FW.A.0006.210620T1600Z-210621T0000Z/ Snowy Range/Medicine Bow NF- 749 PM MDT Sat Jun 19 2021 ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 307... The National Weather Service in Cheyenne has cancelled the Fire Weather Watch. Minimum relative humidities Sunday afternoon will be near 15 percent with wind gusts near 25 mph. $$ WYZ305-201200- /O.UPG.KCYS.FW.A.0006.210620T1600Z-210621T0000Z/ /O.NEW.KCYS.FW.W.0009.210620T1800Z-210621T0100Z/ Sierra Madre Range/Medicine Bow NF- 749 PM MDT Sat Jun 19 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SUNDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 305... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from Noon to 7 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zone 305. * WIND...West to northwest 15 to 20 mph with gusts up to 30 mph. * HUMIDITY...12 to 17 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 gusty winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
3 follow-up statements
486 WWUS85 KCYS 200726 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 126 AM MDT Sun Jun 20 2021 ...RED FLAG WARNING IS IN EFFECT SUNDAY FROM NOON UNTIL 7 PM MDT FOR FIRE WEATHER ZONE 305... WYZ305-210000- /O.CON.KCYS.FW.W.0009.210620T1800Z-210621T0100Z/ Sierra Madre Range/Medicine Bow NF- 126 AM MDT Sun Jun 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 305... * AFFECTED AREA...Fire weather zone 305. * WIND...West to northwest 15 to 20 mph with gusts up to 30 mph. * HUMIDITY...12 to 15 percent. * HAINES...5 TO 6. * IMPACTS..Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of gusty winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
719 WWUS85 KCYS 201937 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 137 PM MDT Sun Jun 20 2021 WYZ305-210100- /O.CON.KCYS.FW.W.0009.000000T0000Z-210621T0100Z/ Sierra Madre Range/Medicine Bow NF- 137 PM MDT Sun Jun 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 305... * AFFECTED AREA...Fire weather zone 305. * WIND...West to northwest 15 to 20 mph with gusts up to 30 mph. * HUMIDITY...14 to 21 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 gusty winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
356 WWUS85 KCYS 210045 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 645 PM MDT Sun Jun 20 2021 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 305... WYZ305-210145- /O.EXP.KCYS.FW.W.0009.000000T0000Z-210621T0100Z/ Sierra Madre Range/Medicine Bow NF- 645 PM MDT Sun Jun 20 2021 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 305... Relative humidities will remain above critical levels and winds will diminish later this evening and overnight following the passage of a cold front. $$
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.