Alert archive / Wyoming / Red Flag Warnings in 2017
Red Flag Warning 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Apr 14, 2017, 9:13 PM MDT. It took effect at Apr 15, 2017, 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
- Apr 14, 2017, 9:13 PM MDT (03:13 UTC)
- In effect from
- Apr 15, 2017, 12:00 PM MDT
- Expired
- Apr 15, 2017, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted.
353 WWUS85 KCYS 150313 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 913 PM MDT Fri Apr 14 2017 ...RED FLAG WARNING FOR SATURDAY FOR FWZS 306...309 AND 312 THROUGH 313 FOR GUSTY WINDS AND LOW HUMIDITIES... .West to northwest winds are expected to become widespread and gusty Saturday late morning and persist through the afternoon. A very dry airmass will be in place with afternoon humidities falling well below 15 percent for much of southeast Wyoming and most of the Nebraska Panhandle. Critical fire weather conditions are likely Saturday afternoon where the combination of gusty winds...low humidities and receptive fuels will create critical fire weather conditions. NEZ312-313-WYZ306-309-151300- /O.UPG.KCYS.FW.A.0003.170415T1800Z-170416T0100Z/ /O.NEW.KCYS.FW.W.0007.170415T1800Z-170416T0100Z/ Box Butte/South Sioux- Scotts Bluff National Monument/Wildcat Hills- Upper North Platte River Basin- South Laramie Range/Medicine Bow NF- 913 PM MDT Fri Apr 14 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 306, 309, 312, AND 313... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 7 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * WIND...WEST TO NORTHWEST WINDS OF 15 TO 20 MPH SUSTAINED WITH GUSTS TO 35 MPH. * HUMIDITY...AFTERNOON HUMIDITIES FALLING TO 10-13 PERCENT. * 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. && $$
3 follow-up statements
675 WWUS85 KCYS 150904 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 304 AM MDT Sat Apr 15 2017 ...RED FLAG WARNING THIS AFTERNOON FOR PORTIONS OF THE REGION... .West to northwest winds will be breezy to windy late this morning through the afternoon. A very dry airmass will be in place with afternoon humidities falling well below 15 percent for much of southeast Wyoming and the western Nebraska Panhandle. A Red Flag Warning is in effect for those zones where fuels would support rapid fire growth. NEZ312-313-WYZ306-309-152300- /O.CON.KCYS.FW.W.0007.170415T1800Z-170416T0100Z/ Box Butte/South Sioux- Scotts Bluff National Monument/Wildcat Hills- Upper North Platte River Basin- South Laramie Range/Medicine Bow NF- 304 AM MDT Sat Apr 15 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 306, 309, 312, AND 313... * WIND...West to northwest 15 to 25 mph with gusts to 35 mph. * HUMIDITY...Afternoon humidities falling to 12 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
200 WWUS85 KCYS 152037 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 237 PM MDT Sat Apr 15 2017 ...RED FLAG WARNING THIS AFTERNOON FOR PORTIONS OF THE REGION... .West to northwest winds will be breezy to windy through the afternoon. A very dry airmass will be in place with afternoon humidities falling well below 15 percent for much of southeast Wyoming and the western Nebraska Panhandle. A Red Flag Warning is in effect for those zones where fuels would support rapid fire growth. NEZ312-313-WYZ306-309-160100- /O.CON.KCYS.FW.W.0007.000000T0000Z-170416T0100Z/ Box Butte/South Sioux- Scotts Bluff National Monument/Wildcat Hills- Upper North Platte River Basin- South Laramie Range/Medicine Bow NF- 237 PM MDT Sat Apr 15 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 306, 309, 312, AND 313... * WIND...West to northwest 15 to 25 mph with gusts to 35 mph. * HUMIDITY...Afternoon humidities falling to 12 to 15 percent. * 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. && $$
244 WWUS85 KCYS 160037 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 637 PM MDT Sat Apr 15 2017 NEZ312-313-WYZ306-309-160145- /O.EXP.KCYS.FW.W.0007.000000T0000Z-170416T0100Z/ Box Butte/South Sioux- Scotts Bluff National Monument/Wildcat Hills- Upper North Platte River Basin- South Laramie Range/Medicine Bow NF- 637 PM MDT Sat Apr 15 2017 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 306, 309, 312, AND 313... Relative humidities will begin to recover this evening and should rise above 25 percent by 8 PM. With improving conditions, will allow the Red Flag Warning to expire. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 6:31 PM MDT | Special Weather Statement | CYS | Banner | 29 min |
| Apr 14, 6:58 PM MDT | Special Weather Statement | CYS | Kimball | 32 min |
| Apr 14, 7:37 PM MDT | Special Weather Statement | CYS | Morrill | 38 min |
| Apr 14, 8:00 PM MDT | Special Weather Statement | CYS | Cheyenne | 30 min |
| Apr 14, 8:35 PM MDT | Special Weather Statement | CYS | Morrill | 25 min |
| Apr 14, 8:44 PM MDT | Special Weather Statement | CYS | Morrill | 16 min |
Nearby
Red Flag Warnings in Wyoming, 2017Red Flag Warnings in Nebraska, 2017Every red flag warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.