Alert archive / Wyoming / Red Flag Warnings in 2018

Red Flag Warning 3, NWS Cheyenne, WY

April 16, 2018

NWS Cheyenne, WY issued this red flag warning at Apr 16, 2018, 3:43 PM MDT. It was in force for 4 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 16, 2018, 3:43 PM MDT (21:43 UTC)
Expired: Apr 16, 2018, 8:00 PM MDT
In force: 4 hr
Issued by: NWS Cheyenne, WY

The text

As transmitted.

611 
WWUS85 KCYS 162143
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
343 PM MDT Mon Apr 16 2018

...Strong winds and Low Humidity Through Sunset Today FWZ 306...

WYZ306-170200-
/O.NEW.KCYS.FW.W.0003.180416T2143Z-180417T0200Z/
Upper North Platte River Basin-
343 PM MDT Mon Apr 16 2018

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR
STRONG WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONE 306...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect until 8 PM MDT this evening. 

* AFFECTED AREA...Fire weather zone 306.

* WIND...Southwest at 30 to 35 mph sustained with gusts to 55 mph. 

* HUMIDITY...As low as 8 percent this afternoon.

* 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.

&&

$$

1 follow-up statement

302 
WWUS85 KCYS 170148
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
748 PM MDT Mon Apr 16 2018

...RED FLAG WARNING FOR FWZ 306 WILL BE ALLOWED TO EXPIRE ON TIME
AT 8 PM THIS EVENING...

WYZ306-170300-
/O.EXP.KCYS.FW.W.0003.000000T0000Z-180417T0200Z/
Upper North Platte River Basin-
748 PM MDT Mon Apr 16 2018

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 306...

Early evening humidity has slowly climbed back above critical
levels and is expected to continue rising through the overnight
hours. Therefore, the Red Flag Warning will be allowed to expire
on time at 8 PM.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 1:08 PM MDT	High Wind Watch	CYS	Albany, Carbon, Goshen, Laramie, Platte	14 hr

Nearby

Red Flag Warnings in Wyoming, 2018 Every red flag warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.