Red Flag Warning 14, NWS Cheyenne, WY

Issued

Jul 13, 2021, 1:18 AM MDT (07:18 UTC)

In effect from

Jul 13, 2021, 11:00 AM MDT

Expired

Jul 13, 2021, 6:00 PM MDT

In force

7 hr

Issued by

NWS Cheyenne, WY

884 
WWUS85 KCYS 130718
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
118 AM MDT Tue Jul 13 2021

...RED FLAG WARNING FOR DRY LIGHTNING 11 AM THROUGH 6 PM FWZ 
304...305...307 AND 308...

WYZ304-305-307-308-140000-
/O.UPG.KCYS.FW.A.0011.210713T1700Z-210714T0000Z/
/O.NEW.KCYS.FW.W.0014.210713T1700Z-210714T0000Z/
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin-
118 AM MDT Tue Jul 13 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MDT
THIS EVENING FOR DRY LIGHTNING FOR FIRE WEATHER ZONES 304, 305, 
307, AND 308...

The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 6 PM MDT
this evening. The Fire Weather Watch is no longer in effect. 

* WIND...Southwest to west winds of 15 to 20 MPH sustained with 
  gusts up to 25-30 MPH. Stronger gusts expected with downburst 
  winds from thunderstorms. 

* HUMIDITY...13 to 20 percent

* HAINES...5 to 6

* THUNDERSTORMS...Dry thunderstorms possible mainly between 11AM-
  4PM. Chances for wetting rains with thunderstorms increase 
  later in the afternoon to evening.

* 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.

&&

$$

111 
WWUS85 KCYS 131953
RFWCYS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
153 PM MDT Tue Jul 13 2021

...RED FLAG WARNING FOR DRY LIGHTNING THROUGH 6 PM...

WYZ307-308-132100-
/O.CAN.KCYS.FW.W.0014.000000T0000Z-210714T0000Z/
Snowy Range/Medicine Bow NF-Laramie Valley/Shirley Basin-
153 PM MDT Tue Jul 13 2021

...RED FLAG WARNING IS CANCELLED FOR DRY LIGHTNING FOR FIRE
WEATHER ZONES 304, 305, 307, AND 308...

The National Weather Service in Cheyenne has cancelled the Red
Flag Warning. Thunderstorms which developed over the mountains
earlier this afternoon have produced wetting rainfall and hail
over the last hour. Therefore, the Red Flag Warning has been 
cancelled.


$$

WYZ304-305-140000-
/O.CON.KCYS.FW.W.0014.000000T0000Z-210714T0000Z/
Southwest Carbon County-Sierra Madre Range/Medicine Bow NF-
153 PM MDT Tue Jul 13 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR DRY LIGHTNING...

* WIND...Southwest to west winds of 15 to 20 MPH sustained with 
  gusts up to 25-30 MPH. Stronger gusts expected with downburst 
  winds from thunderstorms. 

* HUMIDITY...15 to 25 percent

* HAINES...5 to 6

* THUNDERSTORMS...Dry thunderstorms possible until 400 PM. 
  Chances for wetting rains with thunderstorms increase later in 
  the afternoon to evening.

* 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.

&&

$$

Red Flag Warnings in Wyoming, 2021Every red flag warning in 2021

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