816  
WWUS85 KCYS 220835  
RFWCYS  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHEYENNE WY  
235 AM MDT THU AUG 22 2019  
 
...LOW HUMIDITY AND GUSTY WESTERLY WINDS WILL BRING CRITICAL FIRE  
WEATHER CONDITIONS TO CARBON COUNTY TODAY AND SATURDAY...  
 
WYZ303>305-230200-  
/O.CON.KCYS.FW.W.0012.190822T1700Z-190823T0200Z/  
/O.CON.KCYS.FW.A.0013.190824T1700Z-190825T0200Z/  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE/MEDICINE BOW NF-  
235 AM MDT THU AUG 22 2019  
 
...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 303, 304, AND 305...  
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE SATURDAY MORNING  
THROUGH EARLY SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY  
FOR FIRE WEATHER ZONES 303, 304, AND 305...  
 
A RED FLAG WARNING IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT  
THIS EVENING. A FIRE WEATHER WATCH IS IN EFFECT FROM LATE SATURDAY  
MORNING THROUGH EARLY SATURDAY EVENING.  
 
* AFFECTED AREA...FIRE WEATHER ZONES 303, 304 AND 305.  
 
* WIND...WEST TO SOUTHWEST WINDS SUSTAINED 15 TO 20 MPH WITH GUSTS  
25 TO 30 MPH THIS AFTERNOON. WEST WINDS 15 TO 20 MPH WITH GUSTS  
25 TO 30 MPH SATURDAY AFTERNOON.  
 
* HUMIDITY...10 TO 15 PERCENT IN THE AFTERNOON.  
 
* HAINES...6 IN THE AFTERNOON AND EVENING.  
 
* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
MAY DEVELOP. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG  
WARNINGS.  
 

 
 

 
 
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