399  
WWUS85 KSLC 230924  
RFWSLC  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
324 AM MDT SUN SEP 23 2018  
 
UTZ479-232200-  
/O.CON.KSLC.FW.W.0030.000000T0000Z-180924T0200Z/  
WASATCH MOUNTAINS-  
324 AM MDT SUN SEP 23 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING  
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 479...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS.  
 
* WINDS...WEST-SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.  
 
* IMPACTS...ANY FIRES WILL HAVE THE POTENTIAL TO 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 ARE IMMINENT. A COMBINATION OF  
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
UTZ481>484-232200-  
/O.CON.KSLC.FW.W.0030.180923T1800Z-180925T0200Z/  
WESTERN ASHLEY NATIONAL FOREST-WESTERN UINTAH BASIN-  
SOUTHERN ASHLEY NATIONAL FOREST-TAVAPUTS PLATEAU-  
324 AM MDT SUN SEP 23 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT  
MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES  
481...482...483 AND 484...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 481 WESTERN ASHLEY NATIONAL  
FOREST...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN...FIRE  
WEATHER ZONE 483 SOUTHERN ASHLEY NATIONAL FOREST AND FIRE  
WEATHER ZONE 484 TAVAPUTS PLATEAU.  
 
* WINDS...WEST-SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH  
TODAY AND WEST TO NORTHWEST WINDS AT SIMILAR SPEEDS MONDAY.  
 
* RELATIVE HUMIDITY...BETWEEN 12 AND 15 PERCENT.  
 
* IMPACTS...ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO  
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 ARE IMMINENT. A COMBINATION OF  
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
UTZ480-492-232200-  
/O.CON.KSLC.FW.W.0030.180923T1800Z-180924T0200Z/  
UINTA MOUNTAINS-CENTRAL UTAH WEST DESERT-  
324 AM MDT SUN SEP 23 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT  
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER  
ZONES 480 AND 492...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 480 UINTA MOUNTAINS AND FIRE  
WEATHER ZONE 492 CENTRAL UTAH WEST DESERT.  
 
* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.  
 
* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.  
 
* IMPACTS...ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO  
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 ARE IMMINENT. A COMBINATION OF  
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
UTZ489-232200-  
/O.CON.KSLC.FW.W.0030.180924T1800Z-180925T0200Z/  
SAN RAFAEL SWELL-  
324 AM MDT SUN SEP 23 2018  
 
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT  
MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE  
489...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL.  
 
* WINDS...NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH  
MONDAY AFTERNOON AND EVENING.  
 
* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.  
 
* IMPACTS...ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO  
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 ARE IMMINENT. A COMBINATION OF  
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN  
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.  
 

 
 

 
 
FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...  
HTTP://WEATHER.GOV/SALTLAKECITY  
 
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