647  
WWUS85 KSLC 151406  
RFWSLC  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
806 AM MDT SUN SEP 15 2019  
 
UTZ478-492-495-160000-  
/O.CON.KSLC.FW.A.0010.190916T0200Z-190917T1000Z/  
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-  
COLOR COUNTRY WEST DESERT-  
806 AM MDT SUN SEP 15 2019  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 8 PM MDT THIS  
EVENING THROUGH LATE MONDAY NIGHT FOR WIND AND LOW RELATIVE  
HUMIDITY FOR FIRE WEATHER ZONES 478...492 AND 495...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE  
WEATHER ZONE 492 CENTRAL UTAH WEST DESERT AND FIRE WEATHER  
ZONE 495 COLOR COUNTRY WEST DESERT.  
 
* WINDS...INCREASINGLY GUSTY THIS EVENING AND TONIGHT FROM THE  
SOUTH GUSTING 30 TO 40 MPH. WINDS PEAK MONDAY WITH GUSTS OF 35  
TO 55 MPH, BEFORE GRADUALLY DECREASING AFTER A WIND SWITCH TO  
THE NORTHWEST MONDAY NIGHT WITH GUSTS OF 25 TO 45 MPH.  
 
* RELATIVE HUMIDITY...POOR RH RECOVERY TONIGHT AFTER REACHING  
SINGLE DIGITS TODAY. RH DROPS TO BETWEEN 8-15% MONDAY, RISING  
MONDAY NIGHT WITH THE FRONTAL PASSAGE.  
 
* IMPACTS...THE COMBINATION OF LOW HUMIDITY AND VERY STRONG WINDS  
IS FORECAST. THESE CONDITIONS MAY LEAD TO RAPID SPREAD OF FIRES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FIRE WEATHER WATCH MEANS THAT THERE IS A POTENTIAL FOR CRITICAL  
FIRE WEATHER CONDITIONS. CONTINUE TO MONITOR FOR THE LATEST  
FORECASTS AND FOR POSSIBLE RED FLAG WARNINGS.  
 

 
 

 
 
UTZ494-497-498-160000-  
/O.CON.KSLC.FW.A.0010.190916T1600Z-190917T1000Z/  
HENRY MOUNTAINS-MOJAVE DESERT-GRAND STAIRCASE-  
806 AM MDT SUN SEP 15 2019  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING  
THROUGH LATE MONDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR  
FIRE WEATHER ZONES 494...497 AND 498...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 494 HENRY MOUNTAINS...FIRE  
WEATHER ZONE 497 MOJAVE DESERT AND FIRE WEATHER ZONE 498 GRAND  
STAIRCASE.  
 
* WINDS...SOUTHWEST WINDS INCREASING MONDAY MORNING, PEAKING  
MONDAY AFTERNOON AND EARLY EVENING WITH GUSTS UP TO 35 MPH.  
 
* RELATIVE HUMIDITY...FALLING TO 12-15% MONDAY.  
 
* IMPACTS...THE COMBINATION OF LOW HUMIDITY AND STRONG WINDS IS  
FORECAST. THESE CONDITIONS MAY LEAD TO RAPID SPREAD OF FIRES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FIRE WEATHER WATCH MEANS THAT THERE IS A POTENTIAL FOR CRITICAL  
FIRE WEATHER CONDITIONS. CONTINUE TO MONITOR FOR THE LATEST  
FORECASTS AND FOR POSSIBLE RED FLAG WARNINGS.  
 

 
 

 
 
UTZ482-489-160000-  
/O.CON.KSLC.FW.A.0010.190916T1600Z-190917T0600Z/  
WESTERN UINTAH BASIN-SAN RAFAEL SWELL-  
806 AM MDT SUN SEP 15 2019  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING  
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR  
FIRE WEATHER ZONES 482 AND 489...  
 
* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN AND  
FIRE WEATHER ZONE 489 SAN RAFAEL SWELL.  
 
* LIGHTNING...DRY THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON AND  
EVENING. VALLEY LOCATIONS WILL LIKELY NOT SEE WETTING RAINS  
DURING THIS PERIOD.  
 
* WINDS...OUTSIDE OF SHOWERS, WIND GUSTS UP TO 25 MPH ARE  
EXPECTED. NEAR SHOWERS AND THUNDERSTORMS, WINDS WILL BE STRONG  
AND ERRATIC WITH GUSTS EXCEEDING 40 MPH POSSIBLE.  
 
* IMPACTS...THE COMBINATION OF DRY THUNDERSTORMS AND STRONG WINDS  
IS FORECAST. THESE CONDITIONS MAY LEAD TO NEW FIRE STARTS AND  
RAPID SPREAD OF FIRES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FIRE WEATHER WATCH MEANS THAT THERE IS A POTENTIAL FOR CRITICAL  
FIRE WEATHER CONDITIONS. CONTINUE TO MONITOR FOR THE LATEST  
FORECASTS AND FOR POSSIBLE RED FLAG WARNINGS.  
 

 
 

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