571  
FNUS75 KSLC 121702  
FWSSLC  
 
SPOT FORECAST FOR TURPIN RX...UTAH FFSL  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1102 AM MDT TUE MAY 12 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON MAY 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
ON WEDNESDAY, TEMPERATURES WILL REMAIN NEAR RECORD HIGHS AGAIN  
WITH LOW HUMIDITY AND BREEZY WIND CONDITIONS.  
 
A PRIMARY THREAT TO THE BURN SITE ON WEDNESDAY WILL ISOLATED DRY  
THUNDERSTORMS WITH THE MAIN HAZARDS BEING LIGHTNING AND ABOUT A 5%  
CHANCE OF ERRATIC WIND GUSTS IN EXCESS OF 60 MPH WITHIN 25 MILES  
OF THE FIRE, DUE A DRY MICROBURST THREAT WITH ANY STORM THAT FORM.  
THE HIGHEST CHANCE OF IMPACTS FROM A THUNDERSTORM WILL BE BETWEEN  
2PM AND 6PM. THE CHANCE OF A WETTING RAIN FROM ANY STORMS THAT  
DEVELOP WILL BE NEAR 0%.  
 
A STRONG COLD FRONT PASSAGE WILL THEN FOLLOW WEDNESDAY EVENING  
WITH THE GUSTY SOUTHWESTERLY WINDS TO AROUND 25-30 MPH FROM THE  
SOUTHWEST SHIFTING TO AROUND TO THE NORTHWEST. BEHIND THE COLD  
FRONT WEDNESDAY EVENING THERE IS ABOUT A 40% CHANCE OF WIND GUSTS  
OF 40 MPH OR HIGHER FOR A 1 TO 2 HOUR PERIOD BEHIND THE COLD  
FRONT, STARTING AROUND 9-10 PM.  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.14 PERCENT.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........19-21 PERCENT.  
WIND (20 FT)........SOUTH WINDS 11-16 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......8700 FT AGL (50-60TH PERCENTILE).  
TRANSPORT WINDS.....SOUTH 17 TO 22 MPH.  
CLEARING INDEX......1000+.  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MIN TEMPERATURE.....51-53.  
MAX HUMIDITY........45-47 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 14-16 MPH BECOMING NORTHWEST  
8-15 MPH WITH GUSTS TO AROUND 22 MPH IN THE  
LATE EVENING AND OVERNIGHT.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH BECOMING NORTH AROUND 14  
MPH OVERNIGHT.  
 
 
FORECASTER...CHURCH  
REQUESTED BY...TERRY MICHAELIS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613360.1/SLC  
.DELDT 05/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DUSTINRICHARDS@UTAH.GOV,TMICHAELIS@UTAH.GOV  
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