926  
FNUS75 KSLC 221734  
FWSSLC  
 
SPOT FORECAST FOR GRANTSVILLE BURN PERMITS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1134 AM MDT MON OCT 22 2018  
   
DISCUSSION
 
 
AN AREA OF SHOWERS AND ISOLATED THUNDER ASSOCIATED WITH A LOW  
PRESSURE SYSTEM WILL MOVE ACROSS THE FIRE SITE MAINLY BETWEEN 4PM  
AND 7PM THIS EVENING. GUSTY AND ERRATIC WINDS ARE LIKELY WITH  
THESE SHOWERS THIS EVENING. OTHERWISE, SOUTHERLY DRAINAGE WINDS  
WILL PERSIST THROUGH EARLY AFTERNOON BEFORE BECOMING LIGHTER OUT  
OF THE NORTH THIS AFTERNOON. SOUTHERLY WINDS WILL REDEVELOP  
OVERNIGHT TONIGHT BEFORE SWITCHING BACK TO THE NORTHWEST ON  
TUESDAY. THE CLEARING INDEX WILL REMAIN FAIR TODAY AND LIKELY  
THROUGH THE REMAINDER OF THE WEEK GIVEN VERY LIGHT TRANSPORT WINDS  
OVER THE FIRE SITE.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY EARLY BECOMING MOSTLY CLOUDY  
THIS AFTERNOON (70-80 PERCENT CLOUD COVER).  
SCATTERED RAIN SHOWERS DEVELOPING THIS  
AFTERNOON, BECOMING NUMEROUS LATE THIS  
AFTERNOON WITH ISOLATED THUNDER.  
MAX TEMPERATURE.....66-68.  
MIN HUMIDITY........35-40%.  
WIND (20 FT)........SOUTH WINDS 12-16 MPH BECOMING NORTH  
5-7 MPH LATE IN THE AFTERNOON.  
CLEARING INDEX......320.  
HAINES INDEX........3 ..VERY LOW.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER).  
NUMEROUS RAIN SHOWERS EARLY IN THE EVENING  
WITH ISOLATED THUNDER. RAIN SHOWERS ENDING  
OVERNIGHT.  
MIN TEMPERATURE.....44-46.  
MAX HUMIDITY........93-95%.  
WIND (20 FT)........NORTH WINDS 4-6 MPH IN THE EARLY EVENING  
BECOMING SOUTH 5-10 MPH IN THE LATE EVENING  
AND OVERNIGHT.  
HAINES INDEX........2 ..VERY LOW.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY SUNNY (40-50 PERCENT CLOUD  
COVER). MAINLY DRY WITH A SLIGHT CHANCE OF A  
SHOWER OR THUNDERSTORM.  
MAX TEMPERATURE.....65-67.  
MIN HUMIDITY........42-45%.  
WIND (20 FT)........SOUTH WINDS 12-16 MPH BECOMING NORTHWEST 4-6 MPH  
LATE IN THE AFTERNOON.  
CLEARING INDEX......350.  
HAINES INDEX........2 ..VERY LOW.  
 

 
FORECASTER...CHURCH  
REQUESTED BY...DAN WALTON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1817230.0/SLC  
 
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