514  
FNUS75 KGJT 202103  
FWSGJT  
 
SPOT FORECAST FOR BIG RED FIRE...BLM  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
303 PM MDT SUN AUG 20 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 1500 MDT ON AUGUST 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
MOISTURE WILL SLOWLY START INCREASING OVER THE BURN SITE OVER THE  
NEXT FEW DAYS WHICH WILL ALLOW AN INCREASE IN SHOWER AND  
THUNDERSTORM COVERAGE. THE BIGGEST CONCERN WILL BE GUSTY OUTFLOW  
WINDS. OUTSIDE OF STORMS, WEST TO NORTHWEST WINDS CAN BE EXPECTED  
BETWEEN 8 TO 12 MPH WITH A FEW HIGHER GUSTS. THIS TREND WILL OCCUR  
FOR MUCH OF THE WEEK.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS.  
MAX TEMPERATURE.....71-76 F.  
MIN HUMIDITY........17-22%.  
WIND (20 FT)........WEST WINDS 8 TO 12 MPH WITH OCCASIONAL GUSTS TO  
TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....GOOD.  
HAINES INDEX........5 MODERATE.  
LAL.................2.  
MIXING HEIGHT.......12900 FT AGL.  
TRANSPORT WINDS.....WEST 10 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....40-45 F.  
MAX HUMIDITY........65-70%.  
WIND (20 FT)........SOUTHEAST WINDS 5 MPH.  
SMOKE DISPERSAL.....DECREASING TO POOR AFTER 10PM.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
MIXING HEIGHT.......11500 FT AGL DECREASING TO 2200 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....WEST 5 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
MAX TEMPERATURE.....68-73 F.  
MIN HUMIDITY........20-25%.  
WIND (20 FT)........NORTHWEST WINDS 10 TO 12 MPH. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD AFTER 11AM.  
HAINES INDEX........5 MODERATE.  
LAL.................2.  
MIXING HEIGHT.......12600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10 MPH.  
 

 
FORECASTER...TOM RENWICK  
REQUESTED BY...BRANDON DUNCAN  
TYPE OF REQUEST...WILDFIRE  
.TAG 1714625.1/GJT  
.EMAIL CRAIGINTERAGENCY@GMAIL.COM  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page
The Nexlab UT Page Main Text Page