051  
FNUS75 KGJT 192257  
FWSGJT  
 
SPOT FORECAST FOR UPPER MAILBOX...BLM  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
457 PM MDT TUE JUN 19 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON JUNE 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY AND HOT CONDITIONS WILL CONTINUE OVER THE WILDFIRE THROUGH  
TOMORROW AS HIGH PRESSURE STARTS BUILDING IN. WINDS WILL BE  
WESTERLY AND THEN SHIFT TO THE NORTHWEST IN THE EARLY AFTERNOON  
THOUGH THEY SHOULD BE LIGHT. HUMIDITIES WILL LIKELY DROP INTO THE  
SINGLE DIGITS OR LOW TEENS BUT AGAIN, WINDS SHOULD BE LIGHT.  
SIMILAR CONDITIONS ARE EXPECTED THROUGH THE WEEK.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10%).  
MIN TEMPERATURE.....49-54 F.  
MAX HUMIDITY........35-40%.  
WIND (20 FT)........WEST WINDS 10 MPH WITH GUSTS TO AROUND 16 MPH  
BECOMING EAST AFTER MIDNIGHT.  
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR (16000 KNOT-FT)  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW.  
LAL.................1.  
MIXING HEIGHT.......12000 FT AGL, DECREASING TO 2900 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....WEST 17 MPH, BECOMING NORTHEAST 5 MPH AFTER  
MIDNIGHT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (0-10%).  
MAX TEMPERATURE.....85-90 F.  
MIN HUMIDITY........7-12%.  
WIND (20 FT)........WEST TO NORTHWEST WINDS 6 TO 8 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......7300 FT AGL INCREASING TO 9600 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 10 MPH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-10%).  
MIN TEMPERATURE.....45-50 F.  
MAX HUMIDITY........45-50%.  
WIND (20 FT)........NORTH WINDS 5 MPH BECOMING EAST AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....GOOD, DECREASING TO POOR (15000 KNOT-FT) AFTER  
MIDNIGHT.  
HAINES INDEX........4 LOW.  
LAL.................1.  
MIXING HEIGHT.......9700 FT AGL DECREASING TO 2100 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....NORTH 10 MPH BECOMING EAST AFTER MIDNIGHT.  
 

 
FORECASTER...TOM RENWICK  
REQUESTED BY...GREG MANN  
TYPE OF REQUEST...WILDFIRE  
.TAG 1811548.4/GJT  
.DELDT 06/19/18  
.EMAIL SIDIMT3@GMAIL.COM  
 
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