077  
FNUS75 KGJT 282333  
FWSGJT  
 
SPOT FORECAST FOR 412...412 FIRE  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
533 PM MDT WED JUN 28 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 0600 MDT ON JUNE 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING
 
   
..RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY
 
 
*** PLEASE PROVIDE OBSERVATIONS FROM THE FIRE SITE WITH ALL  
FUTURE SPOT REQUESTS. THANKS. ***  
   
DISCUSSION
 
RED FLAG CONDITIONS WILL REDEVELOP THURSDAY AFTERNOON  
AND CONTINUE INTO THE EVENING. A TROUGH WILL MOVE OVERHEAD THURSDAY  
CAUSING WINDS TO INCREASE A BIT MORE THAN THEY DID ON WEDNESDAY.  
CONDITIONS WILL REMAIN DRY WITH NO CHANCE FOR RAIN. WIND SPEEDS WILL  
DECREASE ON FRIDAY AND BECOME MORE NORTHWESTERLY.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10%), BUT HAZY FROM SMOKE PRODUCED  
BY THE BRIAN HEAD FIRE IN UTAH.  
MAX TEMPERATURE.....68-73 F.  
MIN HUMIDITY........11-16%.  
WIND (20 FT)........WEST WINDS 5 MPH, INCREASING TO 17 MPH WITH  
GUSTS UP TO 35 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD, INCREASING TO EXCELLENT IN THE LATE  
MORNING AND AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......11700 FT AGL.  
TRANSPORT WINDS.....WEST 20 MPH.  
CLEARING INDEX......1050.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20%).  
MIN TEMPERATURE.....39-44 F.  
MAX HUMIDITY........33-38%.  
WIND (20 FT)........NORTHWEST WINDS 17 MPH WITH GUSTS UP TO 35 MPH,  
BECOMING NORTH 5 MPH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....EXCELLENT, DECREASING TO POOR (18000 KNOT-FT).  
HAINES INDEX........4 LOW.  
LAL.................1.  
MIXING HEIGHT.......12000 FT AGL, DECREASING TO 3100 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....NORTHWEST 15 MPH.  
CLEARING INDEX......1050, DECREASING TO 300 AFTER MIDNIGHT.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (0-10%).  
MAX TEMPERATURE.....67-72 F.  
MIN HUMIDITY........10-15%.  
WIND (20 FT)........NORTHWEST WINDS 15 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
MIXING HEIGHT.......7800 FT AGL, INCREASING TO 11700 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 15 MPH.  
CLEARING INDEX......1050.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-10%).  
MIN TEMPERATURE.....39-44 F.  
MAX HUMIDITY........31-36%.  
WIND (20 FT)........NORTH WINDS 15 MPH, BECOMING EAST 5 MPH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....VERY GOOD, DECREASING TO POOR (13000-26000  
KNOT-FT) IN THE LATE EVENING AND OVERNIGHT.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
MIXING HEIGHT.......10400 FT AGL, DECREASING TO 2300 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....NORTH 5 MPH.  
 

 
 

 
FORECASTER...CHRIS CUOCO  
REQUESTED BY...412 IC  
TYPE OF REQUEST...WILDFIRE  
.TAG 1711809.0/GJT  
.EMAIL BQUINLAN02@FS.FED.US,MJBRYSON@FS.FED.US,DGRETTENBERG@FS.FED.USRH  
 
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