035  
FNUS75 KBYZ 031208  
FWSBYZ  
 
SPOT FORECAST FOR STEWART PILES...USFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
508 AM MST TUE DEC 3 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON DECEMBER 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
EXPECT QUIET WEATHER AT THE BURN SITE TODAY AND WEDNESDAY. WEST  
WINDS WILL INCREASE TO THE TEENS THIS MORNING, WITH OCCASIONAL  
GUSTS AROUND 20 MPH THROUGH THE DAY. WINDS WILL TAPER OFF  
OVERNIGHT, AND TURN MORE SOUTHWEST. LIGHT SOUTHWEST WINDS WILL  
PREVAIL THROUGH WEDNESDAY. EXPECT HIGH TEMPERATURES IN THE 40S  
TODAY AND WEDNESDAY, WITH LOWS IN THE 20S EACH NIGHT. MINIMUM RH  
VALUES WILL BE IN THE 50 PERCENT TODAY, AND MID 50 PERCENT RANGE  
WEDNESDAY. DRY AND WARM CONDITIONS WILL PERSIST THROUGH THE WEEK,  
WITH MAINLY LIGHT WINDS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....43-47.  
MIN HUMIDITY........48-52 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 10 TO 14 MPH, WITH GUSTS TO 20 MPH.  
RIDGETOP...........NORTHWEST AROUND 45 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
CWR.................0 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....20-24.  
MAX HUMIDITY........84-88 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 3 TO 5 MPH.  
RIDGETOP...........NORTHWEST AROUND 40 MPH.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....43-47.  
MIN HUMIDITY........53-57 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 3 TO 6 MPH.  
RIDGETOP...........NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
CWR.................0 PERCENT.  
 

 
FORECASTER...GILSTAD  
REQUESTED BY...JORDAN BLOXHAM  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1919497.0/BYZ  
.DELDT 12/03/19  
.FORMATTERVERSION 1.0.26  
.EMAIL JORDAN.BLOXHAM@USDA.GOV  
 
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