823  
FNUS75 KBOI 201926  
FWSBOI  
 
SPOT FORECAST FOR IRON MOUNTAIN RX...VALE BLM  
NATIONAL WEATHER SERVICE BOISE ID  
1226 PM MST MON NOV 20 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 PST ON NOVEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..WET CONDITIONS CONTINUE
 
 
   
DISCUSSION
 
AT 1115 PDT - A SIGNIFICANT PUSH OF RAIN WAS OCCURRING  
ACROSS EASTERN OREGON, AS AN UPPER LEVEL TROUGH APPROACHED THE AREA  
FROM THE WEST. THIS RAIN WILL CONTINUE THROUGH EARLY AFTERNOON, THEN  
GRADUALLY EASE UP LATER THIS AFTERNOON AS THE UPPER TROUGH TRACKS EAST  
ACROSS BAKER COUNTY. RAIN SHOWERS WILL STILL BE PRESENT DURING THIS  
TIME, BUT THE OVERALL COVERAGE AND FREQUENCY OF PRECIPITATION WILL  
HAVE LESSENED. THE THREAT OF RAIN SHOWERS WILL CONTINUE ON TUESDAY,  
AS MOIST SOUTHWESTERLY FLOW ALOFT TAKES HOLD. AN ESTIMATED 24-HR  
RAINFALL TOTAL OF 0.15 TO 0.40 IS EXPECTED AT THE IRON MOUNTAIN  
BURN SITE.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........RAIN.  
CWR /0.10 INCH/.....50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....40 TO 44.  
MIN HUMIDITY........80 TO 85 PERCENT.  
WIND - EYE LEVEL....SOUTH 3 TO 6 MPH THROUGH 1200 PDT, INCREASING  
TO SOUTH 4 TO 8 MPH WITH GUSTS TO 15 MPH IN  
THE AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
MIXING HEIGHT.......2000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
VENTILATION INDEX...300 FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY WITH A 40 PERCENT CHANCE OF RAIN (MAINLY  
BEFORE MIDNIGHT).  
CWR /0.10 INCH/.....15 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....34 TO 39.  
MAX HUMIDITY........95 TO 100 PERCENT.  
WIND - EYE LEVEL....SOUTH 4 TO 8 MPH WITH GUSTS TO 15 MPH IN  
THE EARLY EVENING, BECOMING NORTHEAST 2 TO  
4 MPH AFTER 1900 PDT.  
HAINES INDEX........2 VERY LOW.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
VENTILATION INDEX...15 POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN 60  
PERCENT.  
CWR /0.10 INCH/.....50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....42 TO 47.  
MIN HUMIDITY........91 TO 96 PERCENT.  
WIND - EYE LEVEL....NORTHEAST 2 TO 4 MPH IN THE MORNING, BECOMING  
SOUTH 5 TO 7 MPH WITH GUSTS TO 15 MPH IN THE  
THE AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
VENTILATION INDEX...225 FAIR.  
 

 
FORECASTER...THIMMESCH  
REQUESTED BY...MARC JOHNSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1718793.3/BOI  
 
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