117  
FNUS75 KBOI 151207  
FWSBOI  
 
SPOT FORECAST FOR NW MALHEUR...BLM  
NATIONAL WEATHER SERVICE BOISE ID  
507 AM MST WED JAN 15 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON JANUARY 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..PERIODS OF ACTIVE WINTER WEATHER THROUGH THURSDAY
 
 
   
DISCUSSION
 
 
AFTER A BRIEF BREAK TODAY, AN AREA OF LOW PRESSURE WILL MOVE  
CLOSER TO THE PACIFIC NORTHWEST. AS THIS SYSTEM APPROACHES, IT  
WILL SEND A WARM FRONT ACROSS THE AREA, WITH PERIODS OF SNOWFALL  
FAVORED. ACCUMULATION WITH THIS SURGE OF MOISTURE SHOULD BE  
LIGHT, GENERALLY LESS THAN AN INCH. EXPECT PERIODS OF GUSTY WIND  
AS WELL WITH THIS FRONT. A COLD FRONT ASSOCIATED WITH THE SAME  
AREA OF LOW PRESSURE WILL BRING A RETURN OF COOLER TEMPERATURES  
FOR FRIDAY, BUT MOST SNOWFALL IS EXPECTED TO REMAIN ACROSS IDAHO  
FOR FRIDAY.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW  
AFTER 1300.  
MAX TEMPERATURE.....23 TO 28. WIND CHILL AROUND 10 TO 15 DEGREES.  
MIN HUMIDITY........73 TO 78 PERCENT.  
CWR /0.10 INCH/.....10 PERCENT.  
WIND - EYE LEVEL....EAST 4 TO 10 MPH. GUSTS TO 18 MPH POSSIBLE IN  
THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...100 POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. A CHANCE OF SNOW, MAINLY THROUGH 2200.  
CHANCE OF SNOW 40 PERCENT.  
MIN TEMPERATURE.....19 TO 24.  
MAX HUMIDITY........95 TO 100 PERCENT.  
CWR /0.10 INCH/.....20 PERCENT.  
WIND - EYE LEVEL....EAST AROUND 10 TO 15 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...15 POOR.  
   
THURSDAY
 
 
SKY/WEATHER.........CLOUDY. A CHANCE OF SNOW IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. CHANCE OF SNOW 60  
PERCENT. SNOW ACCUMULATION AROUND 1 INCH.  
MAX TEMPERATURE.....30 TO 35.  
MIN HUMIDITY........67 TO 72 PERCENT.  
CWR /0.10 INCH/.....30 PERCENT.  
WIND - EYE LEVEL....EAST AROUND 6 MPH.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...35 POOR.  
 

 
FORECASTER...BRANHAM  
REQUESTED BY...BRANDON REA  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2000593.1/BOI  
 
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