249  
FNUS75 KBOI 201413  
FWSBOI  
 
SPOT FORECAST FOR DEER FLAT PILES...US FWS  
NATIONAL WEATHER SERVICE BOISE ID  
713 AM MST WED FEB 20 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON FEBRUARY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..SNOW TODAY
 
 
   
DISCUSSION
 
 
SNOW THIS MORNING WILL TAPER OFF TO SNOW SHOWERS THIS AFTERNOON.  
THE LOW PRESSURE SYSTEM RESPONSIBLE FOR THE SNOW WILL SHIFT SOUTH  
OF THE AREA TONIGHT THROUGH THURSDAY, WITH A SLIGHT CHANCE OF SNOW  
SHOWERS. HIGH PRESSURE WILL BRING DRY WEATHER THURSDAY NIGHT  
THROUGH FRIDAY. THE NEXT SYSTEM WILL BRING MORE SNOW THIS  
WEEKEND.  
   
TODAY
 
 
SKY/WEATHER.........SNOW IN THE MORNING, THEN NUMEROUS SNOW SHOWERS  
IN THE AFTERNOON. CHANCE OF SNOW 90 PERCENT.  
SNOW ACCUMULATION AROUND AN INCH.  
MAX TEMPERATURE.....AROUND 36.  
MIN HUMIDITY........NEAR 70 PERCENT.  
CWR /0.10 INCH/.....50 PERCENT.  
WIND - EYE LEVEL....SOUTH AROUND 5 MPH IN THE MORNING, SHIFTING TO  
NORTHWEST 3 TO 6 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......6500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
VENTILATION INDEX...650 GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW  
SHOWERS.  
MIN TEMPERATURE.....AROUND 25.  
MAX HUMIDITY........NEAR 90 PERCENT.  
CWR /0.10 INCH/.....10 PERCENT.  
WIND - EYE LEVEL....NORTHWEST AROUND 6 MPH.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
VENTILATION INDEX...50 POOR.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW  
SHOWERS IN THE MORNING.  
MAX TEMPERATURE.....AROUND 36.  
MIN HUMIDITY........NEAR 60 PERCENT.  
CWR /0.10 INCH/.....10 PERCENT.  
WIND - EYE LEVEL....NORTHWEST AROUND 7 MPH.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
VENTILATION INDEX...300 FAIR.  
 

 
FORECASTER...WOJCIK  
REQUESTED BY...JIM FORSYTHE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1901717.0/BOI  
 
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