329  
FNUS75 KPIH 231147  
FWSPIH  
 
SPOT FORECAST FOR BIGHORN HILL PILE BURN...USFS  
NATIONAL WEATHER SERVICE POCATELLO ID  
547 AM MDT TUE MAY 23 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON MAY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (208) 232-9357, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
AN UPPER RIDGE OVER THE PAC NW TODAY WILL RESULT IN DRY  
CONDITIONS AND WARMER TEMPERATURES THROUGH WEDNESDAY MORNING. AN UPPER  
LOW WITH A COLD FRONT IS EXPECTED TO MOVE SOUTHEAST THROUGH EASTERN  
IDAHO WEDNESAY AFTERNOON...BRINGING STRONG WINDS AND ISOLATED  
THUNDERSTORMS.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
TEMPERATURE.........48 AT IGNITION...MAX 67.  
RH..................67 PERCENT AT IGNITION...MIN 28 PERCENT.  
WIND (20 FT)........WINDS NORTH AT 3 MPH AT IGNITION...SHIFTING TO THE  
SOUTH 3 TO 6 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL AT IGNITION...INCREASING TO 6900 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST AROUND 16 MPH IN THE  
AFTERNOON.  
HAINES INDEX........2.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOW LEVEL..........9900 FT AT IGNITION...INCREASING TO 11000 FT IN THE  
AFTERNOON.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
TEMPERATURE.........MIN 41.  
RH..................MAX 84 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 3 TO 6 MPH.  
MIXING HEIGHT.......6900 FT AGL DECREASING TO 1900 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....WEST AROUND 16 MPH SHIFTING TO THE SOUTH AROUND  
7 MPH AFTER MIDNIGHT.  
HAINES INDEX........2 .  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOW LEVEL..........12400 FT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON.  
CWR.................4 PERCENT.  
LAL.................1, THEN 2 IN THE AFTERNOON.  
TEMPERATURE.........MAX 63.  
RH..................MIN 21 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 TO 11 MPH IN THE  
LATE MORNING...INCREASING TO SOUTHWEST 15 TO 25 MPH  
BY LATE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......1900 FT AGL INCREASING TO 7500 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH INCREASING TO WEST AROUND 35  
MPH IN THE AFTERNOON.  
HAINES INDEX........2 TO 4 .  
RAINFALL AMOUNT.....0.01 INCHES.  
SNOW LEVEL..........11900 FT.  
 

 
FORECASTER...HEDGES  
REQUESTED BY...JEREMY HAWKINS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1709880.0/PIH  
.EMAIL JEREMYHAWKINS@FS.FED.US  
 
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