583  
FNUS76 KOTX 211211  
FWSOTX  
 
SPOT FORECAST FOR 25 MILE...USFS  
NATIONAL WEATHER SERVICE SPOKANE WA  
511 AM PDT FRI APR 21 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BUILD OVER THE FIRE AREA TODAY, BRINGING DRY  
AND MILD WEATHER. IT WILL START OUT MOSTLY CLEAR WITH A FEW  
CUMULUS BUILD UPS BY AFTERNOON. EXPECT SLIGHTLY WARMER TEMPERATURES  
AND SLIGHTLY LOWER HUMIDITIES THAN YESTERDAY. WINDS WILL BE  
PRIMARILY TERRAIN DRIVEN. IT SHOULD REMAIN DRY THROUGH SATURDAY  
MORNING. CLOUDS WILL BE ON THE INCREASE THROUGH THE DAY WITH  
SCATTERED SHOWERS BY SATURDAY AFTERNOON. SHOWERY AND COOL CONDITIONS  
WILL PREVAIL MUCH OF NEXT WEEK.  
 
***************************************************************  
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE  
10 MINUTE AVERAGES REFLECTING RAWS WIND.  
***************************************************************  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....59.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........NORTHWEST 3 TO 6 MPH IN THE MORNING  
BECOMING UPSLOPE/ UP VALLEY 2 TO 5 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3000 FT  
AGL AFTER 1400 PDT.  
TRANSPORT WINDS.....EAST 4 TO 8 MPH.  
HAINES INDEX........2 VERY LOW.  
 

 
FORECASTER...RF  
REQUESTED BY...THOMAS HALL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1707289.0/OTX  
 
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