810  
FNUS76 KOTX 190200  
FWSOTX  
 
SPOT FORECAST FOR WHITNEY FIRE...DNR  
NATIONAL WEATHER SERVICE SPOKANE WA  
700 PM PDT FRI SEP 18 2020  
 
FORECAST IS BASED ON FORECAST START TIME OF 1900 PDT ON SEPTEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION...CORRECTED
 
 
CHANCES FOR LIGHT SHOWERS ARE EXPECTED TONIGHT AND WILL LAST THROUGH  
TOMORROW EVENING. TOTAL RAINFALL AMOUNTS FOR THE FIRE AREA WILL BE  
BELOW OR AROUND 0.10 INCHES. RISK OF THUNDERSTORMS IS LOW FOR THIS  
AREA, BUT IT CANNOT BE COMPLETELY RULED OUT. LOCALIZED HEAVIER RAIN  
AND GUSTY WINDS MAY BE POSSIBLE NEAR THUNDERSTORMS. WIND GUSTS SATURDAY  
AFTERNOON SHOULD REMAIN 15 TO 25 MPH SATURDAY AFTERNOON. SUNDAY INTO  
EARLY NEXT WEEK EXPECT A DRYING TREND TO START THE WEEK AND CLEARING  
THE SMOKE.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.  
CWR.................12 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....50-54.  
MAX HUMIDITY........78-90 PERCENT.  
WIND (20 FT)........SOUTH WINDS 4 TO 9 MPH.  
MIXING HEIGHT.......1500 FT AGL IN THE EVENING DECREASING TO NEAR  
THE SURFACE OVERNIGHT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY.  
CWR.................5 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....72-76.  
MIN HUMIDITY........38-43 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 12 MPH.  
MIXING HEIGHT.......4000 FT AGL IN THE MORNING INCREASING TO 7500  
FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 17 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....45-49.  
MAX HUMIDITY........75-90 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 11 MPH.  
MIXING HEIGHT.......5000 FT AGL IN THE EVENING DECREASING TO NEAR  
THE SURFACE OVERNIGHT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 11 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....72-76.  
MIN HUMIDITY........36-39 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 4 TO 8 MPH.  
MIXING HEIGHT.......3500 FT AGL IN THE MORNING INCREASING TO 6500  
FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 

 
FORECASTER...VT  
REQUESTED BY...ROBBY BOLES  
TYPE OF REQUEST...WILDFIRE  
.TAG 2012773.0/OTX  
.DELDT 09/18/20  
.FORMATTERVERSION 1.0.26  
.EMAIL ADRIA.STRATTON@DNR.WA.GOV  
 
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