325  
FNUS76 KPDT 242215  
FWSPDT  
 
SPOT FORECAST FOR DRIVEWAY RX...BURNS BLM  
NATIONAL WEATHER SERVICE PENDLETON OR  
315 PM PDT MON SEP 24 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON SEPTEMBER 25.  
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***  
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
 
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (541) 276-8134.  
   
DISCUSSION
 
DRY AND STABLE CONDITIONS WILL PERSIST THROUGH FRIDAY.  
A WARMING TREND IS IN STORE WITH LOW RELATIVE HUMIDITY DURING THE DAY  
AND DECREASING RH RECOVERY AT NIGHT. LOW AND MID-LEVEL INVERSIONS WILL  
BE DIFFICULT TO WEAKEN DURING THE DAY, RESULTING IN LOW MIXING HEIGHTS  
AND WEAK TRANSPORT WINDS FOR THE NEXT SEVERAL DAYS.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....64-69.  
MIN HUMIDITY........13-18 PERCENT.  
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH.  
RIDGETOP WIND.......NORTHEAST TO EAST AROUND 5 MPH.  
MIXING HEIGHT.......1000 FT AGL INCREASING TO 3500 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
HAINES INDEX........4 (LOW).  
 
TIME (PDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM  
TEMP............47 55 59 64 61 54  
RH..............43 28 23 18 20 27  
20 FT WIND......E 2 E 3 E 4 E 4 NE 4 E 3  
 
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....41-46.  
MAX HUMIDITY........33-38 PERCENT.  
WIND (20 FT)........SOUTH WINDS UP TO 5 MPH.  
RIDGETOP WIND.......  
MIXING HEIGHT.......3000 FT AGL THEN NEAR SURFACE.  
TRANSPORT WINDS.....EAST AROUND 5 MPH EARLY IN THE EVENING BECOMING  
LIGHT.  
HAINES INDEX........4 (LOW).  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....71-76.  
MIN HUMIDITY........5-10 PERCENT.  
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH.  
RIDGETOP WIND.......VARIABLE AROUND 5 MPH.  
MIXING HEIGHT.......NEAR SURFACE THEN 3500 FT AGL AFTERNOON.  
TRANSPORT WINDS.....LIGHT WINDS AROUND 5 MPH.  
HAINES INDEX........4 (LOW).  
 

 
FORECASTER...SOLOMON  
REQUESTED BY...TIM BOYCE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1816135.0/PDT  
.DELDT 09/24/18  
.EMAIL ORBIC2@GMAIL.COM  
 
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