578  
FNUS76 KPDT 230000  
FWSPDT  
 
SPOT FORECAST FOR 204 COW...MALHEUR NATIONAL FOREST  
NATIONAL WEATHER SERVICE PENDLETON OR  
500 PM PDT THU AUG 22 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 PDT ON AUGUST 22.  
***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
 
HIGH PRESSURE WILL BRING MAINLY DRY CONDITIONS INTO  
THE WEEKEND WITH NEAR NORMAL TEMPERATURES. PRESSURE GRADIENTS MAY  
TIGHTEN ON SATURDAY AND BREEZY CONDITION ARE POSSIBLE.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....42-45.  
MAX HUMIDITY........49-52 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 4 TO 7 MPH.  
RIDGETOP WIND.......NORTHWEST WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......800 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....70-73.  
MIN HUMIDITY........19-22 PERCENT.  
WIND (20 FT)........WEST WINDS 4 TO 8 MPH.  
RIDGETOP WIND.......WEST WIND 5 TO 9 MPH.  
MIXING HEIGHT.......6900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....49-52.  
MAX HUMIDITY........49-53 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 4 TO 8 MPH.  
RIDGETOP WIND.......NORTHWEST WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....70-73.  
MIN HUMIDITY........20-23 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 10 MPH INCREASING TO 6 TO 12  
MPH WITH GUSTS UP TO 18 MPH IN THE AFTERNOON.  
RIDGETOP WIND.......WEST WINDS 8 TO 16 MPH WITH GUSTS TO  
22 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......7900 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 17 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 

 
FORECASTER...VP  
REQUESTED BY...KATHY RANKIN  
TYPE OF REQUEST...WILDFIRE  
.TAG 1914115.1/PDT  
.DELDT 08/22/19  
.FORMATTERVERSION 1.0.26  
.EMAIL ORJDCC@FIRENET.GOV,BRIAN.C.BISHOP@USDA.GOV  
 
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