622  
FNUS76 KPDT 261018  
FWSPDT  
 
SPOT FORECAST FOR ELK 16 HA...MALHUER FOREST SERVICE PRARIE CITY RANGER  
NATIONAL WEATHER SERVICE PENDLETON OR  
318 AM PDT WED SEP 26 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON SEPTEMBER 26.  
***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
 
A RIDGE OF HIGH PRESSURE REMAINS JUST OFF THE COAST  
THROUGH THURSDAY WITH DRY NORTHWESTERLY FLOW. WARMING ALOFT  
ASSOCIATED WITH THIS FEATURE WILL LIMIT AFTERNOON MIXING HEIGHTS  
TO LESS THAN 4000 FT AGL THROUGH FRIDAY NIGHT.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....74.  
MIN HUMIDITY........12 PERCENT.  
WIND (20 FT)........NORTHWEST LESS THAN 3 MPH BECOMING SOUTH  
LESS THAN 5 MPH IN THE AFTERNOON.  
RIDGETOP WIND.......NORTHWEST LESS THAN 3 MPH BECOMING SOUTH  
LESS THAN 5 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......NEAR SURFACE THEN 3500 FT AGL.  
TRANSPORT WINDS.....NORTH LESS THAN 5 MPH BECOMING SOUTH LESS THAN  
5 MPH IN THE AFTERNOON.  
HAINES INDEX........4 (LOW).  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....32-37.  
MAX HUMIDITY........56-61 PERCENT.  
WIND (20 FT)........DRAINAGE WINDS LESS THAN 3 MPH.  
RIDGETOP WIND.......NORTHWEST LESS THAN 4 MPH.  
MIXING HEIGHT.......3500 FT AGL DECREASING TO 500 FT AGL EARLY  
IN THE EVENING.  
TRANSPORT WINDS.....LIGHT WINDS.  
HAINES INDEX........4 (LOW).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....79-84.  
MIN HUMIDITY........7-12 PERCENT.  
WIND (20 FT)........NORTH LESS THAN 3 MPH BECOMING WEST 4 TO 7 MPH  
IN THE AFTERNOON.  
RIDGETOP WIND.......NORTHWEST LESS THAN 5 MPH.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 4000 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....NORTHWEST LESS THAN 5 MPH.  
HAINES INDEX........3 (VERY LOW).  
 

 
FORECASTER...PECK  
REQUESTED BY...BRIE MYERS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1816200.0/PDT  
.DELDT 09/26/18  
.EMAIL SHANIKOCOWIE@FS.FED.US,BAMYERS@FS.FED.US  
 
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