394  
FNUS76 KPDT 061939  
FWSPDT  
 
SPOT FORECAST FOR FLANK 4 RX...USFS  
NATIONAL WEATHER SERVICE PENDLETON OR  
1239 PM PDT MON APR 6 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 07.  
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***  
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***  
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***  
***VENTILATION INDEX IS DERIVED FROM THE  
TRANSPORT WIND MULTIPLIED BY THE MIXING  
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES  
ARE A GENERALIZED INDICATOR ONLY.***  
 
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (541) 276-8134.  
   
DISCUSSION  
DRY CONDITIONS WILL PERSIST TUESDAY OVER THE  
FIRE AREA. WINDS WILL BE FROM THE WEST AT 8-12 MPH WITH  
GUSTS TO 24 MPH AFTER 11 AM. DAYTIME RHS WILL BE LOW RANGING  
FROM THE TEENS TO LOW 20%.  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....64-67.  
MIN HUMIDITY........15-20 PERCENT.  
WIND (20 FT)........WEST WINDS 8 TO 12 MPH. GUSTS UP TO 24 MPH  
AFTER 11 AM.  
RIDGETOP WIND.......WEST WINDS 10 TO 14 MPH. GUSTS UP TO 28 MPH  
AFTER 11 AM.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....WEST 20 TO 24 MPH.  
VENTILATION INDEX...POOR (170) INCREASING TO EXCELLENT (970) IN THE  
AFTERNOON.  
 
TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM  
CHC OF LTNG (%).0 0 0 0 0 0  
TEMP............47 57 61 63 62 54  
RH..............42 27 23 22 24 33  
20 FT WIND......W 8 W 11 W 11 W 12 W 10 W 10  
20 FT WIND GUST.14 19 22 20 18 18  
 
 
FORECASTER...BENNESE  
REQUESTED BY...NATALIE KUNTZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609045.0/PDT  
.DELDT 04/06/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NATALIE.KUNTZ@USDA.GOV  
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