491
FNUS76 KPDT 071924
FWSPDT
SPOT FORECAST FOR FLANK 4 RX...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
1224 PM PDT TUE APR 7 2026
FORECAST IS BASED ON IGNITION TIME OF 1300 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
BREEZY TO WINDY CONDITIONS OVER THE FIRE AREA THIS
AFTERNOON AND EVENING. TUESDAY WINDS START FROM THE W AT 8-13 MPH
WITH GUSTS TO 20 MPH SHIFTING AROUND 8 PM TO THE NW AT 5-8 MPH
AND GUSTS TO 16 MPH THEN TO THE S 5-7 MPH AFTER MIDNIGHT.
WEDNESDAY MORNING WINDS START S AT 5-8 MPH THEN THE N AT 5-7 MPH
AFTER 11 AM PM WEDNESDAY. DAYTIME MINIMUM RHS WILL BE IN THE MID
TO UPPER TEENS WITH GOOD OVERNIGHT RECOVERIES TODAY THROUGH TONIGHT.
WEDNESDAYS MINIMUM RHS WILL BE IN THE UPPER TEENS TO LOW 20%.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 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 13 MPH WITH GUSTS TO AROUND 20
MPH SHIFTING TO THE NORTHWEST AFTER 8 PM.
RIDGETOP WIND.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH SHIFTING TO THE NORTHWEST AFTER 8 PM.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 18 MPH.
VENTILATION INDEX...EXCELLENT (830).
TIME (PDT) 1 PM 3 PM 5 PM 7 PM 9 PM 11 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............62 64 63 58 47 43
RH..............20 19 21 31 45 59
20 FT WIND......W 12 W 13 W 8 W 8 NW 6 NW 5
20 FT WIND GUST.18 20 16 16 10 6
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....35-38.
MAX HUMIDITY........59-64 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND
16 MPH SHIFTING TO THE SOUTH 5 TO 7 MPH
AFTER MIDNIGHT.
RIDGETOP WIND.......NORTHWEST WINDS 7 TO 9 MPH WITH GUSTS TO AROUND
20 MPH SHIFTING TO THE SOUTH 7 TO 9 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH.
VENTILATION INDEX...FAIR (270) DECREASING TO POOR (40) OVERNIGHT.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....66-69.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH SHIFTING TO THE NORTH 5
TO 8 MPH AFTER 11 AM.
RIDGETOP WIND.......SOUTH WINDS 7 TO 9 MPH SHIFTING TO THE NORTH 7
TO 9 MPH AFTER 11 AM.
MIXING HEIGHT.......7600 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 13 MPH.
VENTILATION INDEX...POOR (70) INCREASING TO GOOD (600) IN THE
AFTERNOON.
FORECASTER...BENNESE
REQUESTED BY...NATALIE KUNTZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2609045.2/PDT
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL NATALIE.KUNTZ@USDA.GOV
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