913
FNUS76 KPDT 100005
FWSPDT
SPOT FORECAST FOR TROUT CREEK...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
505 PM PDT WED JUL 9 2025
FORECAST IS BASED ON FORECAST START TIME OF 0900 PDT ON JULY 10.
***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
MILD, DRY CONDITIONS ARE FORECAST THROUGH THE
PERIOD AS A COUPLE WEAK WEATHER SYSTEMS PASS TO THE NORTH
OF THE BURN SITE. OVERNIGHT RH RECOVERY IS EXPECTED TO BE
GOOD TO EXCELLENT THROUGH FRIDAY MORNING, THEN MODERATE TO
GOOD SATURDAY MORNING AS A DRIER AIR MASS MOVES OVER THE REGION.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (0-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....74-77.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-8 MPH SHIFTING TO THE
NORTH LATE IN THE AFTERNOON. GUSTS AS
HIGH AS 15 MPH.
RIDGETOP WIND.......NORTHWEST WINDS 7-10 MPH SHIFTING TO THE
NORTH LATE IN THE AFTERNOON. GUSTS AS
HIGH AS 15 MPH.
MIXING HEIGHT.......INCREASING TO 5000-5500 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 8-12 MPH.
VENTILATION INDEX...POOR (90) INCREASING TO FAIR (360) 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............61 67 71 74 74 70
RH..............57 47 43 38 38 40
20 FT WIND......W 7 NW 8 NW 8 NW 8 N 8 N 8
20 FT WIND GUST.10 11 11 13 13 13
THURSDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....49-52.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........NORTH WINDS 5-8 MPH WITH GUSTS UP TO 15 MPH
IN THE EVENING, BECOMING DRAINAGE 1-4 MPH OVERNIGHT.
RIDGETOP WIND.......NORTH WINDS 7-10 MPH WITH GUSTS UP TO 15 MPH
IN THE EVENING, BECOMING EAST 4-8 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO NEAR SURFACE OVERNIGHT.
TRANSPORT WINDS.....NORTH 8-12 MPH IN THE EVENING, SHIFTING TO THE EAST
4-8 MPH OVERNIGHT.
VENTILATION INDEX...FAIR (250) DECREASING TO POOR (30) OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....77-80.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 3-7 MPH EARLY MORNING, BECOMING
EAST THEN NORTHEAST 5-9 MPH BY LATE MORNING.
GUSTS AS HIGH AS 15 MPH.
RIDGETOP WIND.......EAST 6-10 MPH IN THE MORNING, BECOMING NORTHEAST
6-10 MPH IN THE AFTERNOON. GUSTS AS HIGH AS 15 MPH.
MIXING HEIGHT.......INCREASING TO 5000-5500 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....EAST TO NORTHEAST 6-10 MPH.
VENTILATION INDEX...POOR (40) INCREASING TO FAIR (260) IN THE
AFTERNOON.
FORECASTER...PLUNKETT
REQUESTED BY...DEREK FRYDENLUND
TYPE OF REQUEST...WILDFIRE
.TAG 2517704.0/PDT
.DELDT 07/09/25
.FORMATTERVERSION 2.0.0
.EMAIL ORCOC@FIRENET.GOV
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