792
FNUS76 KPDT 082123
FWSPDT
SPOT FORECAST FOR MARLEY FIRE...OREGON DEPT. OF FORESTRY
NATIONAL WEATHER SERVICE PENDLETON OR
223 PM PDT MON SEP 8 2025
FORECAST IS BASED ON FORECAST START TIME OF 1400 PDT ON SEPTEMBER 11.
***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
COOL TEMPERATURES ARE EXPECTED WITH RAIN AND SLIGHT
THUNDERSTORM CHANCES. GOOD CHANCES FOR WETTING RAIN. MIN RH VALUES
65 TO 70 PERCENT.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). RAIN SHOWERS (70-80%)
AND SLIGHT CHANCE (20%)OF THUNDERSTORMS LATE IN THE
AFTERNOON, DECREASING TO 20-30 PERCENT IN THE EVENING
AND OVERNIGHT.
CWR.................76 PERCENT LATE IN THE AFTERNOON.
CHANCE OF LIGHTNING.26 PERCENT.
MAX TEMPERATURE.....59-62.
MIN HUMIDITY........65-70 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
RIDGETOP WIND.......SOUTH TO SOUTHEAST WIND 5 TO 10 MPH.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...POOR (70).
TIME (PDT) 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
CHC OF LTNG (%).30 30 30 10 10 10 10 10 10 0 0 0
TEMP............57 57 58 57 56 54 52 51 50 50 50 50
RH..............73 72 73 75 79 83 87 88 89 88 87 86
20 FT WIND DIR..W W W NW NW NW W W W SW SW SW
20 FT WIND SPD..4 4 4 4 4 4 3 3 3 4 4 4
20 FT WIND GUST.6 6 6 6 6 6
FORECASTER...NIERENBERG
REQUESTED BY...ABBY MCBETH
TYPE OF REQUEST...WILDFIRE
.TAG 2521583.0/PDT
.DELDT 09/08/25
.FORMATTERVERSION 2.0.0
.EMAIL ABBY.D.MCBETH@ODF.OREGON.GOV
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