Spot Forecast
Issued by NWS Pendleton, OR

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995
FNUS76 KPDT 090551
FWSPDT

Spot Forecast for Bear Creek Unit 2 Rx Burn...Washington DNR
National Weather Service Pendleton OR
1051 PM PDT Wed Oct 8 2025

Forecast is based on ignition time of 2300 PDT on October 08.
***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...A system moving through the area will bring light
rain to the burn area, with winds remaining light through tomorrow.
Best chances (30-50%) of wetting rains will be between 7AM-10AM.
Overnight recovery tonight will excellent, with afternoon RHs
in the lower to mid 40s tomorrow.

.REST OF TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Chance of rain showers
                    late in the evening, then rain showers likely
                    overnight.
CWR.................23 percent becoming 30 percent after 4AM.
Chance of lightning.5 percent.
Min temperature.....41-44.
Max humidity........95-100 percent.
Wind (20 ft)........Light drainage winds.
Ridgetop wind.......Northwest winds 3 to 6 mph.
Mixing height.......1000 ft AGL.
Transport winds.....Northwest around 5 mph shifting to the west
                    around 6 mph early in the morning.
Ventilation Index...Poor (40).

TIME (PDT)      11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A
Chc of ltng (%).10  10  10  10  10  10  0   0   0   0   0   0
Temp............47  46  46  45  43  43  43  41  42  43  45  51
RH..............73  77  79  84  91  92  98  100 100 98  99  91
20 FT wind dir..N   N   N   NW  NW  NW  W   W   W   W   W   W
20 FT wind spd..3   3   3   3   3   3   3   3   3   3   3   3
20 FT wind gust.5   5   5   5   5   5   5   5   5   5   5   5

.THURSDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
                    likely early in the morning, then slight chance
                    of rain showers early in the morning.
CWR.................35 percent decreasing to 6 percent after 11AM.
Chance of lightning.2 percent.
Max temperature.....Around 70.
Min humidity........41-46 percent.
Wind (20 ft)........Light drainage winds becoming light upslope
winds after 11AM.
Ridgetop wind.......Northwest winds 3 to 6 mph shifting to the
south 4 to 7 mph around 11AM.
Mixing height.......3700 ft AGL.
Transport winds.....West around 6 mph shifting to the south 7 to 8
                    mph late in the morning, then becoming light
                    late in the afternoon.
Ventilation Index...Poor (60) increasing to fair (210) in the
                    afternoon.


$$
Forecaster...Lawhorn
Requested by...Adam Lieberg
Type of request...PRESCRIBED
.TAG 2523179.0/PDT
.DELDT 10/08/25
.FormatterVersion 2.0.0
.EMAIL alieberg@columbialandtrust.org