224
FNUS76 KPDT 092327
FWSPDT

Spot Forecast for Sunrise Fire...BLM
National Weather Service Pendleton OR
427 PM PDT Wed Jul 9 2025

Forecast is based on forecast start time of 1600 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...Weak northwest flow aloft will maintain relatively
cool but dry conditions across the area. An upper level ridge
will build over the area Thursday night into Friday that will
begin a warming and drying trend with min RHs falling below
15-20%. Winds look to remain generally below 10-15 mph.

.THURSDAY...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....82-85.
Min humidity........22-27 percent.
Wind (20 ft)........Northwest 5 to 10 mph.
Mixing height.......6600 ft AGL.
Transport winds.....Northwest 8 to 12 mph.
Ventilation Index...Poor (100) increasing to fair (440).

.THURSDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....49-52.
Max humidity........70-75 percent.
Wind (20 ft)........North winds 5 to 10 mph.
Mixing height.......600 ft AGL in the evening and overnight.
Transport winds.....North around 11 mph.
Ventilation Index...Fair (440) decreasing to poor (40) overnight.

.FRIDAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....84-87.
Min humidity........15-20 percent.
Wind (20 ft)........Light winds becoming north 5 to 7 mph in the
                    afternoon.
Mixing height.......6900 ft AGL early in the morning.
Transport winds.....North around 7 mph.
Ventilation Index...Poor (40) increasing to fair (300) in the
                    afternoon.

$$
Forecaster...NWS Seattle
Requested by...Amy Lowe
Type of request...WILDFIRE
.TAG 2517703.0/PDT
.DELDT 07/09/25
.FormatterVersion 2.0.0
.EMAIL amy.e.lowe@usda.gov