579
FNUS76 KPDT 282353
FWSPDT

Spot Forecast for Roslyn City...WA DNR
National Weather Service Pendleton OR
353 PM PST Tue Jan 28 2025

Forecast is based on ignition time of 1100 PST on January 29.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...High pressure remains over the area with dry
conditions persisting through the majority of the burn period with
only morning fog in the forecast. Winds to remain light and
variable at the surface, with mixing heights resulting in poor
ventilation through the period. After starting off several degrees
above normal on Wednesday, temperatures return to near- normal
values on Thursday.

.WEDNESDAY...

Sky/weather.........Sunny (0-10 percent). Patchy fog and freezing
                    fog after 0500, and lifting with improved
                    conditions after 1300.
CWR.................0 percent.
Max temperature.....41-45.
Min humidity........54-59 percent.
Wind (20 ft)........Light and variable winds generally under
                    5 mph.
Ridgetop wind.......Light and variable winds generally under
                    8 mph.
Mixing height.......1500 ft AGL.
Transport winds.....West around 9 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Clear (0-10 percent) then becoming partly
                    cloudy (25-35 percent). Patchy freezing fog
                    returning by 0500.
CWR.................0 percent.
Min temperature.....17-22.
Max humidity........77-83 percent.
Wind (20 ft)........Light and variable winds generally under
                    5 mph.
Ridgetop wind.......Light and variable winds generally under
                    7 mph.
Mixing height.......500 ft AGL in the evening and overnight.
Transport winds.....Northwest around 10 mph.

.THURSDAY...

Sky/weather.........Partly sunny (45-55 percent). Patchy fog and
                    freezing fog through 1300. Slight chance of
                    rain (15-20%) after 1600.
CWR.................0 percent.
Max temperature.....39-44.
Min humidity........60-65 percent.
Wind (20 ft)........Light and variable winds generally under
                    5 mph.
Ridgetop wind.......Light and variable winds generally under
                    7 mph.
Mixing height.......1800 ft AGL.
Transport winds.....West around 8 mph.

$$
Forecaster...Branham
Requested by...Nathan Santo Domingo
Type of request...PRESCRIBED
.TAG 2501633.0/PDT
.DELDT 01/28/25
.FormatterVersion 2.0.0
.EMAIL nathan.santodomingo@dnr.wa.gov