162
FNUS76 KPDT 121058
FWSPDT

Spot Forecast for PHILLIP JOHN WUI RX...YAKAMA AGENCY
National Weather Service Pendleton OR
358 AM PDT Wed Jun 12 2024

Forecast is based on ignition time of 1800 PDT on June 12.
***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...Dry weather will persist through Friday at the
burn site. Afternoon RH values will be very low with moderate
overnight recovery anticipated. Winds will be diurnally driven
Thursday then turn to westerly Thursday night and Friday.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....46-49.
Max humidity........47-52 percent.
Wind (20 ft)........Northwest winds 4-7 mph.
Mixing height.......Decreasing to 300-500 ft AGL.
Transport winds.....North-northwest 5-10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....85-88.
Min humidity........10-15 percent.
Wind (20 ft)........Downvalley winds 2-4 mph,becoming upvalley
                    winds 2-4 mph late morning.
Mixing height.......Increasing to 5600-6200 ft AGL by
                    afternoon.
Transport winds.....Light winds.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (45-55 percent) then becoming
                    mostly clear (15-25 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....50-53.
Max humidity........49-54 percent.
Wind (20 ft)........Southwest winds 2-5 mph shifting to the
                    northwest 6-9 mph overnight.
Mixing height.......Decreasing to 400-700 ft AGL.
Transport winds.....Northwest 6-10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....76-79.
Min humidity........16-21 percent.
Wind (20 ft)........West winds 5-10 mph gusting 15-20 mph,
                    strongest in the afternoon.
Mixing height.......Increasing to 8000-8500 ft AGL by afternoon.
Transport winds.....West 9-14 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Plunkett
Requested by...SAMANTHA WATLAMET
Type of request...PRESCRIBED
.TAG 2415962.0/PDT
.DELDT 06/12/24
.FormatterVersion 2.0.0
.EMAIL samantha_watlamet@yakama.com