193
FNUS76 KPDT 181249
FWSPDT

Spot Forecast for Canteen RX...USFS OWF
National Weather Service Pendleton OR
549 AM PDT Tue Jun 18 2024

Forecast is based on ignition time of 0700 PDT on June 18.
***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...The upper level trough has given way to a broad
zonal flow. Winds will lessen this morning to the west at
5 mph shifting to the southeast around 11 AM then again to
the northwest near 8PM. Daytime RH values will be low between
25-30% with moderate overnight recoveries. Temperatures will
increase over the remainder of the period as thermal trough
will makes its way across the region dropping daytime RH
values to below 20% with light winds increasing to 6 to 8 mph.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........25-30 percent.
Wind (20 ft)........West winds around 5 mph shifting to the
                    southeast 5 to 6 mph in the afternoon.
Ridgetop wind.......West winds around 7 mph shifting to the
                    southeast 7 to 9 mph in the afternoon.
Mixing height.......8300 ft AGL.
Transport winds.....Light winds.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....44-47.
Max humidity........69-74 percent.
Wind (20 ft)........Northwest winds around 5 mph in the evening
                    becoming light.
Ridgetop wind.......Northwest winds around 5 mph in the evening
                    and overnight.
Mixing height.......600 ft AGL.
Transport winds.....North around 7 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.JUNETEENTH...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....73-76.
Min humidity........15-20 percent.
Wind (20 ft)........Light winds becoming southeast 6 to 8 mph in
                    the afternoon.
Ridgetop wind.......Southeast 8 to 10 mph.
                    the afternoon.
Mixing height.......8200 ft AGL.
Transport winds.....Southeast around 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Bennese
Requested by...Jon Campbell
Type of request...PRESCRIBED
.TAG 2416318.0/PDT
.DELDT 06/18/24
.FormatterVersion 2.0.0
.EMAIL jonathon.L.campbell@usda.gov