895
FNUS76 KPDT 160017
FWSPDT

Spot Forecast for Swauk Creek...SEWAIMT3 TEAM2
National Weather Service Pendleton OR
517 PM PDT Sun Sep 15 2024

Forecast is based on forecast start time of 0600 PDT on September 16.
***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 conditions are expected through Tuesday, though an upper
level trough will be moving across the area.  This trough could bring some
gusty winds on Tuesday afternoon.  Winds will generally be out of the north
to northwest direction.  The winds will shift from north to northwest Tuesday
afternoon and increase and become gusty.

There will be an inversion overnight tonight into Monday morning but the inversion
should dissipate shortly after sunrise.

MIN RH values will be below 30 percent on Monday, but much higher on Tuesday,
in the 40 to 45 percent range, with good recovery overnight.

.MONDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....72-75.
Min humidity........23-28 percent.
Wind (20 ft)........Light winds becoming west 5 to 10 mph in the
                    afternoon.
Ridgetop wind.......North wind 10 to 15 with gusts to 20 in the morning,
                    shifting to the northwest and decreasing to 5 to 10 mph
                    in the afternoon.
Mixing height.......5000 ft AGL.
Transport winds.....Northwest around 8 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.MONDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........68-73 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph.
Ridgetop wind.......North winds around 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....Northwest around 9 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Mostly sunny (45-55 percent).
CWR.................2 percent.
LAL.................1.
Max temperature.....63-66.
Min humidity........42-47 percent.
Wind (20 ft)........Northwest winds 5 to 12 mph. Gusts up to 25 mph
                    in the afternoon.
Ridgetop wind.......North winds 10 to 15 shifting to the northwest
                    with gusts 20 to 25 mph the afternoon.
Mixing height.......3600 ft AGL early in the morning.
Transport winds.....Northwest around 14 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Nierenberg
Requested by...BILL BOX
Type of request...WILDFIRE
.TAG 2422284.2/PDT
.DELDT 09/15/24
.FormatterVersion 2.0.0
.EMAIL bill_box@firenet.gov