295
FNUS76 KPDT 232312
FWSPDT

Spot Forecast for Swauk Creek Fire...USFS
National Weather Service Pendleton OR
412 PM PDT Mon Sep 23 2024

Forecast is based on forecast start time of 1600 PDT on September 23.
***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 will continue to build over the region
through tomorrow, increasing temperatures into the lower 80s
tomorrow afternoon.  Afternoon RHs will also decrease slightly
into the lower to mid 30s tomorrow, but overnight recovery will be
good to excellent. Winds will be from the west today, but will
switch to the south/southeast by tomorrow afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....76-79.
Min humidity........38-43 percent.
Wind (20 ft)........West winds 5 to 8 mph.
Ridgetop wind.......West winds 5 to 10 mph.
Mixing height.......3200 ft AGL.
Transport winds.....West 9 to 12 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      4 PM   6 PM   8 PM   10 PM  MIDNGT 2 AM
Temp............76     71     62     60     59     57
RH..............44     53     74     82     81     80
20 ft wind......W 8    W 7    S 4    S 4    N 2    N 2
20 ft wind gust.14     11     5      5

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....55-58.
Max humidity........79-84 percent.
Wind (20 ft)........West winds 5 to 8 mph becoming drainage winds
after 8PM.
Ridgetop wind.......West winds 5 to 10 mph becoming light and
variable after 11PM.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 6 to 9 mph in the evening and
                    overnight becoming light, then becoming east
                    around 5 mph early in the morning.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....79-82.
Min humidity........30-35 percent.
Wind (20 ft)........Drainage winds becoming southeast 5 to 8 mph
                    after 10AM.
Ridgetop wind.......Light and variable winds becoming southeast
5 to 10 mph after 10AM.
Mixing height.......3500 ft AGL.
Transport winds.....Southeast 5 to 7 mph shifting to the south 10
                    to 12 mph late in the morning.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Rachel Granberg
Type of request...WILDFIRE
.TAG 2422869.1/PDT
.DELDT 09/23/24
.FormatterVersion 2.0.0
.EMAIL rachel.granberg@usda.gov