166
FNUS76 KPDT 081419
FWSPDT

Spot Forecast for Swauk Pine RX...US Forest Service
National Weather Service Pendleton OR
619 AM PST Fri Nov 8 2024

Forecast is based on ignition time of 0700 PST on November 08.
***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...Upper level high pressure will remain over the
area through tonight, then increasing chances of rain as a
weak weather system moves over the region tomorrow. There will
be a 50-60% chance of wetting rains by the end of the Saturday.
Winds will be upslope through tonight, then becoming mainly
southwest around 5 mph tomorrow.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 50.
Min humidity........46-51 percent.
Wind (20 ft)........Upslope winds.
Ridgetop wind.......Southwest winds 3 to 6 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 5 to 6 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (PST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Temp............32  35  40  42  44  47  45  45  44  41  39  38
RH..............72  59  53  51  53  51  53  53  59  68  76  76
20 FT wind dir..S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..4   4   4   4   4   4   4   4   4   4   4   4
20 FT wind gust.                        5   5   5

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....36-39.
Max humidity........71-76 percent.
Wind (20 ft)........Upslope winds.
Ridgetop wind.......West winds 4 to 7 mph.
Mixing height.......Near surface.
Transport winds.....Southwest 6 to 7 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    in the late morning and early afternoon. Rain
                    likely late in the afternoon.
CWR.................3 percent increasing to 13 percent late in the
                    afternoon.
LAL.................1.
Max temperature.....46-49.
Min humidity........56-61 percent.
Wind (20 ft)........Upslope winds becoming southwest 4 to 7 mph in
                    the late morning and afternoon.
Ridgetop wind.......West winds 5 to 8 mph.
Mixing height.......1000 ft AGL in the late morning and afternoon.
Transport winds.....Southwest 6 to 13 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Kenton Bass
Type of request...PRESCRIBED
.TAG 2425855.2/PDT
.DELDT 11/08/24
.FormatterVersion 2.0.0
.EMAIL kenton.bass@usda.gov