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000
FNUS76 KPDT 200928
FWSPDT

Spot Forecast for Canteen RX...USFS
National Weather Service Pendleton OR
228 AM PDT Sat Apr 20 2024

Forecast is based on ignition time of 0600 PDT on April 20.
***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...An incoming weather system from the Pacific will
switch winds from offshore (easterly component) in the morning
to gusty onshore (westerly component) by 4-6pm this afternoon and
evening. Light rain showers are likely to accompany frontal passage
this evening. Winds will remain west-northwesterly Sunday.

.TODAY...

Sky/weather.........Sunny (5-30 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....54-57.
Min humidity........25-30 percent.
Wind (20 ft)........East winds 5-10 mph shifting to the
                    southeast 7-12 mph late morning and
                    afternoon, then shifting to southwest to
                    west winds 7-12 mph with gusts of 15-25 mph
                    by 4-6pm.
Ridgetop wind.......East winds 8-12 mph shifting to the
                    southeast 8-12 mph late morning and
                    afternoon, then shifting to southwest to
                    west winds 10-15 mph with gusts of 15-25 mph
                    by 4-6pm.
Mixing height.......Increasing to 3500-4000 ft AGL by afternoon.
Transport winds.....East 8-10 mph, shifting to the south-southeast
                    10-15 mph by late morning and afternoon, then
                    shifting to the west 10-15 mph by 4-6pm.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (40-50 percent). Rain showers
                    likely in the evening.
CWR.................12 percent.
LAL.................1.
Min temperature.....30-33.
Max humidity........72-77 percent.
Wind (20 ft)........West-northwest winds 8-15 mph with gusts of 15-30 mph.
Ridgetop wind.......West-northwest winds 10-17 mph with gusts of 20-35 mph.
Mixing height.......Decreasing to 800-1500 ft AGL overnight.
Transport winds.....West 10-15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....47-50.
Min humidity........35-40 percent.
Wind (20 ft)........West-northwest winds 8-12 mph.
Ridgetop wind.......West-northwest winds 10-15 mph.
Mixing height.......Increasing to 4500-5000 ft AGL late morning and
                    afternoon.
Transport winds.....West 15-20 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Plunkett
Requested by...Joseph P Landburg
Type of request...PRESCRIBED
.TAG 2411033.4/PDT
.DELDT 04/20/24
.FormatterVersion 2.0.0
.EMAIL joseph.landburg@usda.gov