734
FNUS76 KPDT 280051
FWSPDT

Spot Forecast for Little George Units...USFS UMF
National Weather Service Pendleton OR
551 PM PDT Mon May 27 2024

Forecast is based on ignition time of 0800 PDT on May 28.
***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...A cold front will slowly track across Washington on Tuesday with
the timing across southeast Washington between 1300-1500 PDT. There will be isolated
light showers in the morning over the northern Blue Mountains, then an increasing
chance with the frontal passage. While most thunderstorms will develop over the Oregon
Blue Mountains in the afternoon, there is a slight chance one will develop in the
vicinity of the burn site. Winds will increase with the front and remain breezy for
most of Tuesday night and Wednesday. Rainfall amounts with this system will likely
be less than 0.15 inch.


.TUESDAY...

Sky/weather.........Mostly cloudy (60-70 percent). A light shower possible in the
                    morning. 40% chance of showers in the afternoon. A 20% chance of
                    an afternoon thunderstorm.
CWR.................less than 10 percent.
LAL.................1.
Max temperature.....69.
Min humidity........43 percent.
Wind (20 ft)........North 5-8 mph shifting to the West 6-12 mph after 1400 PDT
                    Afternoon gusts around 18 mph. Gusty and erratic winds in the
                    vicinity of thunderstorms.
Ridgetop wind.......North-Northwest 6-12 mph shifting to the West 8-14 mph
                    gusting to 22 mph after 1400 pdt.
Mixing height.......near surface rising to 3500 ft AGL in the afternoon.
Transport winds.....West around 7 mph.
Haines Index........3 (very low).


.TUESDAY NIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
                    likely (70%) in the evening, then 40% chance of rain
                    showers overnight.
CWR.................40 percent.
LAL.................1.
Min temperature.....43-46.
Max humidity........68-73 percent.
Wind (20 ft)........West 10-15 mph with gusts to around 25 mph. Strongest
                    winds in the evening.
Ridgetop wind.......West 12-18 mph gusting to 30 mph.
Mixing height.......lowering to 1500 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........2 (very low).


.WEDNESDAY...

Sky/weather.........Partly sunny (40-50 percent). 20% chance of
                    rain showers in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....52-55.
Min humidity........32-37 percent.
Wind (20 ft)........West 10-15 mph with gusts to around 22 mph.
Ridgetop wind.......West 10-15 with morning gusts to 27 mph.
Mixing height.......3000 ft AGL in the morning rising to 7000 ft AGL in the afternoon.
Transport winds.....West around 20 mph.
Haines Index........3 (very low).


$$

Forecaster...Wister
Requested by...Matthew Dehr
Type of request...PRESCRIBED
.TAG 2415169.0/PDT
.DELDT 05/28/24
.FormatterVersion 2.0.0
.EMAIL tara.mackleit@usda.gov