Spot Forecast
Issued by NWS Pendleton, OR

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053
FNUS76 KPDT 281845
FWSPDT

Spot Forecast for Pine Flats Rx Burn...Mount Adams Resource Stewards
National Weather Service Pendleton OR
1145 AM PDT Tue May 28 2024

Forecast is based on ignition time of 2000 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...Cold front has passed across the region and will
promote breezy westerly winds through Thursday. Northwesterly
flow should be mostly dry for the region from rain shadowing of
the Cascades, but a slight chance of some showers Wednesday
morning can`t be ruled out but would be quick and brief at best.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....36-39.
Max humidity........83-88 percent.
Wind (20 ft)........West winds 5 to 12 mph. Gusts up to 35 mph
                    decreasing to 23 mph early Wednesday morning.
Ridgetop wind.......West winds 10 to 16 mph with gusts to 40 mph
decreasing to 25 mph early Wednesday morning.
Mixing height.......700 ft AGL.
Transport winds.....West 6 to 15 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
                    rain showers early in the morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 60.
Min humidity........45-50 percent.
Wind (20 ft)........West winds 5 to 14 mph with gusts to around 26
                    mph.
Ridgetop wind.......West winds 6 to 16 mph with gusts to around 30
mph.
Mixing height.......6200 ft AGL.
Transport winds.....West 6 to 13 mph increasing to 16 to 17 mph
                    late in the morning.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.


TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Temp............36  38  42  44  49  52  54  55  56  57  57  57
RH..............85  84  75  70  64  58  54  52  51  50  50  51
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..8   8   11  11  11  13  13  13  14  14  14  14
20 FT wind gust.18  18  21  21  21  22  22  22  25  25  25  26


.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....32-35.
Max humidity........84-89 percent.
Wind (20 ft)........West winds 5 to 14 mph. Gusts up to 32 mph.
Ridgetop wind.......West winds 6 to 16 mph. Gusts up to 35 mph.
Mixing height.......1200 ft AGL.
Transport winds.....West 7 to 16 mph shifting to the northwest 5 to
                    6 mph overnight.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........32-37 percent.
Wind (20 ft)........West winds 5 to 7 mph increasing to 5 to 11 mph
                    with gusts to around 20 mph late in the morning.
Ridgetop wind.......West winds 6 to 12 mph increasing to 8 to 16 mph
with gusts to around 25 mph late in the morning.
Mixing height.......4300 ft AGL.
Transport winds.....Northwest around 5 mph early in the morning
                    becoming light, then becoming southwest 7 to 9
                    mph late in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Goatley
Requested by...Lucas King
Type of request...PRESCRIBED
.TAG 2415207.0/PDT
.DELDT 05/28/24
.FormatterVersion 2.0.0
.EMAIL lucas@mtadamsstewards.org