Suppression Forecast
Issued by NWS Pendleton, OR

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000
FNUS76 KPDT 241558
FWSPDT

Spot Forecast for High Desert Museum Rx...USFS DEF
National Weather Service Pendleton OR
858 AM PDT Thu May 24 2018

Forecast is based on ignition time of 0900 PDT on May 24.
***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...The atmosphere remains moist and unstable, and there
will be another round of widely scattered showers and isolated
thunderstorms in central Oregon today. Storms that develop will be
slow moving with the potential for heavy rain. There will be a
better potential for showers and thunderstorms on Friday and some
storms could be strong with heavy rain, hail, and gusty outflow
winds.


.REST OF TODAY...

Sky/weather.........Becoming mostly cloudy. A chance of showers and a
                    slight chance of thunderstorms after 1300.
CWR.................0 percent increasing to 50 percent.
LAL.................1 increasing to 2 after 1300.
Max temperature.....72.
Min humidity........38 percent.
Wind (20 ft)........West 3-6 mph shifting to the Northwest 5-10 mph after
                    1500. Gusty and erratic winds expected near
                    thunderstorms.
Ridgetop wind.......Light and variable becoming Northwest 6-12 mph after
                    1500.
Mixing height.......2000 ft AGL increasing to 6500 ft AGL late
                    in the morning.
Transport winds.....West 5-7 mph shifting to the north
                    around 5 mph late in the afternoon.
Haines Index........2 to 3 (very low).

TIME (PDT)      10A   12P   2PM   4PM   6PM   8PM
Temp............65    71    72    71    67    63
RH..............63    41    38    42    50    59
20 FT wind dir..W     W     WNW   NW    NW    NW
20 FT wind spd..5     6     6     8     10    10

.TONIGHT...

Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of
                    thunderstorms in the evening. Rain showers likely early
                    in the morning.
CWR.................50 percent decreasing to 10 percent late in the
                    evening, then increasing to 70 percent early in
                    the morning.
LAL.................2 decreasing to 1 late in the evening.
Min temperature.....53.
Max humidity........95 percent.
Wind (20 ft)........Northwest winds 8-10 mph decreasing to 2-5 mph late in
                    the evening. Gusty and erratic winds expected near
                    thunderstorms in the evening.
Ridgetop wind.......Northwest winds 8-12 mph.
Mixing height.......6500 ft AGL decreasing to 1500 ft AGL.
Transport winds.....North 5 to 10 mph.
Haines Index........2 to 3 (very low).

.FRIDAY...

Sky/weather.........Cloudy. Rain showers. A slight chance of
                    thunderstorms.
CWR.................80 percent decreasing to 50 percent late in the
                    afternoon.
LAL.................2.
Max temperature.....61.
Min humidity........65 percent.
Wind (20 ft)........Northwest winds 5-12 mph. Gusty and erratic
                    winds expected near thunderstorms early in the
                    afternoon.
Ridgetop wind.......Northwest 10-15 mph.
Mixing height.......1500 ft AGL increasing to 3500 ft AGL in the afternoon.
Transport winds.....Northwest 10 to 15 mph.
Haines Index........2 (very low).

$$
Forecaster...Wister
Requested by...Alex Enna
Type of request...PRESCRIBED
.TAG 1810493.1/PDT
.EMAIL aenna@fs.fed.us



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