Suppression Forecast
Issued by NWS Pendleton, OR

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802
FNUS76 KPDT 221141
FWSPDT

Spot Forecast for Rim Rock...Deschutes NF
National Weather Service Pendleton OR
441 AM PDT Sun Apr 22 2018

Forecast is based on ignition time of 0600 PDT on April 22.
***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 zonal flow will give way to a weak trough to move
across the region by late today and tonight. This will cause some
mid and high clouds. Precipitation is not expected due to a dry
atmosphere. A dry northerly flow will develop behind the cold front
on Monday. There will be a warming trend through the forecast
period.

.TODAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
LAL.................1.
Max temperature.....55-60.
Min humidity........21-26 percent.
Wind (20 ft)........Northeast 1-5 mph becoming northeast 5-10 mph.
Ridgetop wind.......Northeast 3-7 mph becoming northeast 6-12 mph.
Mixing height.......900-1400 ft AGL increasing to 4100-5200 ft AGL
                    late in the morning.
Transport winds.....Light winds becoming north 4-9 mph early after
                    9 AM this morning.
Haines Index........2 to 3 (very low).

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Temp............35     42     49     53     58     51     45
RH..............72     55     40     33     26     35     65
20 ft wind......N 5    N 5    N 7    N 8    N 8    N 6    N 5

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....29-34.
Max humidity........70-75 percent.
Wind (20 ft)........Northeast 3-7 mph becoming southeast 1-5 mph.
Ridgetop wind.......Becoming east 5-10 mph.
Mixing height.......2900-4400 ft AGL decreasing to 500-1300 ft AGL
                    late in the evening.
Transport winds.....North 5-10 mph until early morning, then
                    becoming light.
Haines Index........4 (low).

.MONDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....63-68.
Min humidity........16-21 percent.
Wind (20 ft)........Upslope 1-5 mph becoming northeast 3-7 mph.
Ridgetop wind.......Becoming northeast 4-9 mph.
Mixing height.......500-1000 ft AGL increasing to 3000-3900 ft AGL
                    late in the morning.
Transport winds.....Light winds becoming northeast 5-10 mph late in
                    the morning.
Haines Index........4 (low).

$$

Forecaster...Cloutier
Requested by...Robert Newey
Type of request...PRESCRIBED
.TAG 1807283.0/PDT
.EMAIL rnewey@fs.fed.us



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