Suppression Forecast
Issued by NWS Pendleton, OR

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FNUS76 KPDT 211013
FWSPDT

Spot Forecast for Nena Springs...WSA
National Weather Service Pendleton OR
313 AM PDT Mon Aug 21 2017

Forecast is based on request time of 0700 PDT on August 21.
***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 dry and stable northwest flow aloft ahead of a
building upper ridge along the coast will keep dry conditions over
the fire area today and Tuesday with a warming trend.

.TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....85.
Min humidity........17 percent.
Wind (20 ft)........Variable 0-4 mph early becoming upslope/
                    up valley 3-7 mph by afternoon.
Ridgetop wind.......Southeast 1-5 mph becoming northeast 4-9 mph
                    by afternoon.
Mixing height.......Near surface then 6400 ft AGL.
Transport winds.....Becoming southwest 5-10 mph by afternoon.
Haines Index........3 (very low).

.TONIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....61-63.
Max humidity........38-40 percent.
Wind (20 ft)........Becoming drainage 0-4 mph after dark.
Ridgetop wind.......Becoming variable 1-5 mph after dark.
Mixing height.......6400 ft AGL early in the evening then near
                    surface.
Transport winds.....Becoming southwest 1-5 mph after dark.
Haines Index........3 (very low).

.TUESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....87-89.
Min humidity........14-16 percent.
Wind (20 ft)........Upslope/up valley 1-5 mph becoming mostly
                    northwest 3-7 mph in the afternoon.
Ridgetop wind.......Northwest 4-9 mph by afternoon.
Mixing height.......Near surface then 5800-6300 ft AGL.
Transport winds.....Becoming southwest to west 6-12 mph in the
                    afternoon.
Haines Index........4 (low).

$$

Forecaster...Cloutier
Requested by...OPS
Type of request...WILDFIRE
.TAG 1714646.0/PDT
.EMAIL brad.donahue@ctwsbnr.org


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