Suppression Forecast
Issued by NWS Pendleton, OR

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045
FNUS76 KPDT 181301
FWSPDT

Spot Forecast for HEAD WATER...SEIMT1
National Weather Service Pendleton OR
601 AM PDT Fri Aug 18 2017

Forecast is based on request time of 0600 PDT on August 18.
***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...High pressure with warm and dry conditions will
continue for the next several days. Today, however, it will be a
little cooler by a few degrees with slightly higher relative
humidity due to a westerly flow bringing in marine air off the
Pacific.

.TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....79.
Min humidity........25 percent.
Wind (20 ft)........Variable 0-4 mph becoming mostly southwest
                    to west 2-6 mph by late morning.
Ridgetop wind.......Becoming northwest 7-13 mph by late morning.
Mixing height.......Near surface then 3600-4200 ft AGL.
Transport winds.....Becoming northwest 7-13 mph.
Haines Index........5 (moderate).

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....58-60.
Max humidity........62-64 percent.
Wind (20 ft)........Increasing to mostly west 7-13 mph early in the
                    evening, then decreasing to drainage 0-4 mph after
                    midnight.
Ridgetop wind.......Increasing to northwest 9-16 mph early in the
                    evening, then decreasing to northwest 2-6 mph
                    after midnight.
Mixing height.......4200 ft AGL decreasing to near surface after
                    midnight.
Transport winds.....Northwest 10-18 mph early becoming variable 1-5 mph
                    after midnight.
Haines Index........4 (low).

.SATURDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....75-80.
Min humidity........28-33 percent.
Wind (20 ft)........Mostly west to southwest 3-7 mph by afternoon.
Ridgetop wind.......West 5-10 mph.
Mixing height.......800-1800 ft AGL increasing to 6000 ft AGL.
Transport winds.....Becoming northwest 6-12 mph by afternoon.
Haines Index........3 (very low).

$$

Forecaster...Cloutier
Requested by...Gary Duranceau
Type of request...WILDFIRE
.TAG 1714543.0/PDT
.EMAIL g.duranceau@comcast.net



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