536
FNUS76 KPDT 122338
FWSPDT

Spot Forecast for Williams Mine...Klickitat County Fire District 1
National Weather Service Pendleton OR
438 PM PDT Mon Aug 12 2024

Forecast is based on forecast start time of 1800 PDT on August 12.
***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...With the front passed through the region, look for
cooler temperatures as lows dip back into the 40`s overnight
and highs in the 70`s. This will also aid RH values, with daytime
minimums in the 40`s and overnight recoveries very excellent, near
to 100%. Winds should remain mostly west to northwesterly at around
5 to 10 mph with some breezes around 20 mph, becoming light by
Tuesday night.

.TONIGHT...

Sky/weather.........Partly cloudy (40-60 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....45-48.
Max humidity........95-100 percent.
Wind (20 ft)........West-northwest winds 5 to 10 mph with gusts to
around 20 mph in the evening.
Ridgetop wind.......Northwest winds 6 to 12 mph with gusts to around
22 mph.
Mixing height.......3000 ft AGL early in the evening becoming 1500 ft AGL
overnight.
Transport winds.....Northwest 13 to 17 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Temp............71     65     58     54     51     48
RH..............44     57     71     80     88     93
20 ft wind......W 8    W 8    W 8    W 8    W 6    W 6
20 ft wind gust.19     18     18     18     18     18

.TUESDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....72-75.
Min humidity........41-46 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph. Gusts up to 22 mph.
Ridgetop wind.......Northwest winds 6 to 12 mph. Gusts up to 24 mph.
Mixing height.......4000 ft AGL.
Transport winds.....Northwest 13 to 18 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....46-49.
Max humidity........95-100 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph with gusts to around
                    20 mph in the evening, becoming light and drainage
overnight.
Ridgetop wind.......Northwest winds 6 to 12 mph with gusts to around
22 mph in the evening, becoming light and drainage
overnight.
Mixing height.......3000 ft AGL early in the evening becoming 1400 ft AGL
overnight.
Transport winds.....Northwest 10 to 18 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Goatley
Requested by...Mark Henrichs
Type of request...WILDFIRE
.TAG 2419988.1/PDT
.DELDT 08/12/24
.FormatterVersion 2.0.0
.EMAIL mark_henrichs@firenet.gov