405
FNUS76 KPDT 112356
FWSPDT

Spot Forecast for Williams Mine...Klickitat County Fire District 1
National Weather Service Pendleton OR
456 PM PDT Sun Aug 11 2024

Forecast is based on forecast start time of 1800 PDT on August 11.
***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 westerly to occasionally northwesterly pattern
will dominate the flow through Monday, with a tightening pressure
gradient bringing gusty conditions around 20-25 mph beginning late
tomorrow morning into the beginning of the afternoon and
continuing through the overnight hours. No precipitation is expected,
with minimum humidities only into the 30% range and overnight recoveries
excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent). Haze in the
                    evening.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........92-97 percent.
Wind(20 ft).........West-northwest winds 5 to 8 mph.
Ridgetop wind.......West winds 5 to 10 mph.
Mixing height.......1000 ft AGL.
Transport winds.....Northwest 10 to 14 mph.
Haines Index........2 to 3 or very low potential for large
plume dominated fire growth.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Temp............81     72     64     60     56     52
RH..............42     55     69     79     85     88
20 ft wind......W 7    NW 6   NW 6   W 5    W 5    W 5
20 ft wind gust.14     13     13     11     11     11

.MONDAY...

Sky/weather.........Mostly sunny (35-45 percent). Haze late in the
                    afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....76-79.
Min humidity........31-36 percent.
Wind (20 ft)........West winds 5 to 10 mph. Gusts up to 22 mph beginning
by noon.
Ridgetop wind.......West winds 6 to 12 mph with gusts to around 25 mph.
Mixing height.......4000 ft AGL.
Transport winds.....West 12 to 18 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). Haze early in
                    the evening.
CWR.................0 percent.
LAL.................1.
Min temperature.....45-48.
Max humidity........93-98 percent.
Wind (20 ft)........West winds 5 to 10 mph with gusts to around 20
                    mph.
Ridgetop wind.......West winds 6 to 12 mph with gusts to around 24
mph.
Mixing height.......1200 ft AGL.
Transport winds.....Northwest 13 to 18 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Goatley
Requested by...Mark Henrichs
Type of request...WILDFIRE
.TAG 2419988.0/PDT
.DELDT 08/11/24
.FormatterVersion 2.0.0
.EMAIL mark_henrichs@firenet.gov