223
FNUS76 KPDT 102246
FWSPDT

Spot Forecast for Williams Mine...USFS
National Weather Service Pendleton OR
346 PM PDT Sat Aug 10 2024

Forecast is based on forecast start time of 1800 PDT on August 10.
***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...

.TONIGHT...Dry conditions are expected, though an isolated shower
or thunderstorm is possible late this afternoon/very early this evening
(20%). MIN RH values will be around 30 to 35 percent with excellent
overnight recoveries.


Sky/weather.........Mostly clear (5-15 percent). Haze in the
                    evening. Haze early in the morning. An isolated
                    shower or thunderstorm is possible early this evening.
CWR.................1 percent.
LAL.................1.
Min temperature.....53-56.
Max humidity........89-94 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph with gusts
                    15 to 20 mph through around midnight.
Ridgetop wind.......Northwest wind 10 to 15 mph with gusts to around
                    20 mph.
Mixing height.......900 ft AGL.
Transport winds.....Northwest 7 to 14 mph.
Haines Index........2 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............85     76     68     64     59     56
RH..............38     48     62     72     80     85
20 ft wind......NW 8   NW 7   NW 7   NW 5   NW 4   NW 4
20 ft wind gust.14     16     16     11     7      7

.SUNDAY...

Sky/weather.........Sunny (20-30 percent). Haze.
CWR.................1 percent.
LAL.................1.
Max temperature.....83-86.
Min humidity........31-36 percent.
Wind (20 ft)........Light winds becoming west 5 to 8 mph early in
                    the morning.
Ridgetop wind.......Northwest winds 10 to 15 mph early then decreasing to
                    5 to 10 mph.  Winds will shift to the west in the afternoon
                    and increase to around 10 mph.
Mixing height.......Increasing to 5500 ft AGL in the afternoon.
Transport winds.....Northwest 7 to 16 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent). Haze in the
                    evening and overnight.
CWR.................1 percent.
LAL.................1.
Min temperature.....50-53.
Max humidity........88-93 percent.
Wind (20 ft)........West winds 5 to 10 mph gusts to around 15 mph.
Ridgetop wind.......West to northwest winds 10 to 15 mph with gusts to 20 mph
                    developing by morning.
Mixing height.......Decreasing to 1000 ft AGL.
Transport winds.....West 12 to 16 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Nierenberg
Requested by...Mark Henrichs
Type of request...WILDFIRE
.TAG 2419987.0/PDT
.DELDT 08/10/24
.FormatterVersion 2.0.0
.EMAIL mark_henrichs@firenet.gov