238
FNUS76 KPDT 152145
FWSPDT

Spot Forecast for Lonerock...USFS
National Weather Service Pendleton OR
245 PM PDT Thu Aug 15 2024

Forecast is based on forecast start time of 0600 PDT on August 16.
***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.

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.DISCUSSION...A brief break in activity is expected for Friday
with dry and stable conditions across the fire. Winds will be
primarily below 8 knots and shifting from the southwest to the
north around 5PM then again to the northeast around 11 PM through
the overnight hours. A system will move across the area Saturday
bringing east winds in the early morning before shifting to the south
and increasing to near 12 mph. Daytime RH will be poor/moderate with
excellent overnight recoveries.

.FRIDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....72-83.
Min humidity........24-35 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph through around 5 PM.
Ridgetop wind.......Southwest winds 7 to 9 mph through around 5 PM.
Mixing height.......6100 ft AGL early in the morning.
Transport winds.....Southwest around 9 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....54-57.
Max humidity........55-65 percent.
Wind (20 ft)........North winds 5 to 6 mph shifting to the
                    northeast around 11 PM and remaining overnight.
Ridgetop wind.......North winds 5 to 6 mph shifting to the
                    northeast around 11 PM and remaining overnight.
Mixing height.......4100 ft AGL early in the evening.
Transport winds.....North around 8 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...

Sky/weather.........Sunny (10-20 percent). Chance of rain showers
                    in the afternoon.
CWR.................15 percent.
LAL.................1.
Max temperature.....80-90.
Min humidity........19-30 percent.
Wind (20 ft)........Light east winds until 11 AM switching to south 5 to 6
                    then increasing to 12 mph around 2 PM.
Ridgetop wind.......East winds 3 to 5
Mixing height.......7800 ft AGL late in the morning.
Transport winds.....Southeast around 12 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Bennese
Requested by...Kristen Marshall
Type of request...WILDFIRE
.TAG 2420349.0/PDT
.DELDT 08/15/24
.FormatterVersion 2.0.0
.EMAIL kristen.marshall@usda.gov