979
FNUS76 KPDT 140353
FWSPDT

Spot Forecast for Lone Rock...OR State Fire Marshall
National Weather Service Pendleton OR
853 PM PDT Sat Jul 13 2024

Forecast is based on forecast start time of 2100 PDT on July 13.
***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.

...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT SUNDAY...
...RED FLAG WARNING FOR WIND AND LOW RH IN EFFECT FROM 11 AM
TO 9 PM PDT SUNDAY...

.DISCUSSION...Dry and warm conditions will prevail the next
several days as high pressure aloft continues to sit over the
region. Breezy west winds will develop late in the morning tomorrow,
with light southwest winds redeveloping in the overnight period.
Breezy west winds will redevelop Monday afternoon, but are not
anticipated to be as strong as Sunday. Afternoon RHs will be in
the single digits to lower teens, with poor overnight recoveries.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....66-69.
Max humidity........36-41 percent.
Wind (20 ft)........Northwest winds 6 to 11 mph shifting to the
west late in the evening, then shifting to
                    the southwest 5 to 8 mph overnight.
Ridgetop wind.......West winds 7 to 12 mph shifting to the
southwest 5 to 10 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....West around 9 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SUNDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....94-97.
Min humidity........8-13 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
                    west 10 to 17 mph with gusts to around 23 mph
                    in the afternoon.
Ridgetop wind.......Southwest winds 5 to 10 mph shifting to the
west 13 to 20 mph with gusts up to 30 mph
in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....60-63.
Max humidity........35-40 percent.
Wind (20 ft)........Northwest winds 11 to 18 mph shifting to the
                    southwest 6 to 11 mph overnight.
Ridgetop wind.......West winds 13 to 17 mph shifting to the
southwest 8 to 13 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....West around 13 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.MONDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....92-95.
Min humidity........8-13 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
                    west 9 to 14 mph in the afternoon.
Ridgetop wind.......Southwest winds 8 to 13 mph turning to the
west 10 to 17 mph in the afternoon.
Mixing height.......6600 ft AGL.
Transport winds.....West around 12 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Mike Renault
Type of request...WILDFIRE
.TAG 2417996.0/PDT
.DELDT 07/13/24
.FormatterVersion 2.0.0
.EMAIL michial.renault@osfm.oregon.gov