923
FNUS76 KPDT 102152
FWSPDT

Spot Forecast for ANNA BELL...DNR
National Weather Service Pendleton OR
252 PM PDT Sat Aug 10 2024

Forecast is based on forecast start time of 1500 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.

...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.DISCUSSION...Another round of isolated thunderstorms are
expected to impact the fire area through late this afternoon.
Thunderstorms are beginning to develop to the south of the fire
area, with development still expected near the fire area through
5PM, with storms moving out of the area afterwards. Gusty erratic
winds, small hail, frequent lightning, and brief downpours will
be possible with any storms. Storm activity will stay to the east
of the fire area tonight through Sunday. Inversions will develop
begin developing between 10-11PM, then lifting at around 10AM
Sunday morning. Overnight drainage winds will shift to the west
after 10AM at around 5 to 8 mph, with mainly northwest winds
along the ridgetop at around 5 to 10 mph.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent). Haze. Slight chance of
                    showers and thunderstorms.
CWR.................5 percent.
LAL.................2.
Max temperature.....83-86.
Min humidity........29-34 percent.
Wind (20 ft)........West winds 5 to 8 mph. Gusty and erratic winds
                    expected near thunderstorms.
Ridgetop wind.......Northwest winds 7 to 12 mph.
Mixing height.......6600 ft AGL.
Transport winds.....West around 14 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent). Haze.
CWR.................1 percent.
LAL.................1.
Min temperature.....Around 60.
Max humidity........75-80 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph becoming light
drainage winds after 11PM.
Ridgetop wind.......Northwest winds 7 to 12 mph becoming 5 to 8 mph
after 11PM.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 8 to 16 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.SUNDAY...

Sky/weather.........Mostly sunny (20-30 percent). Haze in the
                    morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....80-83.
Min humidity........33-38 percent.
Wind (20 ft)........Drainage winds becoming west 5 to 8 mph after
10AM.
Ridgetop wind.......Northwest winds 5 to 8 mph shifting to the west
after 11AM.
Mixing height.......6300 ft AGL early in the morning.
Transport winds.....West 5 to 13 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Scott Sprague
Type of request...WILDFIRE
.TAG 2420041.0/PDT
.DELDT 08/10/24
.FormatterVersion 2.0.0
.EMAIL wacwc@firenet.gov