851
FNUS76 KPDT 171832
FWSPDT

Spot Forecast for Cougar Creek Fire...WADNR NE IMT #1
National Weather Service Pendleton OR
1132 AM PDT Sat Aug 17 2024

Forecast is based on forecast start time of 2200 PDT on August 17.
***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...After today the threat of thunderstorms and rain will
diminish leaving the fire area under mostly clear and drier
conditions beginning Sunday. Winds will decrease and be out of the
southwest at 5 to 7 mph before shifting to the southeast at 5 mph
around 4 PM. Daytime RHs will be moderate ranging from 30-40%. Sunday
 night winds will shift to the north northwest and remain between 5
to 7 mph overnight. Overnight recoveries will be good ranging
46-51%. Monday winds will be quite to start before shifting to the
north at at 5 to 6 mph and daytime RHs of 30-37%.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....53-59.
Max humidity........57-62 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph with gusts to
                    around 17 mph overnight.
Ridgetop wind.......Southwest winds 7 to 12 mph with gusts to
                    around 20 mph overnight.
Mixing height.......1500 AGL overnight.
Transport winds.....Southwest around 9 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....68-79.
Min humidity........30-40 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph shifting to the
                    north around 5 mph in the around 2 PM.
Ridgetop wind.......Southwest winds 7 to 9 mph shifting to the
                    north around 7 mph in the around 4 PM.
Mixing height.......5700 ft AGL early in the morning.
Transport winds.....Southwest around 11 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SUNDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....55-60.
Max humidity........46-51 percent.
Wind (20 ft)........North winds 5 to 7 mph shifting to the
                    northwest around  mph around 5 PM and
                    remaining overnight.
Ridgetop wind.......North winds 7 to 9 mph shifting to the
                    northwest around 7 mph around 5 PM and
                    remaining overnight.
Mixing height.......500 ft AGL in the evening.
Transport winds.....Northwest around 8 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....70-81.
Min humidity........30-37 percent.
Wind (20 ft)........Light winds becoming north 5 to 6 mph around
                    11 AM
Ridgetop wind.......Southwest winds 3 to 5 mph becoming north around
                    11 AM.
Mixing height.......5200 ft AGL late in the morning.
Transport winds.....South around 7 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Bennese
Requested by...Eric Krausz
Type of request...WILDFIRE
.TAG 2420229.1/PDT
.DELDT 08/17/24
.FormatterVersion 2.0.0
.EMAIL eric.krausz@dnr.wa.gov