314
FNUS76 KPDT 152044
FWSPDT

Spot Forecast for Cougar Creek Fire...WADNR NE IMT #1
National Weather Service Pendleton OR
144 PM PDT Thu Aug 15 2024

Forecast is based on forecast start time of 2200 PDT on August 15.
***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...A weather disturbance moving across the region will
cause scattered showers this afternoon. There is a 15-20% chance
of a thunderstorm in the vicinity but most of the storms will be
off to the east. Winds will be primarily form the west and less
than 5 mph this evening except near thunderstorms. Winds will
remain below 5 mph until Saturday when winds will shift to the east
and increase to between 8 and 10 mph with gusts to 17 mph. Daytime
RH values will be good with excellent overnight recoveries.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (45-55 percent). Chance of
                    showers and thunderstorms overnight.
CWR.................9 percent.
LAL.................3.
Min temperature.....50-55.
Max humidity........75-81 percent.
Wind (20 ft)........West winds around 5 mph overnight. Gusty and
                    erratic winds expected near thunderstorms
                    overnight.
Ridgetop wind.......West winds around 8 mph overnight. Gusty and
                    erratic winds expected near thunderstorms
                    overnight
Mixing height.......1800 ft AGL late in the evening.
Transport winds.....Southwest around 5 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....63-73.
Min humidity........38-53 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......North-northwest winds 5 mph.
Mixing height.......5900 ft AGL early in the morning.
Transport winds.....Southwest around 7 mph.
Haines Index........2 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.....54-59.
Max humidity........57-69 percent.
Wind (20 ft)........North winds around 5 mph in the around 5 PM
                    becoming light.
Ridgetop wind.......North winds around 8 mph in the around 5 PM
                    becoming 5 mph overnight.
Mixing height.......700 ft AGL in the evening.
Transport winds.....Northeast around 5 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....73-84.
Min humidity........25-33 percent.
Wind (20 ft)........Light winds becoming east 8 to 10 mph with gusts
                    to around 17 mph around 4 PM.
Ridgetop wind.......East winds 5 mph increasing to 8 to 12 mph with
                    gusts to 20 mph around 4 PM.
Mixing height.......8000 ft AGL late in the morning.
Transport winds.....Southeast around 9 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Bennese
Requested by...Eric Krausz
Type of request...WILDFIRE
.TAG 2420229.0/PDT
.DELDT 08/14/24
.FormatterVersion 2.0.0
.EMAIL eric.krausz@dnr.wa.gov