102
FNUS76 KPDT 152152
FWSPDT

Spot Forecast for Cougar Creek Fire...WADNR NE IMT #1
National Weather Service Pendleton OR
252 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 brief break in activity is expected for Friday
with dry and stable conditions across the fire. Winds will be
primarily below 5 to 7 mph and shifting from the north-northwest
to the north around 5PM then decreasing and becoming light (less
than 5 mph). A system will move across the area Saturday bringing
east winds in the early morning before shifting to the south
and increasing to near 10 mph with gusts to 17 mph likely.
Daytime RH will be moderate/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 around 5 PM
                    becoming light.
Ridgetop wind.......North winds around 8 mph 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 08/15/24
.FormatterVersion 2.0.0
.EMAIL eric.krausz@dnr.wa.gov