929
FNUS76 KPDT 141849
FWSPDT

Spot Forecast for Cougar Creek Fire...WADNR NE IMT #1
National Weather Service Pendleton OR
1149 AM PDT Wed Aug 14 2024

Forecast is based on forecast start time of 2200 PDT on August 14.
***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...Dry conditions will persist through today with light
winds across the fire today. Daytime RHs will be moderate with excellent
overnight recoveries. A shortwave will bring enhanced chances for
thunderstorms in the afternoon Thursday (10-15%) with slight chances
(less than 10%) of wetting rains. Winds will be generally less than 7 mph
with gusty and erratic winds near thunderstorms. Friday will see calmer
conditions with light winds and dry conditions.

.REST OF TONIGHT...

Sky/weather.........Clear (0-10 percent). Haze and areas of smoke
                    overnight.
CWR.................0 percent.
LAL.................1.
Min temperature.....54-60.
Max humidity........49-56 percent.
Wind (20 ft)........Light winds overnight.
Ridgetop wind.......North-northwest winds 3 to 5 mph.
Mixing height.......700 ft AGL late in the evening.
Transport winds.....Light winds.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent) then becoming partly sunny
                    (50-60 percent). Haze through the day. Slight
                    chance of showers and thunderstorms in the
                    afternoon.
CWR.................7 percent.
LAL.................3.
Max temperature.....64-75.
Min humidity........37-46 percent.
Wind (20 ft)........Light winds becoming north 5 to 7 mph around
                    2 PM. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Ridgetop wind.......North-northwest winds 3 to 5 mph becoming north
                    around around 2 PM. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Mixing height.......5400 ft AGL early in the morning.
Transport winds.....North around 5 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). Chance of
                    thunderstorms in the evening. Chance of rain
                    showers through the night. Slight chance of
                    thunderstorms overnight.
CWR.................33 percent.
LAL.................3.
Min temperature.....51-56.
Max humidity........67-75 percent.
Wind (20 ft)........West winds 5 to 6 mph shifting to the southwest
                    overnight. Gusty and erratic winds expected
                    near thunderstorms in the evening. Gusty and
                    erratic winds expected near thunderstorms
                    overnight.
Ridgetop wind.......West-northwest winds 7 to 9 mph shifting to the
                    south-southeast near 11 PM. Gusty and erratic winds
                    expected near thunderstorms in the evening. Gusty and
                    erratic winds expected near thunderstorms
                    overnight.
Mixing height.......4200 ft AGL early in the evening.
Transport winds.....Southwest around 6 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (20-30 percent). Slight chance of rain
                    showers.
CWR.................0 percent.
LAL.................1.
Max temperature.....63-74.
Min humidity........41-56 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......South winds 3 to 5 mph.
Mixing height.......6100 ft AGL early in the morning.
Transport winds.....South around 7 mph.
Haines Index........2 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