390
FNUS76 KPDT 040123
FWSPDT

Spot Forecast for Barker Rd Fire...City of Walla Walla
National Weather Service Pendleton OR
623 PM PDT Wed Jul 3 2024

Forecast is based on forecast start time of 1800 PDT on July 03.
***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.

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON FRIDAY TO 10 PM PDT
TUESDAY...

.DISCUSSION...Overall quiet weather-wise save for the upcoming
heat wave, which could last for at least the next week. Winds will
be light and terrain-driven, pulling mainly out of the Southwest
tonight, before becoming more westerly tomorrow onward during the
day and easterly overnight.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....55-58.
Max humidity........52-57 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph.
Ridgetop wind.......Southwest winds around 8 mph.
Mixing height.......7000 ft AGL early in the evening, then near-
                    surface overnight.
Transport winds.....West winds around 8 mph shifting to the
                    South-Southwest overnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Temp............87     82     72     64     60     57
RH..............18     22     31     39     46     53
20 ft wind......SW 8   SW 7   SW 7   SW 5   SW 4   SW 4

.INDEPENDENCE DAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....92-95.
Min humidity........8-13 percent.
Wind (20 ft)........West winds 5 to 8 mph shifting more Northwest
                    by the late afternoon.
Ridgetop wind.......West winds around 8 mph shifting more South by
                    the evening.
Mixing height.......7700 ft AGL by the afternoon.
Transport winds.....Southwest winds around 8 mph shifting more
                    West-Northwest by the late afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.THURSDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....56-59.
Max humidity........46-51 percent.
Wind (20 ft)........West-Northwest winds 5 to 7 mph in the evening
                    shifting to the Southeast around 5 mph overnight.
Ridgetop wind.......South winds around 6 mph early in the evening,
                    shifting to the East overnight.
Mixing height.......6000 ft AGL early in the evening, then near-
                    surface overnight.
Transport winds.....Northwest around 6 mph shifting to the
                    Southeast overnight.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 100.
Min humidity........7-12 percent.
Wind (20 ft)........South winds around 5 mph early, becoming West
                    5 to 8 mph late in the morning.
Ridgetop wind.......Northeast winds around 8 mph early, shifting more
                    North and then West throughout the day.
Mixing height.......8200 ft AGL by the afternoon.
Transport winds.....South-Southeast 4 to 6 mph early, shifting to
                    the West-Northwest 5 to 8 mph by the afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Evans
Requested by...Brandon McKinney
Type of request...WILDFIRE
.TAG 2417362.0/PDT
.DELDT 07/03/24
.FormatterVersion 2.0.0
.EMAIL bmckinney@wallawallawa.gov