659
FNUS76 KPDT 050226
FWSPDT

Spot Forecast for South Fork Fire...USDA Forest Service
National Weather Service Pendleton OR
726 PM PDT Thu Jul 4 2024

Forecast is based on forecast start time of 0600 PDT on July 05.
***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.

...HEAT ADVISORY IN EFFECT FROM NOON FRIDAY TO 10 PM PDT
THURSDAY...

.DISCUSSION...Dry and hot conditions will persist at the site as
high pressure continues to move over the region. Could see some
light to moderate breezes along the ridgetops Friday and Saturday
afternoon out of the northwest, however winds are generally
expected to be light and terrain-driven.

.FRIDAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....85-88.
Min humidity........15-20 percent.
Wind (20 ft)........Upslope (East) winds 2 to 6 mph.
Ridgetop wind.......Northwest around 8 mph.
Mixing height.......7100 ft AGL by the afternoon.
Transport winds.....Northwest around 8 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....61-64.
Max humidity........31-36 percent.
Wind (20 ft)........Downslope (West) winds 3 to 7 mph.
Ridgetop wind.......Northwest around 12 mph, decreasing to
                    around 7 mph overnight.
Mixing height.......6000 ft AGL early in the evening, then near-
                    surface overnight.
Transport winds.....Northwest around 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....85-88.
Min humidity........13-18 percent.
Wind (20 ft)........Upslope (East) winds 2 to 6 mph.
Ridgetop wind.......East winds 5 to 10 mph.
Mixing height.......7300 ft AGL by the afternoon.
Transport winds.....Northwest around 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Evans
Requested by...Austin Betts
Type of request...WILDFIRE
.TAG 2417149.12/PDT
.DELDT 07/04/24
.FormatterVersion 2.0.0
.EMAIL Austin.betts@usda.gov, Dalton.Loveless@usda.gov