529
FNUS76 KPDT 111235
FWSPDT

Spot Forecast for Larch Creek Fire...ODF
National Weather Service Pendleton OR
535 AM PDT Thu Jul 11 2024

Forecast is based on forecast start time of 0600 PDT on July 11.
***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...High pressure remains over the region but a
little cooler today with low humidities. Winds will be light
this morning then expect winds to increase around midday and
peak in the afternoon through evening before decreasing
overnight.

.TODAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....90-93.
Min humidity........17-22 percent.
Wind (20 ft)........Southwest winds 4 to 8 mph shifting to the
                    northwest 8 to 15 mph in the afternoon.
Ridgetop wind.......West to northwest 10 to 15 mph.
Mixing height.......5000 ft AGL.
Transport winds.....West to northwest around 15 mph.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM    6 PM
Temp............60     71     82     88     90     91      89
RH..............38     35     28     23     23     22      22
20 ft wind......SW 6   W 5    W 7    NW 9   NW 12  NW 14   NW 14
20 ft wind gust.7      7      10     15     18     22      22

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....55-60.
Max humidity........45-55 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph through the
                    evening then shifting to southwest 4 to 8 mph
                    overnight.
Ridgetop wind.......Northwest 10 to 15 mph becoming west
                    5 to 10 mph overnight
Mixing height.......5000 ft AGL in the evening then near surface.
Transport winds.....Northwest around 15 mph shifting to southwest
                    to west 5 to 10 mph overnight.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....91-94.
Min humidity........15-20 percent.
Wind (20 ft)........Southwest winds 4 to 8 mph shifting to the
                    northwest 8 to 15 mph in the afternoon.
Ridgetop wind.......West to northwest 10 to 15 mph.
Mixing height.......4000 ft AGL.
Transport winds.....West around 10 mph then becoming northwest
                    10 to 15 mph midday.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

$$
Forecaster...Solomon
Requested by...Jeremy Goers
Type of request...WILDFIRE
.TAG 2417792.0/PDT
.DELDT 07/11/24
.FormatterVersion 2.0.0
.EMAIL waccc@firenet.gov