706
FNUS76 KPDT 270103
FWSPDT

Spot Forecast for Cold Canal 506...USFS WWF
National Weather Service Pendleton OR
603 PM PDT Thu Sep 26 2024

Forecast is based on forecast start time of 0800 PDT on September 27.
***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 air aloft will result in moderate recoveries tonight
and again Friday night with low humidity values on Friday. It will be a
little warmer on Friday compared to today. Otherwise, light terrain
driven winds can be expected through Friday evening.  Winds aloft will
increase Friday night and Saturday for an uptick in speeds, mainly along
the ridgetops.


.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....72-75.
Min humidity........22-27 percent.
Wind (20 ft)........Downslope (NW) 2-5 mph becoming Upslope (SSE) 3-7 mph
                    after 0900.
Ridgetop wind.......Southwest around 5 mph becoming East-Southeast around 5 mph
                    by mid afternoon.
Mixing height.......rising to 6000 ft AGL after 0900.
Transport winds.....Southwest 8 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Temp............51     63     69     72     71     66
RH..............50     40     28     24     24     30
20 ft wind......NW 4   S 4    S 7    S 7    SSE 7  SSE 4
20 ft wind gust.

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....49-52.
Max humidity........55-60 percent. Moderate recoveries.
Wind (20 ft)........Winds becoming downslope 2-5 mph.
Ridgetop wind.......South 5-8 mph increasing 8-12 mph around sunrise.
Mixing height.......lowering to 500 ft AGL after sunset.
Transport winds.....South-Southwest around 7 mph.
Haines Index........3 or very low potential for large
                    plume dominated fire growth.

.SATURDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....76-79.
Min humidity........19-24 percent.
Wind (20 ft)........South-Southeast 4-8 mph.
Ridgetop wind.......South 10-15 mph.
Mixing height.......5900 ft AGL.
Transport winds.....South 10 mph increasing to 15-20 mph
                    late in the morning.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Wister
Requested by...Todd Pederson
Type of request...WILDFIRE
.TAG 2423116.0/PDT
.DELDT 09/26/24
.FormatterVersion 2.0.0
.EMAIL mark.moeller@usda.gov,todd.pederson@usda.gov