496
FNUS76 KPDT 260130
FWSPDT

Spot Forecast for Puderbaugh 502 Rx...USFS
National Weather Service Pendleton OR
630 PM PDT Wed Sep 25 2024

Forecast is based on ignition time of 0800 PDT on September 26.
***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 with south winds will prevail
through Friday as weak high pressure aloft builds from the
south. Temperatures will be warming back into the mid 70s
Friday afternoon, with afternoon RHs in the mid to upper 20s.
Overnight recovery will moderate.

.THURSDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....66-69.
Min humidity........26-31 percent.
Wind (20 ft)........Light winds becoming south 5 to 8 mph late in
                    the morning.
Ridgetop wind.......North winds around 5 mph shifting to the south
5 to 10 mph after 11AM.
Mixing height.......3700 ft AGL.
Transport winds.....Light winds becoming south 9 to 13 mph late in
                    the morning.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
Temp............46  49  54  57  60  63  65  66  66  66  64  62
RH..............88  74  60  51  45  37  31  28  28  30  33  37
20 FT wind dir..SE  SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind spd..3   3   3   8   8   8   8   8   8   8   8   8
20 FT wind gust.6   6   6   10  10  10  12  12  12  11  11  11

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........59-64 percent.
Wind (20 ft)........South winds 5 to 8 mph.
Ridgetop wind.......South winds 5 to 10 mph.
Mixing height.......1600 ft AGL early in the evening.
Transport winds.....South 6 to 9 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-77.
Min humidity........23-28 percent.
Wind (20 ft)........South winds 5 to 8 mph.
Ridgetop wind.......South winds 5 to 10 mph.
Mixing height.......4600 ft AGL late in the morning.
Transport winds.....South 6 to 12 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Todd Pederson
Type of request...PRESCRIBED
.TAG 2423061.0/PDT
.DELDT 09/25/24
.FormatterVersion 2.0.0
.EMAIL todd.pederson@usda.gov