162
FNUS76 KPDT 241516
FWSPDT

Spot Forecast for Puderbaugh 502 Rx...USFS
National Weather Service Pendleton OR
816 AM PDT Tue Sep 24 2024

Forecast is based on ignition time of 0800 PDT on September 24.
***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...Conditions over the fire area today will remain
dry with good daytime RHs between 27-32% with moderate overnight
recoveries between 51-56%. Winds will be from the south through
the day at 7 to 13 mph and remaining as such through tonight. An
upper level trough will roll across the area later in the day
Wednesday with increased winds ahead of the front and sustained
winds of 10 to 20 mph and instability which brings with it 15%
chances of thunderstorms beginning near 5 PM Wednesday.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-77.
Min humidity........27-32 percent.
Wind (20 ft)........South winds 7 to 13 mph.
Ridgetop wind.......South winds 10 to 15 mph.
Mixing height.......3400 ft AGL.
Transport winds.....South 9 to 17 mph increasing to 15 to 20 mph
                    late in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Temp............52     65     71     74     74     71
RH..............64     44     39     36     32     37
20 ft wind......S 7    S 7    S 11   S 13   S 13   S 11
20 ft wind gust.10     10     16     17     17     16

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....53-56.
Max humidity........51-56 percent.
Wind (20 ft)........South winds 7 to 13 mph.
Ridgetop wind.......South winds 10 to 15 mph.
Mixing height.......1200 ft AGL early in the evening.
Transport winds.....South 10 to 15 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...

Sky/weather.........Sunny (15-25 percent) then becoming partly
                    sunny (45-55 percent). Chance of rain showers
                    and slight chance of thunderstorms late in the
                    afternoon.
CWR.................0 percent.
LAL.................1 until 1700, then 2.
Max temperature.....Around 80.
Min humidity........17-22 percent.
Wind (20 ft)........South winds 10 to 20 mph. Gusty and erratic
                    winds expected near thunderstorms around 5 PM.
Ridgetop wind.......South winds 15 to 25 mph. Gusty and erratic
                    winds expected near thunderstorms around 5 PM.
Mixing height.......7100 ft AGL early in the morning.
Transport winds.....South 10 to 17 mph increasing to 23 to 29 mph
                    late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Bennese
Requested by...Todd Pederson
Type of request...PRESCRIBED
.TAG 2422867.1/PDT
.DELDT 09/24/24
.FormatterVersion 2.0.0
.EMAIL todd.pederson@usda.gov