486
FNUS76 KPDT 230031
FWSPDT

Spot Forecast for Puderbaugh 502 Rx...USFS
National Weather Service Pendleton OR
531 PM PDT Sun Sep 22 2024

Forecast is based on ignition time of 0800 PDT on September 23.
***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 aloft will build over the region
Monday, resulting in warming and drying trend into Tuesday.
Winds will be from the north Monday and through the overnight
hours, then turning to the south Tuesday morning.

.MONDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....69-72.
Min humidity........33-38 percent.
Wind (20 ft)........North winds 5 to 8 mph.
Ridgetop wind.......North winds 5 to 10 mph.
Mixing height.......4000 ft AGL.
Transport winds.....North 10 to 13 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............48     58     64     67     69     65
RH..............63     49     45     41     38     44
20 ft wind......N 6    N 6    N 7    N 7    N 7    N 8
20 ft wind gust.7      7      8      10     10     10

.MONDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....49-52.
Max humidity........68-73 percent.
Wind (20 ft)........North winds 5 to 8 mph.
Ridgetop wind.......North winds 5 to 8 mph.
Mixing height.......1600 ft AGL early in the evening.
Transport winds.....North 5 to 12 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-77.
Min humidity........28-33 percent.
Wind (20 ft)........Northeast winds 5 to 7 mph shifting to the
                    south 5 to 10 mph after 10AM.
Ridgetop wind.......North winds 5 to 8 mph shifting to the south
5 to 10 mph after 8AM.
Mixing height.......3500 ft AGL late in the morning.
Transport winds.....Northeast around 5 mph shifting to the south 5
                    to 13 mph early in the morning, then increasing
                    to 16 to 17 mph late in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Todd Pederson
Type of request...PRESCRIBED
.TAG 2422867.0/PDT
.DELDT 09/22/24
.FormatterVersion 2.0.0
.EMAIL todd.pederson@usda.gov