169
FNUS76 KPDT 261713
FWSPDT

Spot Forecast for Rainwater Rx...Bureau of Indian Affairs - Umatilla Agency
National Weather Service Pendleton OR
1013 AM PDT Thu Sep 26 2024

Forecast is based on ignition time of 1000 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...Warm, dry conditions are forecast through the
remainder of the week. Diurnally and terrain-driven winds
will prevail.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent). Haze and patchy smoke.
CWR.................0 percent.
LAL.................1.
Max temperature.....64-67.
Min humidity........31-36 percent.
Wind (20 ft)........Southwest winds 5-10 mph, gusting to 15 mph.
Ridgetop wind.......Southwest winds 5-10 mph, gusting to 15 mph.
Mixing height.......Increasing to 2900-3300 ft AGL by afternoon.
Transport winds.....Southwest 5 to 12 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (PDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Temp............49     56     61     63     62     58
RH..............59     46     38     36     40     51
20 ft wind......SW 10  SW 10  W 8    W 8    S 4    S 8
20 ft wind gust.12     12     12     12     5

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Haze and patchy
                    smoke.
CWR.................0 percent.
LAL.................1.
Min temperature.....49-52.
Max humidity........49-54 percent.
Wind (20 ft)........Becoming south 5-10 mph early in
                    the evening.
Ridgetop wind.......South-southwest winds 5-10 mph.
Mixing height.......Decreasing to 400-600 ft AGL overnight.
Transport winds.....South 5-10 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent). Haze and patchy smoke.
CWR.................0 percent.
LAL.................1.
Max temperature.....68-71.
Min humidity........37-42 percent.
Wind (20 ft)........Southwest winds 5-10 mph shifting to the
                    west 5-8 mph late in the afternoon.
Ridgetop wind.......Southwest winds 5-10 mph shifting to the
                    west 5-8 mph late in the afternoon.
Mixing height.......Increasing to 2500-3000 ft AGL late morning.
Transport winds.....Southwest 10-15 mph shifting to the west
                    around 5-10 mph late in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Plunkett
Requested by...Tristan
Type of request...PRESCRIBED
.TAG 2422982.2/PDT
.DELDT 09/26/24
.FormatterVersion 2.0.0
.EMAIL tristan.spencer@bia.gov