320
FNUS76 KPDT 221735
FWSPDT

Spot Forecast for MPRC RX Burn...Department of Defense - Yakima Training Center
National Weather Service Pendleton OR
1035 AM PDT Sun Sep 22 2024

Forecast is based on ignition time of 1200 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...Dry conditions will persist through the forecast
period with primarily west northwest winds. Winds will be mostly
below 10 mph with the exception of today. Winds will then shift
to the east Tuesday below 10 mph. Daytime RH values will be good
ranging between 30-40% both days with moderate overnight recoveries.

.MONDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 80.
Min humidity........35-40 percent.
Wind (20 ft)........West northwest winds 8 to 10 mph.
Ridgetop wind.......West northwest winds 10 to 12 mph.
Mixing height.......3500 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      NOON   2 PM   4 PM   6 PM   8 PM   10 PM
Temp............72     76     78     75     69     64
RH..............48     42     40     46     57     62
20 ft wind......WNW 8  WNW 7  WNW 7  WNW 7  WNW 7  WNW 7
20 ft wind gust.11     10     10     10     8      8

.MONDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Min temperature.....Around 60.
Max humidity........63-68 percent.
Wind (20 ft)........West northwest winds 5 to 8 mph and overnight
                    becoming light west northwest 2 to 5 mph.
Ridgetop wind.......West northwest winds 7 to 9 mph and overnight
                    becoming light west northwest 5 to 6 mph.
Mixing height.......2300 ft AGL early in the evening.
Transport winds.....Northwest 8 to 15 mph decreasing to around 5
                    mph early in the morning.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Max temperature.....80-83.
Min humidity........31-36 percent.
Wind (20 ft)........Light west northwest winds 2 to 5 mph becoming north
                    5 to 7 mph around 8 am, then shifting to the east 5
                    to 8 mph around 11 AM.
Ridgetop wind.......Light west northwest winds becoming north 7 to 8 mph
                    around 8 am, then shifting to the east 6 to 9
                    mph around 11 AM.
Mixing height.......4000 ft AGL late in the morning.
Transport winds.....Northwest around 5 mph shifting to the north
                    early in the morning, then shifting to the
                    southeast 7 to 9 mph late in the morning.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Bennese
Requested by...Kari Hirschberger
Type of request...PRESCRIBED
.TAG 2422855.0/PDT
.DELDT 09/22/24
.FormatterVersion 2.0.0
.EMAIL kari.a.hirschberger.civ@army.mil