077
FNUS76 KPDT 201008
FWSPDT

Spot Forecast for Silvies 7 RX...Burns Interagency Fire Zone
National Weather Service Pendleton OR
308 AM PDT Mon May 20 2024

Forecast is based on ignition time of 0700 PDT on May 20.
***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 and cool weather is expected through early
Tuesday. Breezy conditions are possible each afternoon.  Showers
are expected by Tuesday evening and will continue into Wednesday.
The showers are expected to decrease Wednesday evening and end
Wednesday night.  Dry conditions are then expected to return
Thursday and Friday.

MIN RH values will be around 20 to 25 percent today and a bit higher
on Tuesday with excellent overnight recoveries.  RH values will climb
Tuesday night into Wednesday due to the expected precipitation.

.REST OF TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....56-59.
Min humidity........19-24 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph shifting to the
                    north 6 to 10 mph in the afternoon. Gusts 15
                    to 20 mph in the afternoon.
Ridgetop wind.......North winds around 10 mph.  Gusts 15 to 20 mph
                    in the afternoon.
Mixing height.......9500 ft AGL.
Transport winds.....North around 16 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 30.
Max humidity........74-79 percent.
Wind (20 ft)........North winds 5 to 10 mph with gusts to around 15
                    mph in the evening becoming light.
Ridgetop wind.......North winds decreasing to 5 to 10 mph.
Mixing height.......2100 ft AGL in the evening.
Transport winds.....Northwest around 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Sunny (0-10 percent) then becoming mostly
                    cloudy (65-75 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....60-63.
Min humidity........23-28 percent.
Wind (20 ft)........Light winds becoming west 5 to 10 mph in the
                    afternoon. Gusts 15 to 20 mph in the afternoon.
Ridgetop wind.......North winds 5 to 10 mph becoming west in the morning.
                    Increasing to around 10 mph in the afternoon.  Gusts
                    15 to 20 mph in the afternoon.
Mixing height.......7000 ft AGL early in the morning.
Transport winds.....West around 12 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
Cooler. Mostly cloudy. Showers likely. Lows in the upper 30s.
Highs in the upper 40s. West winds around 7 mph.
.THURSDAY...
Mostly cloudy. Chance of showers and morning snow showers. Lows around
30. Highs in the mid 50s. Northwest winds around 6 mph.
.FRIDAY...
Partly cloudy. Lows in the lower 30s. Highs in the mid 60s. Light
winds.

$$
Forecaster...Nierenberg
Requested by...Reese Rothwell
Type of request...PRESCRIBED
.TAG 2414425.0/PDT
.DELDT 05/20/24
.FormatterVersion 2.0.0
.EMAIL orbic@firenet.gov