286
FNUS76 KPDT 152324
FWSPDT

Spot Forecast for Falls / Telephone...FS
National Weather Service Pendleton OR
424 PM PDT Sun Sep 15 2024

Forecast is based on forecast start time of 0600 MDT on September 16.
***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...An upper level trough will move across the region through early
Tuesday bringing rain chances and a slight chance of thunderstorms.  However,
wetting rain chances are relatively low.  There could be some gusty winds as
the system moves across.  Winds should begin to decrease on Tuesday and rain
chances will decrease as well.

.MONDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers (30-40%) through the day. Slight chance (20%)
                    of thunderstorms late in the afternoon.
CWR.................15 percent.
LAL.................1 until 1400, then 2.
Max temperature.....64-67.
Min humidity........46-51 percent.
Wind (20 ft)........North winds 5 to 10 mph with gusts to around 20
                    mph shifting to the south 5 to 10 mph with
                    gusts to around 20 mph late in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
Ridgetop wind.......North winds 5 to 10 mph.
Mixing height.......3700 ft AGL.
Transport winds.....North around 9 mph shifting to the southeast
                    around 15 mph early in the morning, then
                    shifting to the north 17 to 18 mph late in the
                    morning.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Temp............42  41  45  49  54  56  58  61  62  63  64  62
RH..............96  96  96  84  74  69  62  59  55  52  51  51
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   S
20 FT wind spd..6   6   8   8   8   10  10  10  11  11  11  10
20 FT wind gust.11  11  14  14  14  18  18  18  18  18  18  18

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). Chance of rain
                    showers (30-40%) and slight chance of thunderstorms (20%),
                    then slight chance (20%) of rain showers early in the
                    morning.
CWR.................22 percent decreasing to 11 percent early in
                    the morning.
LAL.................2 until 0500, then 1.
Min temperature.....Around 40.
Max humidity........79-84 percent.
Wind (20 ft)........South winds 5 to 10 mph with gusts to around 20
                    mph shifting to the north 5 to 8 mph with gusts
                    to around 15 mph early in the evening. Gusty
                    and erratic winds expected near thunderstorms.
Ridgetop wind.......North 5 to 10 mph increasing to 10 mph with gusts
                    to around 15 mph in the evening.
Mixing height.......600 ft AGL.
Transport winds.....North 17 to 18 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers (20%).
CWR.................11 percent.
LAL.................1.
Max temperature.....62-65.
Min humidity........35-40 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph. Gusts up to 25 mph
                    late in the morning.
Ridgetop wind.......Northwest winds around 10 mph.
                    Gusts to around 15 mph in the morning.
Mixing height.......4700 ft AGL.
Transport winds.....Northwest 15 to 17 mph increasing to around 20
                    mph late in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Nierenberg
Requested by...Colleen Malaney
Type of request...WILDFIRE
.TAG 2422501.0/PDT
.DELDT 09/15/24
.FormatterVersion 2.0.0
.EMAIL jordan.daugherty@usda.gov