321
FNUS76 KPDT 222132
FWSPDT

Spot Forecast for Klone 1 RX...USFS
National Weather Service Pendleton OR
232 PM PDT Wed May 22 2024

Forecast is based on ignition time of 0800 PDT on May 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...With low pressure departing the region, winds are
expected to calm into Thursday, with speeds generally 5-10 mph,
shifting from southwesterly to northerly as the next system begins
to approach the region, becoming light overnight. On Friday, a low
pressure trough begins to approach, bringing westerly winds. This
system is not expected to bring a strong chance of showers or
notably strong winds to the site, but if a passing shower does
occur, it will be during the afternoon into the evening on Friday
and light, with a low probability (20% or less) of occurring.

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....63-66.
Min humidity........24-29 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
                    north 5 to 10 mph late in the afternoon.
Ridgetop wind.......Southwest winds 6 to 12 mph shifting to the
north 6 to 12 mph late in the afternoon.
Mixing height.......7500 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the west
                    late in the morning, then becoming north
around 6 mph late in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
Temp............34  40  46  50  54  57  59  60  61  60  59  57
RH..............80  68  54  45  37  32  30  28  28  30  34  40
20 FT wind dir..SW  SW  SW  W   W   W   N   N   N   N   N   N
20 FT wind spd..6   6   6   5   5   5   6   6   6   7   7   7
20 FT wind gust.            6   6   6   7   7   7   8   8   8

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (60-70 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....36-39.
Max humidity........86-91 percent.
Wind (20 ft)........North winds 5 to 10 mph in the evening
becoming light overnight.
Ridgetop wind.......North winds 6 to 12 mph in the evening
becoming light overnight.
Mixing height.......900 ft AGL.
Transport winds.....North 6 to 8 mph shifting to the southwest 5 to
                    7 mph overnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....60-63.
Min humidity........33-38 percent.
Wind (20 ft)........Light winds becoming west 5 to 10 mph early in
                    the morning.
Ridgetop wind.......Light winds becoming west 6 to 12 mph early in
the morning.
Mixing height.......7000 ft AGL.
Transport winds.....West 7 to 16 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Goatley
Requested by...Sean Carroll
Type of request...PRESCRIBED
.TAG 2414910.0/PDT
.DELDT 05/22/24
.FormatterVersion 2.0.0
.EMAIL sean.carroll@usda.gov