Spot Forecast
Issued by NWS Pendleton, OR

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018
FNUS76 KPDT 232154
FWSPDT

Spot Forecast for Red Fire...USFS
National Weather Service Pendleton OR
254 PM PDT Mon Sep 23 2024

Forecast is based on forecast start time of 0700 PDT on September 24.
***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 ridge will keep dry and warm conditions
across the fire area through Tuesday night. Daytime RH values will
be poor Tuesday with only moderate overnight recoveries. Winds
will be mostly from the south through the day before shifting to the
west (see below). An upper level trough will then bring breezy conditions
from the west with daytime RH moving into moderate ranges.

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-77.
Min humidity........19-24 percent.
Wind (20 ft)........Southeast winds 6 to 8 mph shifting to the
                    southwest 5 to 7 mph around 11 AM.
Ridgetop wind.......Southeast winds 8 to 12 mph shifting to the
                    southwest 7 to 9 mph 11 AM.
Mixing height.......5900 ft AGL late in the morning.
Transport winds.....South 8 to 12 mph shifting to the southwest 13
                    to 15 mph late in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Temp............47  49  54  61  65  70  72  73  74  73  72  70
RH..............70  70  57  43  38  33  28  26  24  24  24  31
20 FT wind dir..SE  SE  SE  SE  S   S   S   SW  SW  SW  W   W
20 FT wind spd..10  8   8   8   7   7   7   6   6   6   6   6
20 FT wind gust.    10  10  10  10  10  10  11  11  11  11  11

.TUESDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent). Haze early in the
                    evening.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........50-55 percent.
Wind (20 ft)........West winds 5 to 7 mph around 5 PM becoming light,
                    then becoming southwest 5 to 10 around 11 PM.
Ridgetop wind.......West winds 7 to 9 mph around 5 PM becoming light,
                    then becoming southwest 8 to 12 around 11 PM.
Mixing height.......2700 ft AGL early in the evening.
Transport winds.....Southwest 9 to 16 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...

Sky/weather.........Mostly sunny (35-45 percent) then becoming
                    mostly cloudy (80-90 percent). Slight chance of
                    rain showers late in the morning. Chance of
                    rain showers late in the afternoon.
CWR.................0 percent increasing to 18 percent late in the
                    afternoon.
LAL.................1.
Max temperature.....60-63.
Min humidity........39-44 percent.
Wind (20 ft)........Southwest winds 5 to 11 mph with gusts to
                    around 18 mph shifting to the west with gusts
                    to around 21 mph around 2 PM.
Ridgetop wind.......Southwest winds 10 to 15 mph with gusts to
                    around 22 mph shifting to the west with gusts
                    to around 28 mph around 2 PM
Mixing height.......4600 ft AGL late in the morning.
Transport winds.....Southwest around 12 mph increasing to 21 to 26
                    mph late in the morning.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Bennese
Requested by...Ross Fielder
Type of request...WILDFIRE
.TAG 2422927.0/PDT
.DELDT 09/23/24
.FormatterVersion 2.0.0
.EMAIL william.fielder@usda.gov