921
FNUS76 KOTX 240530
FWSOTX

Spot Forecast for St. Joe Divide (Graham Creek)...Other
National Weather Service Spokane WA
1030 PM PDT Mon Sep 23 2024

Forecast is based on ignition time of 0800 PDT on September 24.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Tuesday will be 10 to 15 degrees above average with afternoon
temperatures in the mid 70s to near 80 degrees at this project.
Look for the morning inversion to weaken around 1000 pdt with
transport winds out of the south and surface winds mainly terrain
driven. The arrival of a cold front late Wednesday afternoon will
bring increasingly windy conditions through the day and a 60
percent chance of wetting rain Wednesday evening. At this time,
rain amounts will likely range from a tenth to a quarter of an
inch by Thursday morning.

.TUESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....74-80.
Min humidity........47-38 percent.
Wind (20 ft)........Becoming upslope/upvalley 3 to 6 mph
                    by 1000 pdt.
Mixing height.......Inversion weakening around 1000 pdt with
                    mixing heights as high as 3100 ft AGL between
                    1300 and 1800 pdt.
Transport winds.....South 5 to 8 mph.

.TUESDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....57-62.
Max humidity........78-65 percent.
Wind (20 ft)........Downslope/downvalley 3 to 6 mph in the evening
                    becoming southeast 4 to 7 mph with gusts on the
                    ridge tops as high as 20 mph in the early morning
                    hours.
Mixing height.......Falling to near the surface by 1930 pdt.
Transport winds.....South 6 to 9 mph.

.WEDNESDAY...

Sky/weather.........Mostly sunny in the morning. Increasing clouds
                    in the afternoon with 20 percent chance of showers
                    after 1500 pdt.
CWR.................10 percent.
LAL.................1.
Max temperature.....76-82.
Min humidity........45-36 percent.
Wind (20 ft)........Southeast winds 5 to 9 mph in the morning with
                    gusts up to 25 mph on the ridge tops. Wind
                    increasing in the afternoon to southwest 11 to
                    16 mph with gusts to 30 mph after 1600 pdt.
Mixing height.......Morning inversion weakening by 1000 pdt with mixing
                    heights as high as 8000 ft AGL between 1300
                    and 1700 pdt.
Transport winds.....South 10 to 15 mph in the morning increasing to
                    southwest 17 to 23 mph in the afternoon.

.WEDNESDAY NIGHT...

Sky/weather.........Cloudy with a 80 percent chance of showers and a
                    20 percent chance of thunderstorms.
CWR.................60 percent. Rain amounts 0.10 to 0.25 inches
                    expected.
LAL.................2.
Min temperature.....47-50.
Max humidity........95-85 percent.
Wind (20 ft)........Southwest winds 14 to 18 mph with gusts
                    to 33 mph between 1700 and 1900 pdt. Southwest
                    wind decreasing to 6 to 10 mph overnight.
Mixing height.......Falling to 500 ft AGL by 2000 pdt.
Transport winds.....Southwest 20 to 25 mph in the evening decreasing
                    to 10 to 15 mph overnight.


.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Cooler. Mostly cloudy. 20 percent chance of showers early in the
day. Lows around 50. Highs in the lower 60s. Southwest
winds 5 to 9 mph with gusts to 15 mph.
.FRIDAY...
Mostly clear. Lows around 50. Highs in the mid 60s. South or
southwest winds 4 to 8 mph.
.SATURDAY...
Mostly clear. Lows in the upper 40s. Highs in the mid 60s.
Southeast winds 3 to 7 mph.

$$
Forecaster...GK
Requested by...Patrick Warker
Type of request...PRESCRIBED
.TAG 2422940.0/OTX
.DELDT 09/24/24
.FormatterVersion 2.0.0
.EMAIL patrick.warker@usda.gov,luke.smith2@usda.gov,nws.spokane@noaa.gov.,ryan.nipp@usda.gov