849
FNUS76 KOTX 111542
FWSOTX

Spot Forecast for Keller Ridge/ San Poil Activity...Colville Agency
National Weather Service Spokane WA
842 AM PDT Sat May 11 2024

Forecast is based on ignition time of 1000 PDT on May 11.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
High pressure will continue to dominate the burn site over the
next couple days, before a system moves into the region Sunday
night into Monday. Expect warm and dry weather through Sunday,
with transient and largely high clouds with just a few fair weather
cumulus near the ridgetops.  Winds will increase each
afternoon out of the southwest, before decreasing after dark.
On Monday a weak system passes through bringing breezy west winds
and a small (10-15%) chance of showers.


.TODAY...

Sky/weather.........Mostly Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Ridgetop:80. Valley:84.
Min humidity........20 percent.
Wind (20 ft)........Southeast winds 2 to 4 mph shifting to the
                    southwest 4 to 8 mph in the afternoon.
Mixing height.......2500 ft AGL at 1000 increasing to 7500 ft AGL in
                    the afternoon.
Transport winds.....South around 6 mph shifting to the southwest
                    around 10 mph in the afternoon.
Haines Index........4 Low.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....49-54.
Max humidity........60-70 percent.
Wind (20 ft)........Southwest winds 3 to 6 mph shifting to the northwest
                    1 to 3 mph overnight.
Mixing height.......6000 ft AGL at 1800 falling to near surface at 2000.
Transport winds.....West 5 to 10 mph shifting to the north less than
                    5 mph overnight.
Haines Index........3 Very Low.

.SUNDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Ridgetop:79. Valley:83.
Min humidity........20 percent.
Wind (20 ft)........Variable 0 to 3 mph through 0900 PDT shifting to the
                    southwest 4 to 9 mph. Gusts up to 20 mph after 1700
                    PDT.
Mixing height.......Near surface through 0800 increasing to 8000 ft AGL
                    in the afternoon.
Transport winds.....Northwest less than 5 mph 0600-0900 shifting to the
                    southwest around 5 mph increasing to around 10 mph
                    in the afternoon.
Haines Index........3 Very Low.

$$
Forecaster...JW
Requested by...Lonnie Cawston
Type of request...PRESCRIBED
.TAG 2413353.4/OTX
.DELDT 05/11/24
.FormatterVersion 2.0.0
.EMAIL deborah.caudell@bia.gov