510
FNUS76 KOTX 262341
FWSOTX

Spot Forecast for Pioneer...NPS
National Weather Service Spokane WA
441 PM PDT Thu Sep 26 2024

Forecast is based on forecast start time of 0900 PDT on September 27.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A weak and dry cold front brushes the Cascades early Friday morning.
This will result in weak push of northwest winds Friday with the strongest
speeds before midday.  Winds will light with typical down lake flow by Friday
evening-night.  Drier air arrives Friday night with with fair to poor midslope
recoveries.  Saturday will deliver warm and dry conditions with weak ridging
building over the Cascades.  Winds will be more up lake or southeast.  This
warming will be short-lived with another dry cold front passage Saturday night
and Sunday delivering another bout of breezy northwest winds.  There are no signs
of wetting rains in the near future.

.FRIDAY...

Sky/weather.........Mostly cloudy in the morning becoming mostly sunny
                    in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....1100 ft elevation: 65.
6000 ft elevation: 45.
Min humidity........45-55 percent.
Wind (20 ft)........Northwest winds 6 to 9 mph.
Mixing height.......2600 ft AGL.
Transport winds.....Northwest 10 to 14 mph.
Haines Index........4 Low.

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy with mainly high clouds.
CWR.................0 percent.
LAL.................1.
Min temperature.....1100 ft elevation: 49.
                    6000 ft elevation: 48.
Max humidity........50-60 percent near lake.  25-30% mid to upper slopes.
Wind (20 ft)........Northwest to downslope winds 3 to 5 mph.
Mixing height.......Near surface.
Transport winds.....Northwest around 6 mph shifting to the
                    southeast around 5 mph overnight.
Haines Index........5 Moderate.

.SATURDAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
LAL.................1.
Max temperature.....1100 ft elevation: 75.
                    6000 ft elevation: 53.
Min humidity........28-36 percent.
Wind (20 ft)........Light winds becoming up lake, upslope 3 to 6 mph in the
                    afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....Southeast 6 to 8 mph.
Haines Index........5 Moderate.

$$
Forecaster...SB
Requested by...Geoff Hibbs
Type of request...WILDFIRE
.TAG 2422791.12/OTX
.DELDT 09/26/24
.FormatterVersion 2.0.0
.EMAIL anna_valentine@nps.gov,zachary_w_allen@nps.gov,geoff_hibbs@nps.gov,sofia_ecker@nps.gov,teague_walsh-felz@nps.gov