951
FNUS76 KOTX 252227
FWSOTX

Spot Forecast for Pioneer...NPS
National Weather Service Spokane WA
327 PM PDT Wed Sep 25 2024

Forecast is based on forecast start time of 1200 PDT on September 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Today will be much cooler and dry after yesterday`s cold front
passage. Winds will become breezy upslope/upvalley in drainages
and southeast up Lake Chelan. Winds along ridge tops today will
be breezy with gusts up to around 18 mph. A weaker weather system
moves in tonight with showers likely and a 40 percent chance for
additional wetting rains into Friday morning.

.THURSDAY...

Sky/weather.........Mostly sunny in the morning till early
                    afternoon. Clouds increasing through the
                    afternoon. A 50% chance for rain showers after
                    1800 PDT.
CWR.................2 percent.
LAL.................1.
Max temperature.....1100 ft elevation: 74.
                    6000 ft elevation: 54.
Min humidity........16-26 percent.
Wind (20 ft)........Downslope/Downvalley winds 4 to 8 mph in the
                    morning becoming upslope/upvalley 5 to 9 mph
                    after 1000 PDT, except southeast along Lake
                    Chelan in the afternoon. Gusts up to between
                    15 to 18 mph on ridge tops in the afternoon.
Mixing height.......Near the surface through 1000 PDT increasing to
                    3500 ft AGL in the afternoon.
Transport winds.....West-Southwest 8 to 12 mph.
Haines Index........4 Low.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy.A 70 percent chance of rain showers.
CWR.................40 percent.
LAL.................1.
Min temperature.....1100 ft elevation: 54 near the lake.
                    6000 ft elevation: 42 near ridge top.
Max humidity........70-90 percent.
Wind (20 ft)........South winds 5 to 10 mph shifting to the
                    west-northwest overnight. Gusts up to between
                    15 to 18 mph on ridge tops.
Mixing height.......500-1000 ft AGL.
Transport winds.....West 9 to 14 mph.
Haines Index........4 Low.

.FRIDAY...

Sky/weather.........Mostly cloudy in the morning with a 30 percent of
                    rain showers. Then clouds decreasing in the
                    afternoon becoming mostly sunny.
CWR.................15 percent.
LAL.................1.
Max temperature.....1100 ft elevation: 75.
                    6000 ft elevation: 55.
Min humidity........26-35 percent.
Wind (20 ft)........West-Northwest winds 7 to 11 mph.
Mixing height.......1500 ft AGL through 1100 PDT increasing to
                    3500 ft AGL in the afternoon.
Transport winds.....West-Northwest 11 to 14 mph.
Haines Index........4 Low.


.FRIDAY NIGHT...

Sky/weather.........Increasing clouds.
CWR.................0 percent.
LAL.................1.
Min temperature.....1100 ft elevation: 49 near the lake.
                    6000 ft elevation: 37 near ridge top.
Max humidity........46-60 percent.
Wind (20 ft)........Downslope/Downvalley winds 4 to 8 mph
                    except northwest winds on ridge tops and
                    along Lake Chelan.
Mixing height.......Decreasing to near surface after 2000 PDT.
Transport winds.....Northwest around 7 mph.
Haines Index........4 Low.

$$
Forecaster...SVH
Requested by...Geoff Hibbs
Type of request...WILDFIRE
.TAG 2422791.7/OTX
.DELDT 09/25/24
.FormatterVersion 2.0.0
.EMAIL sofia_ecker@nps.gov,teague_walsh-felz@nps.gov,zachary_w_allen@nps.gov,anna_valentine@nps.gov,geoff_hibbs@nps.gov