648
FNUS76 KOTX 180127
FWSOTX

Spot Forecast for Pole Flats Rx...WA DNR
National Weather Service Spokane WA
627 PM PDT Tue Sep 17 2024

Forecast is based on ignition time of 0600 PDT on September 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Dry weather with clear to mostly clear skies is forecast Wednesday
and Thursday.  Winds are expected to be mainly terrain driven as the
area is more sheltered from the northwest winds.  The exception is
Wednesday evening and again Thursday evening when an enhanced push of
northwest winds will likely mix down over the fire area.

.WEDNESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........36 percent.
Wind (20 ft)........Downslope/downvalley 2 to 5 mph through 1100
                    then upslope/upvalley 3 to 6 mph.
Mixing height.......Near the surface through 0900 PDT increasing to
                    3500 ft AGL in the afternoon.
Transport winds.....Northwest 5 to 10 mph.
Haines Index........2 Very Low.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........62 percent.
Wind (20 ft)........Northwest 4 to 8 mph with gusts up to 15 mph in
                    the evening then downslope/downvalley 2 to 5 mph.
Mixing height.......Lowering to near surface by 2000.
Transport winds.....Northwest around 10 mph in the evening then
                    downslope/downvalley 2 to 5 mph.
Haines Index........3 Very Low.

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........34 percent.
Wind (20 ft)........Downslope/downvalley 2 to 5 mph through 1100
                    then upslope/upvalley 3 to 6 mph.
Mixing height.......Near the surface through 0900 PDT increasing to
                    4000 ft AGL in the afternoon.
Transport winds.....Northwest around 5 mph in the morning increasing
                    to 10 to 15 mph in the afternoon.
Haines Index........4 Low.

$$
Forecaster...JW
Requested by...Bryan Lyle
Type of request...PRESCRIBED
.TAG 2422653.0/OTX
.DELDT 09/17/24
.FormatterVersion 2.0.0
.EMAIL bryan.lyle@dnr.wa.gov