Suppression Forecast
Issued by NWS Spokane, WA

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FNUS76 KOTX 232207
FWSOTX

Spot Forecast for Spromgberg...USFS
National Weather Service Spokane WA
307 PM PDT Tue May 23 2017

Forecast is based on request time of 1500 PDT on May 23.
If conditions become unrepresentative...contact the National Weather
Service.

...GUSTY NORTHWEST WINDS EXPECTED OVERNIGHT...

.DISCUSSION...
High pressure will weaken over the area as a surface pressure
trough sits in the western Columbia Basin. Diurnally driven winds
will begin to shift to the west late this afternoon. A dry cold
front will move into the Cascades this evening and kick gusty winds.
The strongest winds look to be between 2100 and 0300 overnight.
Cooler and breezy weather is expected for Wednesday and Thursday
with temperatures 20 degrees cooler. A warming trend is
expected for the weekend.

***************************************************************
Forecasts for 20 foot wind speeds (valleys and ridge tops) are
10 minute averages reflecting RAWS wind.
***************************************************************

.TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....86.
Min humidity........22 percent.
Wind (20 ft)........Southeast 5 to 7 mph...shifting to northwest
                    after 1600 and increasing to 9 to 14 mph with
                    local gusts to 20 mph.
Mixing height.......Near 4000 ft AGL this afternoon.
Transport winds.....West 7 to 11 mph.
Haines Index........3 very low.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................1 percent.
LAL.................1.
Min temperature.....49.
Max humidity........72 percent.
Wind (20 ft)........Northwest 13 to 17 mph with gusts to
                    around 30 mph...peaking between 2100 and 0300.
Mixing height.......3800 ft AGL in the evening...becoming near
                    1000 ft AGL overnight.
Transport winds.....West 16 to 20 mph.
Haines Index........4 low.

.WEDNESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....66.
Min humidity........27 percent.
Wind (20 ft)........Northwest 11 to 15 mph. Gusts to
                    around 30 mph early in the morning and picking
                    up again in the afternoon.
Mixing height.......Near 1000 ft AGL...becoming 4300 ft
                    AGL in the afternoon.
Transport winds.....West 17 to 21 mph.
Haines Index........3 very low.

$$
Forecaster...RF
Requested by...Brandi
Type of request...WILDFIRE
.TAG 1709972.0/OTX



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