Suppression Forecast
Issued by NWS Great Falls, MT

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FNUS75 KTFX 190958
FWSTFX

Spot Forecast for Crucifixion Creek, Strawberry, Scalp...USFS
National Weather Service Great Falls MT
358 AM MDT Tue Sep 19 2017

Forecast is based on request time of 0500 MDT on September 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Winds to remain the main concern throughout the forecast period. Gusty
winds may develop across the fire complex today...then increase further
tonight into Wednesday morning...before tapering off slightly Wednesday
afternoon. Gusts of 40 to 50 MPH are possible...especially at ridgetop
level. Chances for precipitation are around each day...with snow levels
remaining above 5500 feet each night. Best precipitation chances will come
across the western and northern portions of the complex. Weak instability
will also bring a very isolated thunderstorm threat today. RH values will be
fair throughout the period...although may not recover as high on Wednesday.

.TODAY...

Sky/weather.........Partly to mostly cloudy. A slight chance of rain or
                    snow in the morning...with snow levels above 5500 feet
                    expected. A slight chance of rain with a very
                    isolated thunderstorm possible in the afternoon.
CWR.................10 percent.
LAL.................1 becoming a 2 from 1200 to 1800.
Max temperature.....39-49.
Min humidity........49-57 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts near 20 mph in the morning
                    increasing to 15 to 20 mph with gusts near 30 mph in the afternoon.
 Slope/valley.......West winds 10 to 15 mph with gusts near 20 mph in the morning
                    increasing to 15 to 20 mph with gusts near 30 mph in the afternoon.
 Ridgetop...........West winds 15 to 25 mph with gusts 30 to 35 mph.
Haines index........3 very low.

.TONIGHT...

Sky/weather.........Mostly cloudy. A chance of rain...with a chance of snow above
                    5500 feet.
CWR.................10 percent.
LAL.................1.
Min temperature.....29-34.
Max humidity........75-80 percent.
Wind (20 ft)........West winds 15 to 25 mph with gusts near 30 mph increasing after
                    midnight to 20 to 30 mph with gust near 40 mph.
 Slope/valley.......West winds 15 to 25 mph with gusts near 30 mph increasing after
                    midnight to 20 to 30 mph with gust near 40 mph.
 Ridgetop...........West winds 20 to 30 mph with gusts generally near 40 mph...although
                    some higher gusts near 50 MPH are possible after midnight.
Haines index........3 very low.

.WEDNESDAY...

Sky/weather.........Partly to mostly cloudy. A chance of rain. A chance of morning snow
                    above 5500 feet.
CWR.................15 percent.
LAL.................1.
Max temperature.....40-49.
Min humidity........40-45 percent.
Wind (20 ft)........West winds 15 to 25 mph with gusts near 40 mph...decreasing to
                    15 to 20 mph with gusts near 30 mph after 1500.
 Slope/valley.......West winds 15 to 25 mph with gusts near 40 mph...decreasing to
                    15 to 20 mph with gusts near 30 mph after 1500.
 Ridgetop...........West winds 20 to 30 mph with gusts 40 to 50 mph...decreasing to
                    15 to 25 mph with gusts near 30 to 35 mph after 1500.
Haines index........3 very low.

$$
Forecaster...Anglin
Requested by...Ted Frazer
Type of request...WILDFIRE
.TAG 1715884.4/TFX
.EMAIL tfrazer@fs.fed.us


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