Suppression Forecast
Issued by NWS Great Falls, MT

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108
FNUS75 KTFX 181534
FWSTFX

Spot Forecast for Iron Mask...BLM
National Weather Service Great Falls MT
934 AM MDT Wed Apr 18 2018

Forecast is based on ignition time of 1000 MDT on April 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Expect dry and sunny conditions today with increasing clouds
Thursday. Light winds out of the South will continue today, perhaps
getting into the 10-15 mph range this afternoon, before becoming more
variable and easterly into Thursday.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....45-50.
Min humidity........30-35 percent.
Wind (20 ft)........South-Southwest around 10 to 15 mph.
 Slope/valley.......South-Southwest around 10 to 15 mph.

.TONIGHT...

Sky/weather.........Mostly cloudy.
CWR.................0 percent.
LAL.................1.
Min temperature.....25-30.
Max humidity........65-70 percent.
Wind (20 ft)........South around 5 to 10 mph.
 Slope/valley.......South around 5 to 10 mph.
Mixing height.......6000 ft AGL decreasing to 2000 ft AGL after
                    midnight.
Transport winds.....South around 15 mph.
Haines index........2 very low.

.THURSDAY...

Sky/weather.........Partly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....50-55.
Min humidity........30-35 percent.
Wind (20 ft)........East-Northeast around 5 to 10 mph.
 Slope/valley.......East-Northeast around 5 to 10 mph.
Mixing height.......2000 ft AGL increasing to 4000 ft AGL in the
                    afternoon.
Transport winds.....South-Southeast around 15 to 20 mph.
Haines index........3 very low.

$$
Forecaster...Gustafson
Requested by...Greg Campbell
Type of request...PRESCRIBED
.TAG 1806951.0/TFX
.EMAIL gcampbel@blm.gov



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