Suppression Forecast
Issued by NWS Great Falls, MT

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FNUS75 KTFX 252256
FWSTFX

Spot Forecast for Cowan Pile burning...Montana DNRC
National Weather Service Great Falls MT
356 PM MST Thu Feb 25 2021

Forecast is based on ignition time of 1600 MST on February 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Strong westerly winds will persist through this evening, but they
will decrease somewhat overnight into Friday morning; however, gusts
could still reach 25 mph during this time. Winds will then shift
more so out of the northwest during the afternoon with the passage
of a Canadian cold front. There will be a chance for additional
light snow through the day on Friday, with the best chance for
light measurable snow starting after the cold frontal passage.

.REST OF TODAY...

Sky/weather.........Partly sunny. Chance of snow.
CWR.................15 percent.
LAL.................1.
Max temperature.....28-33.
Min humidity........25-30 percent.
Wind (20 ft)........
 Slope/valley.......Windy. West winds 20 to 25 mph with gusts to
                    around 35 mph.
Mixing height.......2500 ft AGL.
Transport winds.....West around 35 mph.
Haines index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of snow early in the evening, then again
                    after midnight.
CWR.................5 percent.
LAL.................1.
Min temperature.....20-25.
Max humidity........68-73 percent.
Wind (20 ft)........
 Slope/valley.......West winds 15 to 20 mph with gusts to around 30
                    mph, decreasing to 10 to 15 mph with gusts to
                    around 25 mph after 0200 MST.
Mixing height.......1000 ft AGL.
Transport winds.....West around 35 mph.

.FRIDAY...

Sky/weather.........Mostly cloudy. Chance of snow through the day,
                    but especially in the afternoon.
CWR.................20 percent.
LAL.................1.
Max temperature.....27-32.
Min humidity........62-67 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 15 mph with gusts to around 25
                    mph, shifting to the northwest in the afternoon.
Mixing height.......3000 ft AGL.
Transport winds.....West around 25 mph.
Haines index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Coulston
Requested by...Joshua Stoychoff
Type of request...PRESCRIBED
.TAG 2103120.0/TFX
.DELDT 02/25/21
.FormatterVersion 1.0.26
.EMAIL Jstoychoff@mt.gov


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