Spot Forecast
Issued by NWS Great Falls, MT

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FNUS75 KTFX 241604
FWSTFX

Spot Forecast for Dalton 39A...USFS
National Weather Service Great Falls MT
1004 AM MDT Mon Jun 24 2024

Forecast is based on ignition time of 0800 MDT on June 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Surface high pressure will slide over the Northern Rockies
Tuesday, bringing mostly clear skies, light winds, and warm and
dry air to the burn site on Tuesday. Expect wind gusts to top out
around 10 to 15 mph as RH values dip into the upper teens.
Wednesday will bring warmer air into the area, along with some
moisture and the chance of a thunderstorm or two in the afternoon
(20-40%).

.TUESDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-79.
Min humidity........15-20 percent.
Wind (20 ft)........
 Slope/valley.......West winds up to 5 mph.
Mixing height.......7000 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....49-54.
Max humidity........53-58 percent.
Wind (20 ft)........
 Slope/valley.......North winds around 5 mph shifting to the
                    northeast overnight.
Mixing height.......0 ft AGL.
Transport winds.....Northeast around 10 mph.
Haines Index........

.WEDNESDAY...

Sky/weather.........Sunny (10-20 percent) then becoming partly
                    sunny (55-65 percent).
CWR.................5 percent.
LAL.................1.
Max temperature.....76-81.
Min humidity........24-29 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds around 5 mph shifting to the
                    south in the afternoon.
Mixing height.......7500 ft AGL.
Transport winds.....South around 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Ludwig
Requested by...Nick Boucher
Type of request...PRESCRIBED
.TAG 2416600.0/TFX
.DELDT 06/24/24
.FormatterVersion 2.0.0
.EMAIL donald.iles@usda.gov,jason.l.gilbert@usda.gov,nicholas.boucher@usda.gov,jarel.kurtz@usda.gov, tfx.ops@noaa.gov