677
FNUS75 KTFX 062155
FWSTFX

Spot Forecast for Eitten Ridge RX...USFS
National Weather Service Great Falls MT
355 PM MDT Mon May 6 2024

Forecast is based on ignition time of 0600 MDT on May 07.
If conditions become unrepresentative...contact the National Weather
Service.

...HIGH WIND WARNING IN EFFECT UNTIL NOON MDT TUESDAY...

...BLIZZARD WARNING IN EFFECT FROM NOON TUESDAY UNTIL MIDNIGHT
WEDNESDAY NIGHT...

.DISCUSSION...

A potent May storm will impact the region Tuesday into Wednesday.
Strong winds and heavy snow will combine to create localized/brief
blizzard conditions on the eastern periphery of the Little Belts,
beginning Tuesday afternoon, lasting into Wednesday. The chance
for a quarter inch of liquid precip over 24 hours ending
Wednesday and Thursday morning are greater than 95% for both
periods. The chance for 10 inches of snow over this period at the
prescribed burn is around 50%.

.TUESDAY...

Sky/weather.........Cloudy (90-100 percent). Chance of snow in the
                    morning. Snow in the afternoon.
CWR.................40 percent.
LAL.................1.
Max temperature.....39-44.
Min humidity........47-52 percent.
Wind (20 ft)........
 Slope/valley.......Windy. West winds 25 to 35 mph. Gusts up to 45
                    mph increasing to 55 mph in the afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest around 55 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY NIGHT...

Sky/weather.........Cloudy (95-100 percent). Patchy blowing snow
                    through the night. Snow through the night.
CWR.................90 percent.
LAL.................1.
Min temperature.....30-35.
Max humidity........77-82 percent.
Wind (20 ft)........
 Slope/valley.......Windy. Northwest winds 25 to 35 mph. Gusts up
                    to 55 mph decreasing to 40 mph overnight.
Mixing height.......1000 ft AGL.
Transport winds.....Northwest around 55 mph.
Haines Index........

.WEDNESDAY...

Sky/weather.........Cloudy (95-100 percent). Patchy blowing snow in
                    the morning. Rain and snow through the day.
CWR.................95 percent.
LAL.................1.
Max temperature.....38-43.
Min humidity........67-72 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 15 to 20 mph.
Mixing height.......1500 ft AGL.
Transport winds.....North around 20 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...McDowell
Requested by...Kyle Marquardt
Type of request...PRESCRIBED
.TAG 2413294.0/TFX
.DELDT 05/06/24
.FormatterVersion 2.0.0
.EMAIL kyle.marquardt@usda.gov, tfx.ops@noaa.gov