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FNUS75 KBYZ 182120
FWSBYZ

Spot Forecast for Short Draw Fire...DNRC County Assist Team
National Weather Service Billings MT
320 PM MDT Wed Sep 18 2024

Forecast is based on forecast start time of 0600 MDT on September 19.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Strong westerly surface and upper level winds will slowly die
down throughout the day Thursday. The next few days look calm with
clear skies and little chance of rain. Good recoveries Thursday
night with MinRH values falling into the mid 20s for Friday.
Frontal passage moves through Friday afternoon bringing winds out of the
north. High temperatures are expected to be in the 70s.

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....70-74.
Min humidity........33-37 percent.
Wind (20 ft)........
 Slope/valley.......Northwest 20 mph gusting to 40 mph in the morning
decreasing throughout the day to 10-15 mph gusting
                    to 20 mph.
 Ridgetop...........Northwest around 35-40 mph in the morning decreasing
                    throughout the day to 15 mph.
Mixing height.......800 ft AGL early in the morning increasing to
                    7100 ft AGL in the afternoon.
Transport winds.....Northwest around 25 mph in the morning
                    decreasing to 15 by the evening.
Haines index........2.

.THURSDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....48-52.
Max humidity........70-74 percent.
Wind (20 ft)........
 Slope/valley.......Northeast 5 to 8 mph shifting to the
                    south overnight.
 Ridgetop...........South to southeast around 10-15 mph.
Mixing height.......6500 ft AGL early in the evening decreasing to
                    300 ft AGL overnight.
Transport winds.....Northwesterly around 10-15 mph becoming
                    5 mph southeasterly overnight.

.FRIDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....76-80.
Min humidity........22-26 percent.
Wind (20 ft)........
 Slope/valley.......South 5 to 10 mph shifting to
                    northerly gusting 15-20 mph in the afternoon.
 Ridgetop...........North/Northwest 10-15 mph.
Mixing height.......300 ft AGL early in the morning increasing to
                    9500 ft AGL in the afternoon.
Transport winds.....Southerly becoming northwesterly around 10-15 mph.
Haines index........3.

$$
Forecaster...Torgerson/Palmquist
Requested by...Doug Dodge
Type of request...WILDFIRE
.TAG 2422406.5/BYZ
.DELDT 09/18/24
.FormatterVersion 2.0.0
.EMAIL doug_dodge@firenet.gov