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FNUS75 KBYZ 171919
FWSBYZ

Spot Forecast for Short Draw Fire...DNRC County Assist Team
National Weather Service Billings MT
119 PM MDT Tue Sep 17 2024

Forecast is based on forecast start time of 0600 MDT on September 18.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Expect a very breezy Wednesday and Thursday as a westerly low-
level jet sets up Wednesday afternoon and persists through
Thursday morning. The fire site is right on the edge of this jet,
so minor shifting of it results in the large wind ranges given
below. Overall, gust potential up to 45 mph is possible. Main
timing for rain on Wednesday is late in the morning through the
afternoon.

.WEDNESDAY...

Sky/weather.........Mostly cloudy. Chance of rain showers.
CWR.................30 percent.
LAL.................1...no thunderstorms.
Max temperature.....65-69.
Min humidity........46-50 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 15 to 22 mph with gusts to
                    around 35 mph.
 Ridgetop...........West winds 25 to 40 mph.
Mixing height.......400 ft AGL early in the morning increasing to
                    5500 ft AGL in the afternoon.
Transport winds.....Southwest winds 25 to 35 mph.
Haines index........2.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy. Chance of rain showers in the
                    evening, then slight chance of rain showers
                    overnight.
CWR.................5 percent.
LAL.................1...no thunderstorms.
Min temperature.....50-54.
Max humidity........73-77 percent.
Wind (20 ft)........
 Slope/valley.......West winds 15 to 25 mph with gusts to around 45
                    mph.
 Ridgetop...........West winds 30 to 45 mph.
Mixing height.......3900 ft AGL early in the evening decreasing to
                    500 ft AGL overnight.
Transport winds.....West winds 30 to 40 mph.

.THURSDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....68-72.
Min humidity........37-41 percent.
Wind (20 ft)........
 Slope/valley.......West winds 10 to 14 mph with gusts to around 25
                    mph.
 Ridgetop...........Northwest winds 20 to 30 mph.
Mixing height.......600 ft AGL early in the morning increasing to
                    6900 ft AGL in the afternoon.
Transport winds.....Northwest winds 20 to 30 mph.
Haines index........2.

$$
Forecaster...Vertz
Requested by...Doug Dodge
Type of request...WILDFIRE
.TAG 2422406.4/BYZ
.DELDT 09/17/24
.FormatterVersion 2.0.0
.EMAIL doug_dodge@firenet.gov