801
FNUS75 KCYS 191941
FWSCYS

Spot Forecast for La Bonte Fire...La Bonte Fire Incident Team
National Weather Service Cheyenne WY
141 PM MDT Thu Sep 19 2024

If conditions become unrepresentative, contact the National Weather
Service at (307) 772-2227

.DISCUSSION...
Dry conditions expected to persist over the next 36 hours as an
upper level ridge moves across the region into the weekend. Gusty
winds tomorrow, with wind gusts up to 25 mph tomorrow possible. The
best day to see near critical fire weather conditions will be
Friday, where minimum humidity and winds are expected to reach
critical thresholds. For the extended forecast, strong cold front
is expected to push through the area, bringing cooler temperatures
and the return of afternoon showers and thunderstorms Saturday
through Monday.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 81.
Min humidity........14 percent.
Wind (20 ft)........West winds 8 to 16 mph.
Mixing height.......8200 ft AGL increasing to 12200 ft AGL in the
                    afternoon.
Transport winds.....West around 21 mph.
Smoke dispersal.....Poor (7000 knot-ft) early in the morning
                    increasing to excellent (305600 knot-ft) in the
                    afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 49.
Max humidity........56 percent.
Wind (20 ft)........Northwest winds 8 to 16 mph.
Mixing height.......1100 ft AGL decreasing to 200 ft AGL in the
                    late evening and overnight.
Transport winds.....Northwest around 20 mph.
Smoke dispersal.....Excellent (271900 knot-ft) early in the evening
                    decreasing to poor (2800 knot-ft) late in the
                    night.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................2 percent.
LAL.................1.
Max temperature.....Around 63.
Min humidity........36 percent.
Wind (20 ft)........North winds 15 to 17 mph shifting to the
                    northeast 14 to 15 mph in the afternoon.
Mixing height.......5900 ft AGL.
Transport winds.....North around 16 mph.
Smoke dispersal.....Fair (44200 knot-ft) early in the morning
                    increasing to good (77100 knot-ft) in the
                    afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Mostly cloudy. Chance of showers. Lows in the lower 40s. Highs in
the lower 60s. Southeast winds around 8 mph.
.MONDAY...
Partly cloudy. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.TUESDAY...
Partly cloudy. Chance of showers. Lows in the upper 40s. Highs in
the upper 60s. Northwest winds around 10 mph.

$$

Requested by...Hans Rohr
Type of request...WILDFIRE
.TAG 2422755.0/CYS
.DELDT 09/19/24
.FormatterVersion 2.0.0
.EMAIL 2024.labonte.plans@firenet.gov