140
FNUS75 KGJT 122151
FWSGJT

Spot Forecast for Snow Ranch fire...USFS
National Weather Service Grand Junction CO
351 PM MDT Wed Jun 12 2024

Forecast is based on forecast start time of 1900 MDT on June 12.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Thursday`s forecast remains warm and dry, with low
relative humidities and above normal temperatures. Winds will remain
light and terrain driven. A wave moving in for Friday will bring
increasing chances of showers and thunderstorms during the day, along
with cooler temperatures and slightly increased humidity. Dry surface
air will keep the chances of wetting rain relatively low, with the main
threat from storms being gusty winds and lightning. Warm and dry
conditions return for the weekend.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Min temperature.....53-58.
Max humidity........32-37 percent.
Wind (20 ft)........Northwest winds 4-8 mph becoming north winds 2-4 mph
by 2300.
Smoke dispersal.....Very good decreasing to poor (4000-10000 knot-ft)
                    by 2000.
Haines Index........6 or high.
LAL.................1.
Mixing height.......9400 ft AGL decreasing to 900 ft AGL after 2100.
Transport winds.....Northwest 18 mph becoming north 10 mph
                    overnight.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Max temperature.....88-93.
Min humidity........7-12 percent.
Wind (20 ft)........East winds 2-4 mph becoming southwest 4-8 mph by
1200. Gusts up to 20 mph possible in the afternoon.
Smoke dispersal.....Poor (5000-25000 knot-ft) increasing to excellent
by 1100, and decreasing to very good after 1600.
Haines Index........6 or high.
LAL.................1.
Mixing height.......800 ft AGL increasing to 15600 ft AGL by 1400.
Transport winds.....North 16 mph shifting to the west 18 mph in the
                    afternoon.

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (30-40 percent) until 2300, then
becoming mostly cloudy (45-55 percent).
CWR.................0 percent.
Min temperature.....56-61.
Max humidity........39-44 percent.
Wind (20 ft)........West winds 4-8 mph decreasing to 2-4 mph after
2100. Switching to the north by 0200.
Smoke dispersal.....Very good decreasing to good by 1900, and to
poor (6000-10000 ft AGL) by 2000.
Haines Index........6 or high.
LAL.................1.
Mixing height.......13400 ft AGL decreasing to 900 ft AGL by 2100.
Transport winds.....Northwest 11 mph.

.FRIDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers through the day. Chance of
                    thunderstorms after 1200.
CWR.................20 percent.
Max temperature.....76-81.
Min humidity........27-32 percent.
Wind (20 ft)........Northwest winds 2-4 mph becoming southwest winds
4-8 mph by 1100. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Smoke dispersal.....Poor (5000-36000 knot-ft) increasing to fair
by 1200, to good by 1300, and to very good by
1500.
Haines Index........6 or high.
LAL.................1 until 0900, then 2 until 1200, then 4.
Mixing height.......800 ft AGL increasing to 8800 by 1700
Transport winds.....West 10 mph.

$$
Forecaster...Brianna Bealo
Requested by...Fred Ellis
Type of request...WILDFIRE
.TAG 2415983.1/GJT
.DELDT 06/12/24
.FormatterVersion 2.0.0
.EMAIL fred.ellis@usda.gov