671
FNUS75 KGJT 211828
FWSGJT

Spot Forecast for Redvale Spot...San Miguel Sherriff
National Weather Service Grand Junction CO
1228 PM MDT Sat Sep 21 2024

Forecast is based on forecast start time of 1200 MDT on September 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...An approaching storm system will bring increasing chances
of showers and thunderstorms through the afternoon. Dry surface levels
will keep the main threats gusty winds and lightning through the early
afternoon hours. As more moisture moves in, look for increasing chances
of wetting rains. This system will move quickly to the northeast, with
drying conditions through the overnight. Tomorrow will be generally dry
and cooler, although a slight chance of afternoon showers and storms
remains.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers and
                    chance of thunderstorms through the afternoon.
CWR.................70 percent.
Max temperature.....67-72.
Min humidity........24-29 percent.
Wind (20 ft)........Southwest winds 8-12 mph, becoming southeast by
1800. Gusts up to 20 mph in the afternoon. Gusty
and erratic winds expected near thunderstorms.
Smoke dispersal.....Very good decreasing to good by 1300, decreasing
to fair by 1400, and decreasing to poor
(16000-18000 knot-ft) by 1800.
Haines Index........4 or low.
LAL.................4.
Mixing height.......8100 ft AGL decreasing to 4500 ft AGL after 1400.
Transport winds.....Southwest 20 mph.

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers and
                    chance of thunderstorms before 2200, then
                    chance of rain showers and slight chance of
                    thunderstorms.
CWR.................10 percent.
Min temperature.....40-45.
Max humidity........95-100 percent.
Wind (20 ft)........Southeast winds 8-12 mph, decreasing to 4-8 mph
after 2400. Gusts up to 20 mph possible before
2200. Gusty and erratic winds expected near
thunderstorms.
Smoke dispersal.....Poor (4000-17000 knot-ft).
Haines Index........3 or very low.
LAL.................4 until 2400, then 3 until 0500, then 2 until
0600, then 1.
Mixing height.......1700 ft AGL decreasing to 850 ft AGL by 2200.
Transport winds.....Southeast 10 mph.

.SUNDAY...

Sky/weather.........Mostly sunny (45-55 percent). Slight chance of
rain showers and thunderstorms after 1200.
CWR.................0 percent.
Max temperature.....63-68.
Min humidity........38-43 percent.
Wind (20 ft)........Southeast winds 3-5 mph becoming northwest winds
4-8 mph by 1200. Switching to the south by 1800.
Gusty and erratic winds expected near thunderstorms
in the afternoon.
Smoke dispersal.....Poor (4000-34000 knot-ft) increasing to fair
by 1500, then decreasing again to poor
(28000-34000 knot-ft) after 1600.
Haines Index........3 or very low.
LAL.................1 until 1200, then 2.
Mixing height.......820 ft AGL increasing to 6200 ft AGL by 1500.
Transport winds.....East 5 mph shifting to the north 10 mph in the
                    afternoon.

$$
Forecaster...Brianna Bealo/Braeden Winters
Requested by...Nick Adams
Type of request...WILDFIRE
.TAG 2422833.0/GJT
.DELDT 09/21/24
.FormatterVersion 2.0.0
.EMAIL ccs@sanmiguelsherriff.org