912
FNUS75 KGJT 191445
FWSGJT

Spot Forecast for North Elk Ridge RX...USFS
National Weather Service Grand Junction CO
845 AM MDT Thu Sep 19 2024

Forecast is based on ignition time of 0900 MDT on September 19.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Dry and sunny conditions will continue through
Friday with breezy afternoon winds at times. Winds will remain
terrain driven with gusts picking up late Friday ahead of a storm
system that will bring scattered showers and storms to the area
Saturday. Smoke dispersal will be good to very good through
Friday.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....61-66.
Min humidity........23-28 percent.
Wind (20 ft)........Downslope/downvalley winds 5 mph until 1000, then
                    becoming upslope/upvalley (south at ridgetops)
                    5 to 10 mph with gusts to 18 mph in the afternoon.
Smoke dispersal.....Poor (30000 knot-ft) increasing to good in the
                    afternoon.
Haines Index........3 or very low.
LAL.................1.
Mixing height.......2300 ft AGL increasing to 5100 ft AGL in the
                    afternoon by peak heating.
Transport winds.....South 16 mph.
Clearing Index......300 increasing to 820 in the afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Min temperature.....42-47.
Max humidity........52-57 percent.
Wind (20 ft)........South winds 8 to 12 mph in the early evening,
                    then becoming downslope/downvalley 5 mph after
                    sunset.
Smoke dispersal.....Fair decreasing to poor (0 knot-ft) overnight.
Haines Index........3 or very low.
LAL.................1.
Mixing height.......4200 ft AGL decreasing to 0 ft AGL overnight.
Transport winds.....South 12 mph.
Clearing Index......540 decreasing to 50 overnight.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Max temperature.....62-67.
Min humidity........21-26 percent.
Wind (20 ft)........Downslope/downvalley winds 5 mph until 1000, then
                    becoming upslope/upvalley (south at ridgetops)
                    8 to 12 mph with gusts to 20 mph in the afternoon.
Smoke dispersal.....Fair increasing to very good in the afternoon.
Haines Index........5 or moderate.
LAL.................1.
Mixing height.......3000 ft AGL increasing to 6300 ft AGL in the
                    afternoon.
Transport winds.....South 19 mph.
Clearing Index......480 increasing to 1050 in the afternoon.

$$
Forecaster...Matt Aleksa
Requested by...Timothy Spurr
Type of request...PRESCRIBED
.TAG 2422716.0/GJT
.DELDT 09/19/24
.FormatterVersion 2.0.0
.EMAIL timothy.spurr@usda.gov