922
FNUS75 KGJT 262212
FWSGJT

Spot Forecast for West Rim RX 20A...BLM
National Weather Service Grand Junction CO
412 PM MDT Thu Sep 26 2024

Forecast is based on ignition time of 1400 MDT on September 27.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Temperatures will continue to run around 10 degrees above
normal through the weekend, with highs near 80 each day. Winds are
expected to remain generally light and terrain driven as well. While dry
conditions are expected to persist through the period, a little bit of
extra moisture is anticipated to sneak in from the southeast, bringing
minimum humidities at the fire location up above 13 percent.

.FRIDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....78-83.
Min humidity........14-19 percent.
Wind (20 ft)........Downslope/downvalley winds 4-8 mph becoming upslope/
upvalley winds by 1300.
Smoke dispersal.....Poor (1000-26000 knot-ft) increasing to fair by 1200,
and to good by 1500. Decreasing to fair by 1700, and
to poor (28000-32000 knot-ft) by 1800.
Haines Index........5 or moderate.
LAL.................1.
Mixing height.......300 ft AGL increasing to 10700 ft AGL by 1500.
Transport winds.....South 10 mph.

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Min temperature.....52-57.
Max humidity........42-47 percent.
Wind (20 ft)........Upslope/upvalley winds 4-8 mph becoming downslope/
downvalley winds by 2100.
Smoke dispersal.....Poor (1000-32000 knot-ft).
Haines Index........5 or moderate.
LAL.................1.
Mixing height.......6300 ft AGL decreasing to 300 ft AGL by 2000.
Transport winds.....Southeast 12 mph.

.SATURDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Max temperature.....76-81.
Min humidity........15-20 percent.
Wind (20 ft)........Downslope/downvalley winds 4-8 mph becoming upslope/
upvalley winds by 1300. Gusts up to 18 mph possible
during the afternoon.
Smoke dispersal.....Poor (1000-7000) increasing to fair by 1000, to
good by 1100, and to very good by 1200. Decreasing
to good by 1600, and to fair by 1800.
Haines Index........4 or low.
LAL.................1.
Mixing height.......300 ft AGL increasing to 10700 ft AGL by 1600.
Transport winds.....South 14 mph.

$$
Forecaster...Brianna Bealo
Requested by...Brennon Ellis
Type of request...PRESCRIBED
.TAG 2423095.0/GJT
.DELDT 09/26/24
.FormatterVersion 2.0.0
.EMAIL tcorbin@blm.gov,jwott@blm.gov,bellis@blm.gov,rlromero02@gmail.com