332
FNUS75 KBOI 081205
FWSBOI

Spot Forecast for CZ Piles- Cold landing piles...USFS
National Weather Service Boise ID
505 AM MST Fri Nov 8 2024

Forecast is based on ignition time of 0600 MST on November 08.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (208)334-9060, if you have questions
or concerns with this forecast.

...VALLEY INVERSION UNDER HIGH PRESSURE ALOFT TODAY INTO SATURDAY...
...COLDER AND WETTER CONDITIONS SUNDAY THROUGH TUESDAY...

.DISCUSSION...
Building high pressure aloft today into Saturday will continue the
warming above the cold valleys, resulting in an inversion with poor
mixing and ventilation. Mixing heights, at best, are forecast to reach
about 900 feet AGL today. Winds will also be very light today, and no
rain is expected until Saturday night at the earliest. Could see up to
0.05" of rain total. Still on track for a stronger trough Monday that
is expected to bring wetting rains. There is a 70% chance of 0.50" or
greater of rain at the burn site. A few inches of snow may also be
possible Tuesday morning.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....44 to 49.
Min humidity........39 to 44 percent.
CWR.................0 percent.
LAL.................1.
Wind - 20 foot......East around 3 mph in the morning shifting to
                    the southwest 3 to 4 mph in the afternoon.
Mixing height.......900 ft AGL.
Transport winds.....South around 5 mph.
Haines Index........4 low.
Ventilation Index...45 poor.

.TONIGHT...

Sky/weather.........Partly cloudy in the evening then becoming
                    mostly cloudy overnight.
Min temperature.....24 to 29.
Max humidity........85 to 90 percent.
CWR.................0 percent.
LAL.................1.
Wind - 20 foot......East around 3 mph.
Mixing height.......100 ft AGL.
Transport winds.....Southeast around 0 mph.
Haines Index........4 low.
Ventilation Index...0 poor.

.SATURDAY...

Sky/weather.........Partly sunny. A 20 percent chance of rain
                    showers in the evening.
Max temperature.....46 to 51.
Min humidity........38 to 43 percent.
CWR.................0 percent.
LAL.................1.
Wind - 20 foot......Southeast around 5 mph.
Mixing height.......1500 ft AGL.
Transport winds.....South around 5 mph.
Haines Index........3 very low.
Ventilation Index...75 poor.

$$
Forecaster...Smith
Requested by...Dan Wolf
Type of request...PRESCRIBED
.TAG 2425531.4/BOI
.DELDT 11/08/24
.FormatterVersion 2.0.0
.EMAIL daniel.wolf@usda.gov,will.woods@usda.gov