823
FNUS75 KBOI 151353
FWSBOI

Spot Forecast for BBEF Burn Block 2 Subunit 1...USFS
National Weather Service Boise ID
753 AM MDT Wed May 15 2024

Forecast is based on ignition time of 0700 MDT on May 16.
If conditions become unrepresentative...contact the National Weather
Service.

...WARM AND DRY THROUGH FRIDAY...
...ELEVATED WINDS AND COOLER ON FRIDAY WITH AM COLD FRONTAL PASSAGE...

.DISCUSSION...
A ridge will bring hot temperatures and low RHs to the burn area
today and tomorrow. Light and variable winds and clear conditions
are anticipated tonight into tomorrow morning, with afternoon
westerly winds expected to increase slightly tomorrow afternoon
around 2-4pm. Winds will be about 4-6 mph stronger on the
ridgetops. The cold front on Thursday night into Friday looks to
move through very early in the morning bringing northwest winds
around 10-15 mph with gusts to 25 mph, with medium confidence in
passage around 3-6 am. There is low confidence (<10% chance) of a
passing shower with this cold frontal passage in the early morning
as well. Afternoon winds on Friday will increase as well, with gusts
up to 30 mph possible on ridgetops.


.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....75 to 80.
Min humidity........24 to 29 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....Less than 3 mph in the morning, becoming west
                    around 6 mph with gusts to around 10 mph in the
                    afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....West around 15 mph.
Haines Index........3 very low.
Ventilation index...1050 excellent.

.THURSDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....38 to 43.
Max humidity........81 to 86 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....Northwest 4 to 7 mph. Gusts up to 18 mph in the
                    evening.
Mixing height.......300 ft AGL.
Transport winds.....Northwest around 12 mph.
Haines Index........3 very low.
Ventilation index...36 poor.

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....62 to 67.
Min humidity........26 to 31 percent.
CWR /0.10 inch/.....0 percent.
LAL.................1.
Wind - eye level....West 10 to 15 mph in the morning, increasing to
                    15 to 20 mph with gusts to around 28 mph in the
                    afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....Northwest around 25 mph.
Haines Index........3 very low.
Ventilation index...1750 excellent.

$$
Forecaster...Adams
Requested by...Nick Becharas
Type of request...PRESCRIBED
.TAG 2414272.0/BOI
.DELDT 05/16/24
.FormatterVersion 2.0.0
.EMAIL nicholas.becharas@usda.gov