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Day 2 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0143 AM CDT Tue Aug 20 2024

Valid 211200Z - 221200Z

...Synopsis...
Broad southwesterly mid-level flow, and a progressive shortwave
trough moving through the northern Great Basin/Northwest U.S., will
bring sustained dry/windy conditions to portions of Nevada, Utah,
and Idaho on Wednesday. 

...Dry/Windy...
Deep boundary-layer mixing beneath broad southwesterly mid-level
flow, and a progressive shortwave trough moving from northern
Nevada/southern Oregon into Idaho and Montana, will be responsible
for elevated fire-weather conditions across the Great Basin on
Wednesday. High-resolution ensemble guidance suggests there may be a
narrow corridor of critical fire-weather conditions across Nevada,
where relative humidity values will drop into the single digits and
winds could get as high as 20-25 MPH. This area currently overlaps
with fuels that are not expected to be receptive to wildfire spread,
with ERC values around the 60th-65th annual percentiles. However,
with dry/windy conditions expected the preceding day, some
additional curing of fuels can be expected, and critical highlights
could be needed in subsequent updates. 

...Dry Thunderstorms...
A mix of wet and dry thunderstorms will be possible across
southwestern Montana, with additional dry thunderstorm development
likely across southern Colorado and northern New Mexico. However,
current fuels guidance suggests that both of these regions are
unlikely to be receptive to new ignitions and wildfire spread, with
ERC values below the 60th annual percentile for both regions.

..Halbert/Squitieri.. 08/20/2024

...Please see www.spc.noaa.gov/fire for graphic product...