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Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
1228 AM CDT Sun Sep 29 2024

Valid 291200Z - 301200Z

...CRITICAL FIRE WEATHER AREA FOR NORTHWESTERN
NEBRASKA...WEST-CENTRAL SOUTH DAKOTA...AND SOUTHERN NORTH DAKOTA...

...Synopsis...
Elevated to critical fire-weather conditions are expected across
much of the Intermountain West into the northern Great Plains as a
progressive mid-level trough traverses the Canadian prairies. The
deepening surface cyclone and tightening surface pressure gradients
associated with this trough will result in widespread dry and windy
conditions over receptive fuels. 

A narrow Critical area has been maintained where the highest
confidence in 20-25 MPH winds and relative humidity values below 15%
are expected to overlap with ERC fuels exceeding the 95th annual
percentiles. Portions of central and eastern Wyoming may also
experience locally critical conditions, though confidence in the
magnitude and spatial extent of surface winds precludes Critical
highlights at this time.

Further west, elevated fire-weather conditions are expected across
central and eastern Nevada into western Utah, as well as portions of
Columbia River Basin in Washington. Winds in the Columbia River
Basin could be as high as 20-25 MPH, but forecast guidance shows
significant spread in the forecast boundary-layer relative humidity
values (15-25%). Across the Great Basin, winds will generally remain
in the 15-20 MPH range with relative humidity values of 10-15%.

..Halbert.. 09/29/2024

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