SPC Day 1 Fire Weather Outlook
[html]SPC Day 1 Fire Weather Outlook

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1135 AM CDT Mon Jul 29 2024
Valid 291700Z - 301200Z
The previous forecast (see below) generally remains on track, with
no changes or additions made. A dry thunderstorm or two may traverse
southern Montana or northern Wyoming during the afternoon. However,
thunderstorm coverage is expected to be too sparse to warrant dry
thunderstorm highlights.
..Squitieri.. 07/29/2024
.PREV DISCUSSION... /ISSUED 0155 AM CDT Mon Jul 29 2024/
...Synopsis...
A broad large-scale trough will move slowly eastward across the
Northwest during the day, while an expansive upper ridge remains
centered over the south-central CONUS. Between these features,
moderate (around 30 kt) midlevel west-southwesterly flow will
persist across much of the Great Basin into the Northern Rockies and
adjacent High Plains.
...Northern Rockies/High Plains and Great Basin...
Deep boundary-layer mixing into the enhanced flow aloft from
southern NV into southern UT will favor 5-10 percent minimum RH and
15-20 mph sustained southwesterly surface winds. Given at least
modestly receptive fuels over the area, elevated fire-weather
conditions are expected during the afternoon.
Farther north, a modest pressure gradient along the western
periphery of a surface trough, coupled with the enhanced flow
through a diurnally deepening boundary layer, will yield around 20
mph sustained west-southwesterly surface winds across portions of
the northern Rockies/Intermountain West and adjacent High Plains.
Over southern ID and north-central MT, these breezy/gusty winds will
overlap 15-20 percent afternoon RH, resulting in elevated to spotty
critical fire-weather conditions.
...Please see www.spc.noaa.gov/fire for graphic product...
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Source: SPC Day 1 Fire Weather Outlook (http://ht**://www.spc.noaa.gov/products/fire_wx/fwdy1.html)