602
FNUS21 KWNS 240657
FWDDY1

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0157 AM CDT Mon Aug 24 2026

Valid 241200Z - 251200Z

...Synopsis...
A subtle/low-amplitude midlevel wave will move northeastward across
parts of the northern Great Basin today. Farther south, a separate
shortwave trough will track southeastward across the
central/southern Plains -- along the northeastern periphery of an
expansive upper ridge centered on the southern Rockies. In response
to this feature, a surface low will evolve slowly eastward across
parts of OK.

...Dry Thunderstorms - Northern Great Basin...
Diurnal heating/boundary-layer mixing beneath a well-established
midlevel moisture plume will contribute to weak surface-based
destabilization across parts of the northern Great Basin today. As
large-scale forcing for ascent accompanying the midlevel wave
overspreads this instability, isolated high-based thunderstorms will
track northeastward across the area. The deeply mixed boundary layer
(inverted-V profiles) and 25-30 mph storm motions will favor dry
thunderstorms capable of lightning-induced ignitions -- given
receptive fuels.

...Southern Plains...
Along/behind the evolving surface low, a dry air mass (15-20 percent
RH) will develop amid 15-20 mph sustained west-southwesterly surface
winds. These dry/breezy conditions atop increasingly dry fuels
(95th+ percentile ERCs) will yield elevated fire-weather conditions
during the late morning and afternoon.

..Weinman.. 08/24/2026

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

$$