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Day 2 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0159 PM CDT Thu Aug 22 2024

Valid 231200Z - 241200Z

...CRITICAL FIRE WEATHER AREA FOR PARTS OF THE EASTERN GREAT
BASIN...

...Dry Thunder...
Model guidance continues to suggest isolated to widely scattered
thunderstorms are likely east of the upper low across parts of OR,
ID and MT Friday afternoon and evening. A mix of wet and dry storms
is expected with PWATs of 0.7 to 1 inches expected. While the
low-levels are not overly dry, relatively high cloud bases (~2 km)
and fast storm speeds around 40 mph will tend to limit wetting
rainfall. These drier storms will favor an increased risk for
lightning atop very receptive fuels over eastern OR and western ID.
Have adjusted the IsoDryT area to better match the expected coverage
of storms over eastern OR and western ID.

Otherwise, the previous forecast remains valid. Elevated to critical
fire-weather conditions are likely over the Great Basin. Brief
elevated fire-weather conditions are also possible over the southern
Plains. See the previous discussion.

..Lyons.. 08/22/2024

.PREV DISCUSSION... /ISSUED 1156 PM CDT Wed Aug 21 2024/

...Synopsis...
A deepening mid-level trough will progress across the Interior West
as upper ridging continues across the Plains to the Eastern Seaboard
tomorrow (Friday). Strong mid-level flow aloft and associated upper
support, amid a deep, dry boundary layer, will foster Elevated to
Critical conditions across the Great Basin, with sustained
southwesterly surface winds approaching 25 mph in spots, and RH
dipping into the 15-20 percent range. Furthermore, upper support
amid adequate buoyancy will promote the development of both wet and
dry thunderstorms across portions of the Pacific Northwest (mainly
central into eastern Oregon). Given receptive fuels in the area,
isolated dry thunderstorm highlights have been added.

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