


Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
049 FNUS22 KWNS 231902 FWDDY2 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0201 PM CDT Sat Aug 23 2025 Valid 241200Z - 251200Z The isolated dry thunderstorm highlights were adjusted to cover initial storms progressing over a deep, dry boundary layer, and receptive fuels. Otherwise, the previous forecast remains on track, with no other changes made. ..Squitieri.. 08/23/2025 .PREV DISCUSSION... /ISSUED 0157 AM CDT Sat Aug 23 2025/ ...Synopsis... Along the northwestern periphery of an amplified large-scale ridge extending from the Southwest to the Pacific Northwest, monsoonal moisture will continue spreading northward from the Great Basin into northern CA and OR. This will contribute to sufficient buoyancy for diurnally driven thunderstorms during the afternoon into the evening -- likely aided by a convectively augmented/generated midlevel vorticity maximum/MCV emerging from the northern Sierra. A mix of wet/dry thunderstorms are expected, and given receptive fuels across the region, lightning-induced ignitions will be possible away from any heavier precipitation cores that evolve. ...Please see www.spc.noaa.gov/fire for graphic product... $$