Strongly rotating vortices are an increasingly recognized feature of wildfire convective plumes, ranging from organized counter-rotating vortex pairs to rare tornado-strength circulations capable of producing substantial fireground hazards. Yet the processes that generate, organize, and intensify vorticity within wildfire plumes remain incompletely understood. This presentation examines several recent examples of organized rotation in large wildfires using radar, satellite, photographic, and numerical-modeling analyses.

During the 2025 Deer Creek Fire in eastern Utah, an EF2-damaging fire-generated tornadic vortex developed within a cyclonic mountain wake downstream of the La Sal Range. Observations reveal a striking sequence in which terrain-generated rotation preceded fire intensification, vortex strengthening, and, ultimately, rapid plume deepening into a pyrocumulonimbus cloud. The event demonstrates that intense fire vortices need not originate from deep moist convection and highlights the potential role of predictable terrain-induced circulations in extreme fire behavior.

We also examined organized and long-lived CVP structures observed during the Park Fire and relate their evolution to plume-scale dynamics. These observations are compared with previous analyses of similar vortex-pair structures during the Dixie Fire, providing a framework for understanding recurring modes of organized rotation within wildfire convective plumes.

Together, these cases illustrate multiple pathways through which environmental and fire-generated vorticity can become concentrated within wildfire plumes and motivate new approaches for anticipating hazardous fire-atmosphere interactions.