Virginia Search and Rescue Dog Association

Fanning Plumes: When air hodls at the same elevation, without rising or falling. Occurs at night, and in valleys.

Visualize the air like a thermocline.

">Fanning Plumes : When air hodls at the same elevation, without rising or falling. Occurs at night, and in valleys.

Visualize the air like a thermocline.

Eddying
Eddying: When flowing air moves along/over a large linear obstacle, like a treeline, and the air curls around the edges and swirls.