Typhoon Roke caused some Von-Karman Vortices to form over the southern sea of Jeju-do island,south korea.
Von Karman vortices are caused by a object which is above a flow of fluid that includes air, blocks a current and causes vortices in the opposite facing side of the object.A Mountain must be higher than 1300 meters which is sometimes above the flow of air currents before it could cause this vortcies.In this image, you can see the north west part of Typhoon Roke and winds from this part of the typhoon move south, which cause Von Karman vortcies south of Jeju-do island.
Typhoon Roke's Von-Karman Vortices
Von Karman vortices are caused by a object which is above a flow of fluid that includes air, blocks a current and causes vortices in the opposite facing side of the object.A Mountain must be higher than 1300 meters which is sometimes above the flow of air currents before it could cause this vortcies.In this image, you can see the north west part of Typhoon Roke and winds from this part of the typhoon move south, which cause Von Karman vortcies south of Jeju-do island.
Typhoon Roke's Von-Karman Vortices