Project Vortex-99. A backlit funnel cloud and tornado. Note the debris column.
Project Vortex - a shear funnel is observed.
Rope-like funnel cloud.
A funnel cloud approaching the ground.
Funnel cloud - a tornado that isn't on the ground.
Tornado at beginning of life
Funnel cloud that spawned a category F5 tornado.
A funnel cloud near Salina, Kansas on April 14, 2011.
A different view of the funnel cloud near Salina, Kansas.