Tornado Destruction

Barn destruction by a tornado in Brittany - Houdini FX
Shot with a GoPro from my car.
Matchmoving done with 3DEqualizer
Modeling of the barn and haystacks with Maya
Simulations : nCloth sim of the haystacks in Maya, destruction of the barn and tornado fluid sim in Houdini
Rendering : barn rendered in deep EXR with Arnold, tornado rendered in deep EXR with Mantra
Sky matte painting with Photoshop
Deep compositing with NukeX