what are some cool demonstrations I can do about tornadoes to make a report more interesting?

Question

like shooting something at the speed an object would be propelled in a tornado at brick or something like that, or one for a cool tornado model

Answer 1

get 2 ) 2 liter soda bottles
fill on with water.
tape the empiy one to the full one ( opening to opening)
turn them upside down and you have instant tornado in a bottle
if that doesnt work shoot the bottles out at 200 mph that would be fun too

Answer 2

Spin your finger in a tall glass of water.