Helpful Research Links

Here are some links that I found during my initial research:

http://www.amazon.com/American-Educational-Tornado-Demonstration-Model/dp/B00658DTOA

(Educational Model on Amazon, about 18 inches and about $220)

http://www.teachersupplysource.com/product/60531/american-educational-products/science/meteorology/scott-resources-and-hubbard-scientific-tornado-demonstration-model/#dp_images

(Teaching Tornado, about 2 feet tall and about $190)

http://eo.ucar.edu/webweather/tornact3.html

Simple experiment with cardboard

http://www.accuweather.com/en/features/trend/how-to-build-a-tiny-tornado-diy-project/64620

DIY tornado machine

http://www.tornadoproject.com/cellar/workshop.htm

Step by step instructions for a DIY tornado machine (contained)

http://www.instructables.com/id/diy-tornado-machine/

Informative DIY video

http://www.youtube.com/watch?v=oM1FVAYE2pg

Video of large, unconfined tornado

-Wyatt