Watch the horizontal vortex extend from the base of the funnel outward in this violent storm. Click on the image to enlarge.
Here is footage of the Tuscaloosa Alabama tornado as it passes by. It is slowed down. Watch the spinning horizontal vortex spawn a vortex at right angle from it. It dangles like a rope. Click on the image to enlarge.
Click on the image to enlarge.
Watch the strange satellite vortices as it spins independently of the parent storm. Click on the image to enlarge.
This tornado was an extremely violent tornado. Here you can see multiple vortices with almost horizontal rotation. It produced damage like you see with the bus piled high on the debris pile.
The extreme violence of the Tuscaloosa Alabama tornado can be seen in this stabilized footage. Click on the image to enlarge.