Page last updated at 16:11 GMT, Friday, 8 September 2006 17:11 UK

Animated guide: Tornadoes

If you would like a printable, non-animated version of this tornado graphic, click on the following link to open a PDF file and then follow the icon to print that file.

Most computers will open PDF documents automatically, but you may need to download Adobe Acrobat Reader.


The BBC is not responsible for the content of external internet sites

Has China's housing bubble burst?
How the world's oldest clove tree defied an empire
Why Royal Ballet principal Sergei Polunin quit

BBC navigation

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific