American Red Cross: Tornado: Gives tips of what to do in case of a tornado.
Billy and Maria: Weather Coloring Books for Children: Join Billy and Maria as they learn about tornado safety and winter weather in these printable pages.
Experts Answer Tornado Questions: Everything about tornados explained by the experts.
Exploratorium: Science Snacks: Vortex: How to make a mini tornado out of plastic bottles.
FEMA for Kids: Tornadoes: Emergency information, stories, pictures, reports, projects, and math.
National Geographic: Tornadoes: Shows video clips, detection information, and photography of tornadoes and waterspouts in the United States.
NOAA Photo Library: Tornadoes: Offers many pictures and some drawings of tornadoes.
Questions and Answers About Tornadoes: Answers some of the most common questions about tornadoes.
S.W.I.R.L.: A fun introduction to tornadoes from Warner Bros. Read the safety information and the storm chaser's guide.
Sky Diary: Tornadoes: What causes tornadoes and how they are measured.
The Tornado and Storm Research Organisation: Independent and privately supported research body in the United Kingdom focusing on tornadoes and severe local storms.
Tornado Alley: Explains why some areas of the United States get lots of tornadoes.
Tornadoes: Looks at what tornadoes are, how they are measured, how they have impacted the world in the past, and what people can do to prepare for them. Includes activity sheets.
Tornadoes: Many Are Different From What Dorothy Saw: Pictures and information about thiry-two different shapes, sizes, and colors of tornadoes.
Tornadoes: Nature's Most Violent Storms: Describes how tornadoes form, how many there really are, and what to do if one is coming toward you.
Tornadoes: Nature's Most Violent Wind: Contains information about tornadoes such as how they are formed, how they are ranked, and the structure of a tornado.
Tornadoes: Nature's Most Violent Windstorm: Pictures of tornadoes and waterspouts, how they forum, myths, and safety tips.
Tornadoes: The National Severe Storms Laboratory Album: Lots of pictures of tornadoes.
Tropical Twisters: Find out what a tropical twister is, how it moves, how destructive they can be, and try the hurricane word search.
Twister: Lists information about twisters such as what they are, how they affect the landscape, and where the energy of a twister comes from.
USAToday.com - Tornadoes are Earth's Most Violent Storms: This guide will help you understand tornadoes and how to keep yourself safe when one threatens you.
WeatherQuestions.com: What Causes Tornadoes?: A description of the special conditions that can cause a thunderstorm to become tornadic.
Web Weather for Kids: Tornadoes: Do an experiment to make a small tornado with stuff around the house.
What creates a tornado?: Find out nature's recipe for creating a tornado and why the United States is the tornado capital of the world.