1. Tornadoes are formed from the extremely large thunderstorms called super cells.
2. They can last up to 1-2 hours or 4 hours, in extreme cases, and can be as tall as 75 feet.
3. The most destructive tornado recorded to date was the one in Bangladesh on April 26 1989 which killed 1300 people.
4. Bangladesh has had more than 19 tornadoes in its history killing more than 100,000 people.
5. The sky turns to a green looking color when there is a tornado.
6. The effects of a tornado can extend up to 50 miles.
7. Tornadoes can suck up anything in their path, killing people and animals, and destroying homes and buildings.
8. They can be different types of shapes and sizes.
9. A tornado normally appears transparent until it picks up dust and mud from the ground.
10. Tornadoes are the fastest winds on Earth.
11. Their rapid rotation often form a visible funnel of condensed water.
12. They are most likely to happen in the late April-May.
13. Waterspouts are tornadoes that form over a body of water.
14. The United States averages around 1200 tornadoes each year.
15. During a tornado basements and underground areas are the safest place to hide out.
16. Tornadoes can also be called twisters.
17. Only 2% of all tornadoes are labeled as “violent tornadoes” that can last over a hour.
18. Do not open windows during severe storms as it allows dust and debris to enter the house.
19. Tornadoes are rated on a scale (Fajita scale) which tests the tornado to see how strong it is/was.
20. Rain, wind, lightning or hail may accompany a tornado, but none of them can predict of an oncoming tornado.
21. Most tornadoes travel a few miles before exhausting themselves.
22. A tornado that occurs over water is often called a waterspout.
23. In the southern hemisphere tornadoes usually rotate in a clockwise direction.
24. Weather radars are used to detect tornadoes and give an advanced warning.
25. Basements and other underground areas are the safest places to be during a tornado. It is also a good idea to stay away from windows.