170 likes | 630 Views
Naturedisasters. Tornados. Questions. What is a tornado? How strong is a tornado? Where do tornados occur? What to do at a Tornado-”attack” Types of tornados Tornado spotters. What is a tornado?. A tornado is a violently rotating column of air. Tornadoes come in many sizes
E N D
Naturedisasters Tornados
Questions • What is a tornado? • How strong is a tornado? • Where do tornados occur? • What to do at a Tornado-”attack” • Types of tornados • Tornado spotters
What is a tornado? • A tornado is a violently rotating column of air. • Tornadoes come in many sizes • The biggest is 1,6 km wide and rotates with 480 km/h
How strong is a tornado? • Most tornados have wind speed up to 177 km/h. • They are normally 25m across • Tornadoes are scaled F1-F5. F5 is the strongest
Where do tornados occour? • Tornadoes have been observed on every continent except Antarctica. • Tornados commonly occur in: • America
What to do at a Tornado-”attack” • Seekhideinside. • Find something to use as a shield, so you wont get things in the head. • Hide in a basement, if you don’t got one, then on the lowest floor. • Keep away from any kind of glass, windows and such.
Tornado spotters • A tornado spotter spots tornados and how they act • NWS started collecting information in 1970 • There are now more than 230.000 spotters in US