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Tornadoes

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by

sophie smith

on 9 May 2013

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Transcript of Tornadoes

What are tornadoes? What are the different types of tornadoes? What are the short and long term impacts of tornadoes to the natural environment? What are the short and long term effects of tornadoes to the human environment? Are there measures able to be taken to protect yourself from tornadoes? DID YOU KNOW? Tornado winds are the fastest winds on earth! These winds can be anything from 360-500 km per hour Are tornadoes and cyclones the same thing? Tornadoes and cyclones are not the same thing! They both are to do with turbulent winds but are very different a cyclone being it last for days/weeks and covers a large area unlike a tornado which is just a spiral of wind and only lasts an hour maximum. There are different types of tornadoes. Every tornado is different to another; whether it’s their size, shape or the amount of damage it causes. There’s also others like a fire tornado. A fire tornado is when a tornado forms above a fire causing the fire to get ‘whipped’ into the chaos. These tornadoes are rare- it being a fire and tornado mixed together = DAMAGE! A water tornado is another type of tornado, when a tornado is made in or above water. These tornadoes don’t cause much damage because they’re not on land – It would only be dangerous if people were either in the water (boat) or the tornado was on the beach. A tornado can create many long and short term effects to the environment. Some of the short term effects include loss of animal homes and trees and plants being uprooted. The long term effects can consist of of vegetation taking over centuries to regrow and diseases in the soil can also be spread. What are they caused by? Tornadoes are mainly caused by large aggressive thunderstorms. Tornadoes are usually formed in humid weather as it needs two air masses to pass each other and rotate. The rotating column of air then grows until it reaches the ground and that’s when the trouble starts! A tornado is a destructive vortex of air extending down from a thunderstorm to the ground. Large and damaging tornadoes are pretty rare but when they do occur they can destroy acres of land in their path. An average tornado only lasts 5 to 10 minutes but the most violent ones can last for up to an hour. Though tornadoes only last a very short time they can damage buildings, homes and other things that are hard to re-build. Tornadoes By Camille Gerrard & Sophie Smith Bibliography http://www.weatherwizkids.com/weather-tornado.htm

environment.nationalgeographic.com.au/environment/.../tornado-profile

https://en.wikipedia.org/wiki/Tornado After a tornado hits there are many bad outcomes. Tornadoes can destroy buildings, houses/properties - practically anything (But ONLY if it’s a very big tornado). Tornadoes can cause deaths and can ruin a whole town’s economy, leaving people having nowhere to go and sometimes people leave the vicinity because there’s nothing to live off. Tornadoes don’t just cause physical damage but also emotional damage because when people sees there land being destroyed or losing their loved ones they can get very traumatized and this can take even longer to heal than the physical damage. If you live in a tornado prone area it is good to have a bunker/basement in your house or very close to escape the whirling winds. You can stay clear of open areas and find shelter immediately. Also make sure you know the signs of a tornado. If you’re in a building avoid windows at any time and crouch low to the ground. The main thing to watch for is flying objects, for example trucks and trees. The tri - state tornado case study
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