Tornado

Topics: Tornado, Waterspout, Funnel cloud Pages: 3 (433 words) Published: June 1, 2013
Title: Tornado

General Goal: To inform the audience about tornado

Specific Goal: To inform the audience about some facts about tornadoes.

Thesis Statement: To inform the audience about the types of tornadoes, the causes of tornadoes, and odd occurrences that may be associated with tornadoes.

Introduction:

I. Attention grabber: What can hurdle automobiles through the air, rip ordinary homes to shreds, de-feather chickens, and travel at speeds over 60 mph?

II. Listener Relevance: Tornado is listed as one among the most danger disaster in the world. The most violent tornadoes have rotating winds of 250 miles per hour or more. They are capable of causing extreme destruction, including uprooting trees and well-made structures, and turning normally harmless objects into deadly missiles. Most tornadoes are just a few dozen yards wide and only briefly touch down, but highly destructive violent tornadoes may carve out paths over a mile wide and more than 50 miles long

III. Speaker credibility: I became interested in this topic since the first time I watched the National Geographic which discover about the natural disaster occurrence.

IV. Thesis Statement: Today I’m going to explain some fascinating facts about tornadoes.   Specifically, I will explain on the types of tornadoes, the causes of tornadoes, and odd occurrences that may be associated with tornadoes.

Body

I. First and foremost, there are several types of tornadoes that we can know deeply.

By knowing these tornadoes types, people can differentiate the danger level and precautionary steps need to be taken for each of them.

A. The first type is multiple-vortex.

1. A multiple-vortex tornado is a type of tornado in which two or more column of spinning air rotate around a common centre.

2. These vertices often create small areas of heavier damage along the main...
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