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Tornadoes By Haleigh Miller Picture: Daphne zaras NOAA.

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Presentation on theme: "Tornadoes By Haleigh Miller Picture: Daphne zaras NOAA."— Presentation transcript:

1 Tornadoes By Haleigh Miller Picture: Daphne zaras NOAA

2 What are Tornadoes? Tornadoes are destructive vortex's with violent rotating winds, with a funnel appearance extending from a thunderstorm cloud. info:Virginadot.org/travel /tornadoes

3 The Conditions Tornadoes form in unusually violent thunderstorms when there is sufficient instability and wind shear present in the lower atmosphere. Instability refers to unusually warm and humid conditions in the lower atmosphere, and possibly cooler than usual conditions in the upper atmosphere. info:Virginadot.org/travel/t ornadoes

4 Time frame for a tornadoes Tornadoes usually last just a few minutes. The shortest last for only a few seconds, but the longest (and most dangerous) can last for over an hour (but these are extremely rare)! info:Enchantedlearning.com

5 What time of the year do they occur Tornadoes can occur at any time of the year. In the southern states, peak tornado occurrence is in March through May, while peak months in northern states are during the summer. Tornadoes are most likely between 3 and 9 p.m. but have been known to occur at all hours info:Virginadot.org/tr avel/tornadoes

6 Damage to property F0: Gale tornado (40-72 mph). Light damage. F1: Moderate tornado (73-112 mph). Moderate damage. F2: Significant tornado (113-157 mph). Considerable damage. F3: Severe tornado (158-206 mph). Severe damage. F4: Devastating tornado (207-260 mph). Devastating damage. F5: Incredible tornado (261-318 mph). Incredible damage info:Virginadot.org/travel/to rnadoes

7 Pictures!! Pictures:tornado- facts.com

8 There are even Flaming tornadoes! info:Virginadot.org/travel/tornadoes

9 Click Me!!! Tornado 101 info:Virginadot.org/travel/tornadoes


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