Quiz - Severe Weather

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* 1. What are the three ingredients needed for a thunderstorm?

Fronts, warm air and clouds

Lift, moisture and instability

Lift, cool air and instability

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* 2. A thunderstorm is strongest during which stage?

Mature stage

Growing stage

Severe stage

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* 3. Wind shear is the changing of wind with what?

Speed

Height

Time

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* 4. On average, how many tornadoes does Missouri see every year?

75

62

45

30

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* 5. What two factors is the Enhanced Fujita Scale based on?

Wind speed and tornado track length

Wind speed and cost of damages

Wind speed and damage

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* 6. When did the EF scale become operational?

2010

2007

2005

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* 7. When winds in a tornado are between 136 to 165mph, it is rated --

EF-3

EF-4

EF-5