Tornadoes and Thunderstorm Phenomena

The video provides an educational overview of tornadoes, explaining their formation, appearance, and the conditions that lead to their development. It covers various related weather phenomena such as funnel clouds, supercell thunderstorms, microbursts, wall clouds, waterspouts, hail, gustnadoes, landspouts, and dust devils. The video also discusses when and where tornadoes are most likely to occur, particularly in Tornado Alley. Fun facts about tornadoes, including statistics on their frequency and intensity, are shared to conclude the lesson.

What is the primary cause of tornado formation?

• Ocean currents

• High pressure systems

• Warm, moist air from the Gulf of Mexico meeting cool, dry air from Canada

• Cold air from the Arctic

How can tornadoes appear visually?

• As a solid block of ice

• As a traditional funnel shape or slender rope-like form

• As a rainbow

• As a flat cloud

What is a supercell thunderstorm known for?

• Causing droughts

• Producing heavy snowfall

• Generating heat waves

• Creating long-lasting tornadoes

What is a mesocyclone?

• A type of cloud

• A small earthquake

• A rotating vortex of air within a supercell thunderstorm

• A type of rainfall

What is a microburst?

• A small tornado

• A type of hailstorm

• A gentle breeze

• A downdraft in a thunderstorm less than 2.5 miles in scale

What is the difference between a waterspout and a tornado?

• Waterspouts are a type of cloud

• Waterspouts are always more destructive

• Waterspouts are larger than tornadoes

• Waterspouts form over water, tornadoes over land

How is hail formed?

• By freezing rain

• By snow melting and refreezing

• By condensation of water vapor

• By small water droplets being lifted and frozen in a thunderstorm

What is a gustnado?

• A strong hurricane

• A short-lived, weak whirlwind

• A type of tornado

• A type of cloud formation

Where is Tornado Alley located?

• In the Great Plains of the United States

• In the Rocky Mountains

• In the deserts of Arizona

• In the Appalachian Mountains

What percentage of tornadoes are considered 'weak'?

• 2%

• 69%

• 29%

• 10%