Tornadoes

What type of clouds are needed for a tornado to form?

• Cirrus

• Altostratus

• Stratus

• Cumulonimbus

When does a funnel officially become a tornado?

• When it reaches speeds of 100 mph

• When it begins to spin

• When it touches the ground

• When it first looks like a funnel

When viewed from above, what direction do most tornadoes in the northern hemisphere rotate?

• Counterclockwise

• Clockwise

• They don't rotate in the northern hemisphere

• Tornadoes do not form in the northern hemisphere

Around how wide is the typical tornado in the United States?

• 10 feet

• 50 feet

• 100 feet

• 500 feet

What do we call a tornado that forms over water?

• Supercell

• Waterspout

• Landspout

• Multiple vortex

What type of tornado has more than one spinning tube of air?

• Supercell

• Waterspout

• Landspout

• Multiple vortex

What type of tornado is produced by a huge thunderstorm?

• Supercell

• Waterspout

• Landspout

• Multiple vortex

What is the region in the Midwest called where most of the tornadoes in the United States form?

• Windy Plains

• Dust Bowl

• Tornado Alley

• Great Tornado Flats

What country has the most tornadoes in the world each year?

• China

• Australia

• Mexico

• United States

What type of alarm means that a tornado is happening right now or is going to happen soon?

• Tornado Watch

• Tornado Warning

• All of the above

• None of the above