Tropical Cyclones

How do tropical cyclones form?

• Tropical cyclones form when two warm fronts meet over the ocean.

• Tropical cyclones form when winds circulate about a column of cool air.

• Tropical cyclones form when warm air over the equator mixes with cold air from the poles.

• Tropical cyclones form as a result of rising warm air and circulating winds.

How fast must the winds be in order to be classified as a tropical cyclone?

• 80km/h

• 119km/h

• 100km/h

• 150km/h

How warm must the water be in order to form a tropical cyclone?

• 26 degrees Celsius

• 20 degrees Celsius

• 35 degrees Celsius

• 18 degrees Celsius

What creates the low pressure system at the surface?

• Cool, dry air sinking

• Warm, moist air sinking

• Warm, moist air rising

• Cool, dry air rising

What do you call the center of a tropical cyclone?

• Eyewall

• Eye

• Heart

• Core

What type of weather is associated with the eye of the tropical cyclone?

• Calm, dry and clear weather

• Stormy and windy weather

The eye forms at the center of the tropical cyclone.

At the eye of the tropical cyclone, cool and dry air is _____.

• sinking

• rising

Where can find the strongest wind speeds in a cyclone?

• Eyewall

• Eye

• Outermost rain band

What happens when a tropical cyclone makes landfall?

*Landfall refers to the point where the center of a tropical cyclone meets the coastline.

• Weakens

• Picks up speed

• Stronger wind speeds

• Smaller storm surge

Which hemisphere is this tropical cyclone found in?

• Northern Hemisphere

• Southern Hemisphere