Understanding Cyclones

What is the wind speed range for a Severe Cyclone?

• Exactly 74 miles/hour

• More than 120 miles/hour

• 75 to 120 miles/hour

• Less than 74 miles/hour

What is a cyclone called in the Northwest Pacific?

• Cyclone

• Typhoon

• Hurricane

• Tornado

Which direction do cyclones typically rotate in the Southern Hemisphere?

• Southward

• Counterclockwise

• Clockwise

• Northward

What is the minimum water temperature required for cyclone formation?

• 20°C

• 22.5°C

• 24°C

• 26.5°C

What is the process of cyclone formation called?

• Cyclogenesis

• Cyclonegenesis

• Cyclonization

• Cyclonification

What happens to warm air during cyclone development?

• It sinks and cools

• It rises and cools

• It rises and warms

• It sinks and warms

What is the typical diameter range of Tropical Cyclones?

• 2000 to 3000 km

• 100 to 2000 km

• 500 to 1500 km

• 50 to 500 km

Why do cyclones usually dissipate over land?

• Loss of warm water source

• Buildings act as barriers

• Decrease in wind speed

• Increase in atmospheric pressure

How long did the largest recorded cyclone, Typhoon Tip, last?

• 15 days

• 10 days

• 20 days

• 25 days

What was the wind speed of Typhoon Tip?

• 170 miles/hour

• 210 miles/hour

• 150 miles/hour

• 190 miles/hour