The Life Cycle and Dynamics of Tropical Cyclones

The video explains the life cycle of a tropical cyclone, which includes the origin, mature, and dissipation stages. Cyclones form over warm ocean areas with temperatures above 26.5°C, requiring low altitude winds. Warm air rises, carrying moisture that condenses to form clouds, releasing latent heat and powering the cyclone. The Coriolis effect causes air to spiral, forming the cyclone's eye. Cyclones have low air pressure at their center, with movement driven by global wind patterns. The video also highlights the impact of cyclones, such as strong winds and low air pressure.

What are the three basic stages in the life of a tropical cyclone?

• Origin, mature stage, dissipation

• Formation, peak, decline

• Start, middle, end

• Birth, growth, death

Which condition is NOT necessary for the formation of a tropical cyclone?

• Surface temperature above 26.5°C

• High altitude winds

• Low altitude winds

• A large, warm ocean area

What happens to the air as it warms over the ocean during cyclone formation?

• It becomes heavier and sinks

• It expands, becomes lighter, and rises

• It cools and condenses immediately

• It remains at the surface

What effect causes the rising currents of air to spiral around the center of a tropical cyclone?

• Centrifugal effect

• Coriolis effect

• Gravitational effect

• Magnetic effect

What is the eye of the storm?

• The area with the highest pressure

• The outermost part of the cyclone

• The calm center of the cyclone

• The area with the strongest winds

In which direction do cyclones rotate in the southern hemisphere?

• Southward

• Clockwise

• Counterclockwise

• Northward

What is the typical air pressure at the center of a tropical cyclone?

• 980 millibars

• 1010 millibars

• 950 millibars or less

• 1000 millibars

Which typhoon recorded one of the lowest air pressures ever?

• Typhoon Haiyan

• Typhoon Tip

• Typhoon Ida

• Typhoon Mangkhut

What drives the movement or track of a cyclone?

• Local wind patterns

• Global wind circulation

• Mountain ranges

• Ocean currents

What happens to a cyclone as it absorbs heat and moisture from warm ocean waters?

• It dissipates

• It continues to enlarge

• It remains the same

• It weakens