What cell are the mid-latitude westerlies part of?

• A. Hadley Cell
• B. Ferrel Cell
• C. Polar Cell
• D. None

Answer: (B)

The mid-latitude westerlies are part of the Ferrel Cell, which is a significant component of the Earth's atmospheric circulation. The Ferrel Cell operates between approximately 30 and 60 degrees latitude in both hemispheres. In this region, the prevailing westerlies are created due to the combination of the atmospheric pressure zones and the rotation of the Earth, leading to the movement of air from high-pressure areas at 30 degrees latitude towards lower-pressure areas at 60 degrees latitude.

The Ferrel Cell is situated between the Hadley Cell, which is established in the tropics and is characterized by rising warm air and tropical easterlies, and the Polar Cell, located near the poles where cold air sinks and creates polar easterlies. The westerly winds in the Ferrel Cell play a crucial role in weather patterns at mid-latitudes, impacting storm systems and the general climate experienced in those regions.

This understanding of the Ferrel Cell and its influence on atmospheric circulation enhances knowledge of weather systems and climate behavior in the mid-latitudes, making it essential for anyone studying aviation weather.