Chapter 13, Lesson 2 - Weather Patterns

This is a boundary between two air masses.

This is a violent, whirling column of air in contact with the ground.

This is a large body of circulating air with high pressure at its center.

This is a violent winter storm characterized by freezing temperatures, strong winds, and snow.

This is a large body of circulating air with low pressure at its center.

This is a large body of air that has uniform temperature, humidity and pressure.

This is an intense tropical storm with winds exceeding 119 km/hr.