Weather Patterns vocabulary

A huge body of air that has similar temperature, humidity, and air pressure at any given height.

A warm air mass that forms in the tropics and has low air pressure.

A cold air mass that forms north of 50° north latitude or south of 50° south latitude and has high air pressure.

A humid air mass that forms over oceans.

A dry air mass that forms over land.

The boundary where unlike air masses meet but do not mix.

Cut off, as in a front where a warm air mass is caught between two cooler air masses.

A swirling center of low air pressure.

A high-pressure center of dry air.

A violent disturbance in the atmosphere.

A small storm often accompanied by heavy precipitation and frequent thunder and lightning.

A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground.

A rapidly whirling, funnel-shaped cloud that reaches down to touch Earth’s surface.

A tropical storm that has winds of about 119 kilometers per hour or higher.

A “dome” of water that sweeps across the coast where a hurricane lands.

Scientists who study the causes of weather and try to predict it.

A line on a weather map that joins places that have the same air pressure.

A line on a weather map that joins places that have the same temperature.