a huge body of air that has similar temperature, humidity, and air pressure throughout.
tropical air mass
A warm air mass that forms in the tropics and has low air pressure.
polar air mass
a cold air mass that forms north of 50 degrees N latitude or south of 50 degrees S and has high air pressure
maritime air mass
a humid air mass that forms over the oceans.
continental air mass
a dry air mass that foms 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 cold air masses.
A swirling center of low pressure air
A high-pressure center of air
A violent disruption in the atmosphere
A small storm often accompained by heavy precipitation and frequent
A sudden spark,or energy discharge,caused when electrical charges jump between nearby clouds, or between a cloud and the ground.
A rapidly whirling, funnel shaped cloud that reaches down fro a storm cloud to touch the Earth's surface.
A tropical storm that has winds of about 119 kilometers per hour or higher.
A "dome" if water that sweeps across the coast where a hurricane lands.