Weather and Climate

Day-to-day changes in atmospheric conditions, including temperature, air pressure, humidity, wind, cloud coverage, or precipitation.

Long-term average of weather in an area.

Wind speed.

A large body of air with the same temperature and humidity.

The process by which molecules of water vapor in the air become liquid water.

The amount of moisture in the air.

Any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface.

The pressure caused by the weight of a column of air pushing down on an area.

The boundary where two different air masses meet.

The continuous movement of water on, above, and below the surface of the Earth.