Air pressure

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air above a surface. It decreases with altitude.

Front

What type of weather is usually associated with low air pressure?

Back

Stormy weather is usually associated with low air pressure.

Front

What type of weather is usually associated with high air pressure?

Back

Fair weather is usually associated with high air pressure.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases as altitude increases.

Front

What is a high pressure system?

Back

A high pressure system is an area where the atmospheric pressure is higher than the surrounding areas, often leading to clear skies.

Front

What is a low pressure system?

Back

A low pressure system is an area where the atmospheric pressure is lower than the surrounding areas, often leading to stormy weather.

Front

What weather change occurs with an increase in air pressure?

Back

An increase in air pressure typically leads to cooler and drier weather.

Front

What is the best indicator that precipitation is on the way?

Back

Low air pressure is the best indicator that precipitation is on the way.

Front

What weather condition is most likely when atmospheric pressure begins to fall?

Back

Rainy weather is most likely when atmospheric pressure begins to fall.

Front

How does humidity relate to air pressure?

Back

High humidity often occurs with low air pressure, while low humidity is associated with high air pressure.