Air Pressure Maps

Front

What is an isobar?

Back

A line on a weather map that connects points of equal air pressure.

Front

What is the actual atmosphere air pressure at sea level?

Back

1013.25 mb (millibars) is the standard atmospheric pressure at sea level.

Front

Where would you predict warm air to be located in relation to low pressure?

Back

To the right of the low pressure.

Front

What happens to air pressure as you move upward into the atmosphere?

Back

Air pressure decreases.

Front

Air pressure is greater at which location?

Back

At the bottom of the mountain.

Front

What is the standard unit of measurement for air pressure?

Back

Millibars (mb) or inches of mercury (inHg).

Front

What does a high-pressure system indicate about the weather?

Back

Generally indicates clear skies and fair weather.

Front

What does a low-pressure system indicate about the weather?

Back

Typically associated with clouds and precipitation.

Front

How does temperature affect air pressure?

Back

As temperature increases, air pressure decreases.

Front

What is the relationship between altitude and air pressure?

Back

Air pressure decreases as altitude increases.