This section will help you understand the different words and phrases that might come up when talking about tornadoes. We put this together for the average student, teacher or tornado enthusiast. If y [..]

Also known as barometric pressure, is the weight of a column of air that extends from the surface (ground or water) to the top of the atmosphere. A tornado has very low air pressure.

This is a weather instrument used to measure wind speeds.

This is a weather device used to measure air (barometric) pressure.

Also known as air pressure, is the weight of a column of air that extends from the surface (ground or water) to the top of the atmosphere. A tornado has very low barometric pressure.

Also known as the E Scale, this is another tornado scale

An enhanced version of the Fujita-Pearson tornado scale

This is a prediction made by meteorologists of what the weather will be like in the future.

Also known as the Fujita-Pearson Scale, is a tornado scale

A rotating column of wind that hasn't touched the ground. Funnel clouds are called tornadoes when they reach the ground.