The upward air current in a thunderstorm.

Air Currents

The upward air current in a thunderstorm.

The air currents in a thunderstorm.

Air Currents

The air currents in a thunderstorm.

A region of high pressure forming an anticyclone.

Anticyclones

A region of high pressure forming an anticyclone.

The cyclonic effects in the Northern and Southern hemispheres.

Cyclonic Effects

The cyclonic effects in the Northern and Southern hemispheres.

The diagrams show areas of low and high temperatures.

Temperatures

The diagrams show areas of low and high temperatures.

"Vertical section of a thunderstorm which is moving toward the right." -Salisbury, 1919

Thunderstorm

"Vertical section of a thunderstorm which is moving toward the right." -Salisbury, 1919