What is Air Mass?

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....