What is Circulation?

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...