What is Relative Humidity?

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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A large body of air having similar horizontal temperature and moisture characteristics.

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...