What is Hail?

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

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