Dark blue cloudy sky

What is Hail?

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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Glossary

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

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

A type of cloud consisting mostly of small particles such as ice particles.

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...