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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.