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

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

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...