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 strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

An instrument for measuring atmospheric pressure.

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