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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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 process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A very cold high pressure that originates over the Arctic Ocean.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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