What is Hail?

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...