Dark blue cloudy sky

What is Blocking Pattern?

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather systems from moving through.

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Glossary

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The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

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

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

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

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

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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