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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Snow that rises to 8 feet or higher.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...