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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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.