Dark blue cloudy sky

What is Aeroallergens?

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

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Glossary

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

A type of cloud consisting mostly of small particles such as ice particles.

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

An instrument for measuring atmospheric pressure.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

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