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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

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

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...