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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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

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

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