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 very cold high pressure that originates over the Arctic Ocean.

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...