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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A large body of air having similar horizontal temperature and moisture characteristics.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.