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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The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
An instrument for measuring atmospheric pressure.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...