What is Precipitation?
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.
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A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....