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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The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A type of cloud consisting mostly of small particles such as ice particles.
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A very cold high pressure that originates over the Arctic Ocean.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...