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 jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
An instrument for measuring atmospheric pressure.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...