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 warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
An instrument for measuring atmospheric pressure.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...