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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...