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 tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...