What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...