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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A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...