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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A very cold high pressure that originates over the Arctic Ocean.
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.