What is Trough?
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.
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A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.