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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...