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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.