What is La Niña?
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global weather patterns such as reduced rainfall in some areas and increased rainfall in others.
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Snow that rises to 8 feet or higher.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.