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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A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
An instrument for measuring atmospheric pressure.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

