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What is El Niño?

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global weather patterns, including increased rainfall in some regions and drought in others.

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Glossary

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...