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What is Celsius?

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero and the evaporation point as 100.

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Glossary

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...