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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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....