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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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

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...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.