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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A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A very cold high pressure that originates over the Arctic Ocean.
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...