What is Heat Index?
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the 'apparent temperature.'
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The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A cloud of irregular appearance, composed of irregular cloud fragments.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.