List of of weather definitions.

View the summary of key terms.

ALL | A B C D E F G H I L M N O P R S T W
Advection
The horizontal movement or transfer of heat by convection.
Airmass
A thick and extensive portion of the troposphere having uniform temperature and humidity characteristics derived from its source region.
Albedo
The reflectivity of a surface.
Aspect
The way in which a slope faces towards or away from the sun and only has a noticeable affect in mid-high latitudes.
Meridian Altitude
The angle the sun makes with the earth’s surface at midday. Albedo The reflectivity of a surface.
The Atmosphere
An envelope of air composed mainly of nitrogen and oxygen, which stretches from the earth's surface to about l00km above our planet.
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