Meteorology

Meteorology

A database of terms pertaining to the scientific study of the atmosphere.

Industry: Weather

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Meteorology

Kolmogorov constant

Weather; Meteorology

The proportionality constant α in Kolmogorov theory, which states that the spectral energy S in the inertial subrange is S = αε2/3k−5/3, for ε representing the viscous dissipation rate of ...

The production of small wavelength mountain waves near a mountaintop under conditions of very strong static stability. When the air is very stable and wind speeds are slow, the natural wavelength of ...

local effects

Weather; Meteorology

The production of weather and climate idiosyncrasies at a particular location by nearby natural or artificial topographic features.

looping

Weather; Meteorology

The phenomenon during unstable atmospheric conditions caused by the presence of large convective turbulent motions where a smoke plume waves upward and downward like a garden hose. Compare coning, ...

lofting

Weather; Meteorology

The phenomenon where the upper part of a smoke plume diffuses more rapidly upward than the bottom part diffuses downward. This generally occurs when the boundary layer near the ground is more stable ...

luminance

Weather; Meteorology

The photometric equivalent of radiance. Luminance is obtained by integrating spectral radiance weighted by luminous efficiency over the visible spectrum. Compare illuminance.