Meteorology

Meteorology

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

Industry: Weather

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Meteorology

mesocyclone signature

Weather; Meteorology

The Doppler velocity pattern of a mesocyclone within a severe thunderstorm. In a storm-relative reference frame, the idealized signature is symmetric about the radar viewing direction with marked ...

mesocyclone

Weather; Meteorology

A cyclonically rotating vortex, around 2–10 km in diameter, in a convective storm. The vorticity associated with a mesocyclone is often on the order of 10 −2 s −1 or greater. (It should be noted ...

mesoclimatology

Weather; Meteorology

The study of mesoclimates; the climatology of relatively small areas that may not be climatically representative of the general region. The data used in mesoclimatology are mostly standard ...

mesochart

Weather; Meteorology

A means to illustrate a mesoanalysis. Important mesoscale features in the wind, temperature, moisture, and pressure fields are illustrated on the mesochart by means of contours and/or colored (or ...

meromictic lake

Weather; Meteorology

A lake that does not mix throughout the total water column; the lower part of the water column is perennially isolated.

The climate of a natural region of small extent, for example, valley, forest, plantation, and park. Because of subtle differences in elevation and exposure, the climate may not be representative of ...