Meteorology

Meteorology

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

Industry: Weather

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Meteorology

Old snow

Weather; Meteorology

Deposited snow in which the original crystalline forms are no longer recognizable, such as firn, spring snow.

Offshore wind

Weather; Meteorology

Wind blowing from land to sea. During synoptic conditions of light winds, offshore winds near the surface often occur at night as a component of the land breeze.

Off-airways

Weather; Meteorology

Any aircraft course or track that does not lie within the bounds of prescribed airways.

Oersted

Weather; Meteorology

A unit of magnetic field intensity equal to one dyne per cgs unit magnetic pole. See gauss.

On top

Weather; Meteorology

In aviation terminology, descriptive of in-flight weather conditions that allow the use of modified visual flight techniques at flight level, but below which level the clouds and/or obscuring ...

A higher-order closure for turbulence where forecast equations are retained for mean variables (e.g., first-order or first moment mean values of potential temperature and wind components), and for ...

Omega sun

Weather; Meteorology

A two-image inferior mirage of the setting or rising sun in which the erect image of the solar disc, which forms the top of the omega, touches the inverted segment of the lower image, which forms the ...