Meteorology

Meteorology

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

Industry: Weather

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Meteorology

line width

Weather; Meteorology

A measure of the finite width of a spectral line taken as the distance between the two points either side of the line center where the absorption has dropped to half of its value at the center. ...

Linke turbidity factor

Weather; Meteorology

A measure of atmospheric turbidity, equal to the ratio of total optical depth to the Rayleigh optical depth. It is a function of wavelength.

Junge aerosol layer

Weather; Meteorology

A maximum in large-particle concentrations observed in the lower stratosphere between 15 and 25 km.

la serpe

Weather; Meteorology

A long strip of cloud that sometimes lies against the southern base of Mount Etna in Sicily. It is said to herald rain. See contessa di vento.

lead

Weather; Meteorology

A long fracture or separation between ice floes wide enough to be navigated by a ship. A lead may be covered by thin ice.

A local wind created by acceleration of the airflow through a gap, constriction, or channel in a mountain range or between ranges. The acceleration can result from a large-scale pressure gradient, or ...