Meteorology

Meteorology

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

Industry: Weather

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Meteorology

retreater

Weather; Meteorology

A defective maximum thermometer of the liquid-in-glass type in which the mercury flows too freely through the constriction. Such a thermometer will indicate a maximum temperature that is too low.

A decrease in the amplitude of a trough. In middle latitudes, it implies a poleward movement of an isopleth that defines a trough (i.e., height or thickness contour). It is the opposite of meridional ...

precipitation day

Weather; Meteorology

A day on which precipitation is observed. The minimum amount of precipitation considered necessary to constitute a precipitation day varies from country to country but is generally 0. 1 mm or 0. 01 ...

snow day

Weather; Meteorology

A day on which a fall of snow is observed.

subtropical cyclone

Weather; Meteorology

A cyclone in tropical or subtropical latitudes (from the equator to about 50°N) that has characteristics of both tropical cyclones and midlatitude (or extratropical) cyclones. They occur in regions ...

passive cloud

Weather; Meteorology

A cumulus cloud that is no longer dynamically connected with the atmospheric boundary layer via updrafts or downdrafts. These clouds decay and dissipate just above the boundary layer top and can ...