Meteorology

Meteorology

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

Industry: Weather

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Meteorology

modus tollens

Weather; Meteorology

(Latin for denial mode. ) An inference rule that states that if ''B'' is false and ''A'' implies ''B'', then ''A'' is also false. This is considered an “unsafe” approach compared to modus ponens ...

On a thermodynamic diagram, an isopleth of equivalent potential temperature or pseudoequivalent potential temperature. Moist adiabats on most diagrams are drawn for the pseudoadiabatic process, in ...

moist air

Weather; Meteorology

1. In atmospheric thermodynamics, air that is a mixture of dry air and any amount of water vapor. Compare dry air, saturation. 2. Generally, air with a high relative humidity.

moderate breeze

Weather; Meteorology

In the Beaufort wind scale, a wind with a speed from 11 to 16 knots (13 to 18 mph) or Beaufort Number 4 (Force 4).

rig

Weather; Meteorology

Autumn gales occurring about Michaelmas (29 September).

micrometer

Weather; Meteorology

A unit of length equal to one-millionth of a meter or one-thousandth of a millimeter. The micrometer is a convenient length for measuring wavelengths of infrared radiation, diameters of atmospheric ...

micrometeorology

Weather; Meteorology

A part of meteorology that deals with observations and processes in the smallest scales of time and space, approximately smaller than 1 km and less than a day (i.e., local processes). ...