Meteorology

Meteorology

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

Industry: Weather

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Meteorology

milky ice

Weather; Meteorology

A form of aircraft icing intermediate in all respects between clear ice and rime ice. It forms in the temperature range between −4° and −15°C.

millibar (mb)

Weather; Meteorology

A pressure unit of 1000 dynes cm −2 , convenient for reporting atmospheric pressures. The millibar does not fit into any commonly employed system of physical units. One millibar equals one ...

migratory

Weather; Meteorology

In meteorology, commonly applied to pressure systems embedded in the westerlies and, therefore, moving in a general west-to-east direction.

mil

Weather; Meteorology

1. A unit of angular measurement, sometimes used in radar antennas, equal to 1/6400 of the circumference of a circle. 2. A unit of length, equal to 0. 001 in. , used in measuring the diameter of ...

A warm, moist sea breeze from the south that sets in at midday in Provence, France, south of Mount Ventoux. In the Roussillon region the midday south wind (mitgjorn) is irregular and generally light, ...

middle infrared

Weather; Meteorology

The portion of the electromagnetic spectrum lying between the near-infrared and the far infrared. This covers the wavelength range approximately from 4 to 15 μm, but usage varies. See also thermal ...

midget tropical cyclone

Weather; Meteorology

A tropical cyclone with a radius to the outermost closed isobar of 100– 200 km. These cyclones can support hurricane-force winds with central pressures significantly higher than larger storms.