Meteorology

Meteorology

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

Industry: Weather

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Meteorology

midnight wind

Weather; Meteorology

In Germany, a local wind from the south that sets in regularly, under anticyclonic conditions, over the Upper Bavarian lakes Würm and Ammer, soon after midnight. It is a mountain wind due to ...

Method for computing the discharge of a stream by dividing the cross section by verticals into sections. The total discharge is the sum of the products of the average velocity in each vertical by the ...

microwave radiation

Weather; Meteorology

Electromagnetic radiation generally in the frequency range between 300 MHz and 300 GHz (free-space wavelengths between 1 and 1000 mm). Within these frequencies lie the UHF, SHF, and EHF radio ...

middle atmosphere

Weather; Meteorology

The region lying between the troposphere and the thermosphere, comprising the stratosphere and the mesosphere.

microwave refractometer

Weather; Meteorology

An instrument that measures the refractive index of air by determining changes in humidity. The refractive index of the moist air is measured either by measuring its dielectric constant using special ...

microwave radar

Weather; Meteorology

A type of radar that employs microwave scatterometers deployed aboard aircraft and satellites that can compute wind speed using algorithms relating the wind speed to the backscattering cross section. ...

microwave probing

Weather; Meteorology

Sensing electromagnetic radiation having wavelengths between approximately 1 mm and 1 m. The Microwave Sounding Unit (MSU) and the Special Sensing Microwave/Imager (SSM/I) are examples of systems ...