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Meteorology: Random Listings RSS

A general term to designate apparatus designed to observe the details of weather during thunderstorms.

Category:Meteorology

A photometer that measures the received intensity of a distance tight source.

Category:Meteorology

A forecast of weather elements of particular interest to aviation; including ceiling, visibility, upper winds, icing, turbulence, precipitation types, and storms.

Category:Meteorology

An instrument for the measurement of both solar and terrestrial radiation.

Category:Meteorology

A line of equal or constant pressure.

Category:Meteorology

The inaccuracy that the manufacturer permits when the unit is calibrated in the factory.

Category:Meteorology

Board that holds graph paper on which is plotted information obtained from a pilot-balloon observation.

Category:Meteorology

A precipitation amount of less than 0.005 inches. Also, the record made by any self-registering instrument.

Category:Meteorology

An instrument for measuring the intensity of direct solar radiation at normal incidence. See Angstrom compensation pyrheliometer, Eppley pyrheliometer, Michaelson actinograph. silver- disc pyrheliometer, spectropyrheliometer, waterflow pyrheliometer.

Category:Meteorology

Precipitation of very small, white opaque particles of ice, fairly flat or elongated, with diameters less than 1 mm. The solid equivalent of drizzle.

Category:Meteorology

An early and once universal name for the mercury barometer.

Category:Meteorology

See radiation shield.

Category:Meteorology

A hygrometer which determines the amount of precipitable moisture in a given region of the atmosphere by measuring attenuation of radiant energy caused by the absorption bands of water vapor.

Category:Meteorology

See photometer.

Category:Meteorology

A unit of luminance or brightness equal to 1/d candles per foot'.

Category:Meteorology

A power supply which achieves its output regulation by means of one or more active power handling devices which are alternately placed in the "off" or "on" states. It is more efficient than linear supplies which vary the conduction of power devices to ach ...

Category:Meteorology

The change in barometric pressure within a specified period of time (typically 3 hours for meteorological observations).

Category:Meteorology

A polariscope consisting of a specially constructed double plate polarizer and a tourmaline plate analyzer. Polarized light passing through the instrument is indicated by the presence of parallel colored fringes, while unpolarized light results in a unifo ...

Category:Meteorology

Forecasting weather by the use of numerical models, run on high speed computers. Most of the NWP for the National Weather Service is done at the National Centers for Environmental Prediction (NCEP).

Category:Meteorology

See standard atmosphere.

Category:Meteorology

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