Meteorology: Random Listings RSS

The range through which the input may be varied without initiating a response. Usually expressed as a percentage of full-scale range.

Category:Meteorology

Amount of water, expressed as a depth or as a mass, which would be obtained if all the water vapor in a specified column of the atmosphere were condensed and precipitated.

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An instrument for rapidly obtaining samples of airborne dust; a type of dust counter. Particles pass through a cylindrical chamber, are drawn at high velocity through a narrow slit, and then impinge upon a microscope cover glass located a short distance f ...

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A graduated scale placed in a position so that the stage of a stream may be read directly from it. Staff gauges may be placed on bridge piers or pilings, etc., or placed on specially constructed supports.

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Same as ceiling light.

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The range of operating conditions within which a device is designed to operate and for which operating influences are stated. See operating conditions, reference operating conditions.

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Wind with a speed between 4 and 27 knots (4 and 31 mph); Beaufort scale numbers 2 through 6.

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A calorimetric radiation instrument of historic interest used for the measurement of outgoing heat radiation from the earth during an interval of time. The time integration is performed by allowing the radiation to fall on an uninsulated vessel containing ...

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See foehn.

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Anemometer which measures wind speed by measuring the degree of cooling of a metal film heated by an electric current. A type of cooling-power anemometer.

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A recording anemoclinometer.

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Situated on the side from which the wind blows.

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A weakly colored lunar halo identical in form and optical origin to the solar parhelion.

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Sustained winds greater than or equal to 40 mph or gust greater than or equal to 58 mph.

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An instrument used for measuring the specific gravity of a liquid.

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Same as marine rainbow.

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The ceiling classification which is applied when the ceiling height is determined by timing the ascent and disappearance of a ceiling balloon or pilot balloon.

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The minimum temperature shown by a minimum thermometer exposed in an open situation with its bulb at the level of the tops of the grass blades of short turf.

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Same as water year.

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A decrease in the central pressure of a pressure system. Usually applied to a low rather than to a high.

Category:Meteorology