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Literally "not wet", containing no liquid.

Category:Meteorology

The height ascribed to the lowest layer of clouds or obscuring phenomena when it is reported as broken, overcast, or obscuration and not classified as "thin" or "partial." The ceiling is termed unlimited when these conditions are not satisfied. ...

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Very generally, any moving- stream of air. It has no particular technical connotation.

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An instrument for collecting liquid water from the atmosphere.

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A small balloon, loaded with ballast and inflated so that it will explode at a predetermined altitude, which is attached to a larger balloon.

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A wind vane used to obtain the horizontal and vertical components of the wind.

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A thermometer whose sensitive element has been made to resemble a black body by covering it with lamp black. The thermometer is placed in an evacuated transparent chamber which is maintained at a constant temperature. The instrument responds to insolation ...

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The direction from which the wind is blowing, measured in points of the compass or in azimuth degrees.

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The cardinal points of the compass, i.e. north, south, east, west.

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In the direction from which the wind is blowing.

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Operation mode of a communication circuit in which each end can transmit and receive, but not simultaneously.

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In folklore, a name for rain.

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A general term for instruments designed to measure the speed or force of the wind.

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A clockwise change in wind direction. Veering winds with height are indicative of warm air advection (WAA).

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An instrument which indicates the presence of precipitation. The ombroscope consists of a heated, water-sensitive surface which indicates by mechanical or electrical techniques the occurrence of precipitation.

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The general term for anemometers operating on the principle that the heat transfer to air from an object at an elevated temperature is a function of the air speed. Examples are the hot-wire anemometer and the katathermometer.

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American Standard Code for Information Interchange. A standard code used to represent data using 8 bits (7 data bits and I parity bit) per character.

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See aneroid capsule.

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For a given cloud or cloud laver. the lowest level in the atmosphere at which the air contains a perceptible quantity of cloud particles.

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A hygrometer using goldbeater's skin as the sensitive element. Variations of the physical dimensions of the skin caused by its hygroscopic character indicate relative humidity. (Note: Goldbeater's skin is the prepared outside membrane of the large intesti ...

Category:Meteorology