Meteorology: All Listings RSS

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(1) The ratio of the speeds of a chemical reaction at two temperatures differing by 10

Category:Meteorology

An instrument used to measure and record earthquake vibrations and other earth tremors.

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A device used to switch electrical current at a selectable setpoint temperature.

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The maximum distance, usually horizontally, at which a given object or light source is just visible under particular conditions of transmittance and background luminance.

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A device for measuring sea-surface waves. It consists of a weighted pole below which a disk is suspended at a depth sufficiently deep for the wave motion associated with deepwater waves to be negligible. The pole will then remain nearly as if anchored to ...

Category:Meteorology

An instrument for the measurement of the rate of ice accretion on an unheated body.

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A common unit used in measurement of atmospheric pressure. Defined as that pressure exerted by a one-inch column of mercury at standard gravity and a temperature of 0'C.

Category:Meteorology

A type of pressure-plate anemometer in which the plate, restrained by a stiff spring, is held perpendicular to the wind. The wind-activated motion of the plate is measured electrically. The natural frequency of this system can be made high enough so that ...

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Not a linear function of the relevant variables.

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A wave disturbance in airflow due to some barrier in the flow. i.e. a hill or mountain.

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Wind with a speed between 48 and 55 knots (55 and 63 mph), Beaufort scale number 10.

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The distance or length of flow of the air past a point during a given interval of time.

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Capacity of a soil or other surface to be penetrated by water sinking into the ground under the force of gravity. It thus expresses the rate of percolation.

Category:Meteorology

See gust and peak gust.

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The total infrared radiation emitted from the earth's surface. To be carefully distinguished from atmospheric radiation, effective terrestrial radiation, and insolation.

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The state of the weather with respect to its effect upon the kindling and spreading of forest fires.

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A halo phenomenon consisting of a horizontal circle passing through the moon, corresponding to the parhelic circle through the sun. Produced by reflection of moonlight from ice crystals.

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An instrument used to reveal but not necessarily measure the presence of an electrical quantity. It is used to display the output of a sensing element after suitable amplification and modification. Sometimes called display.

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The visibility along an identified runway, determined from a specified point on the runway with the observer facing in the same direction as a pilot using the runway. Compare to runway visible range.

Category:Meteorology

The total of all deviations of a transducer's output from a specified straight line in a constant environment.

Category:Meteorology