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Laser ceilometer. A ceilometer is a device that uses a laser or other light source to determine the height of a cloud ceiling or cloud base. [1] Ceilometers can also be used to measure the aerosol concentration within the atmosphere. [2] A ceilometer that uses laser light is a type of atmospheric lidar (light detection and ranging) instrument ...
A ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. Ceilometers can also be used to measure the aerosol concentration within the atmosphere. Ceilometers can also be used to measure the aerosol concentration within the atmosphere.
Ceiling projector exterior Interior of a ceiling projector Alidade for use with a ceiling projector. The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground.
To compensate for the danger of rapidly changing sky cover, the averaging is weighted toward the first 10 minutes of the 30-minute averaging period. The range of the ceilometer is up to 25,000 feet (7,600 m) depending on the model. [14] Clouds above that height are not detectable by automated stations at present. ASOS HO-1088 thermometer
Weather stations typically have these following instruments: . Thermometer for measuring air and sea surface temperature; Barometer for measuring atmospheric pressure; Hygrometer for measuring humidity
Cloud height is often related to the intensity of precipitation generated by a cloud: deeper clouds tend to produce more intense rainfall.For instance, cumulonimbus clouds can develop vertically through a substantial part of the troposphere and often result in thunderstorms with lightning and heavy showers.
A fully inflated ceiling balloon A ceiling balloon cabinet Close up of the filler stand Regulator valve and pressure gauges attached to helium cylinder. A ceiling balloon also called a pilot balloon or pibal, is used by meteorologists to determine the height of the base of clouds above ground level during daylight hours.
There are some symbols in Unicode which resemble those used for oktas. However, some okta symbols lack a similar-looking Unicode character. The use of Unicode to render oktas depends on whether a font with these characters is installed; Unicode symbols may be difficult to work with in software that does not render these characters uniformly.