okta
Sign in to savethumb|Scale of cloud cover measured in oktas (eighths) with the meteorological symbol for each okta
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thumb|Scale of cloud cover measured in oktas (eighths) with the meteorological symbol for each okta
In meteorology, an okta is a scale of measurement used to describe the amount of cloud cover at any given location such as a weather station. Sky conditions are estimated in terms of how many eighths of the sky are covered in cloud, ranging from 0 oktas (completely clear sky) through to 8 oktas (completely overcast). In addition, in the SYNOP code there is an extra cloud cover indicator '9' indicating that the sky is totally obscured (i.e. hidden from view), usually due to dense fog or heavy snow.
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cloud
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snow
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sky
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area
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International Standard Book Number
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meteorology
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fog
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aviation
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Wayback Machine
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sunlight
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geostationary orbit
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University of British Columbia
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weather station
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cloud cover
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level of measurement
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Baudot code
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Met Office
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SYNOP
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overcast
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Himawari 8
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