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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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I understand that METARs from 25th Nov will have the visibility stated as
the 'prevailing' visibility - i.e the value that is at least the visibility for half of the station horizon circle. If there is reduced vis of less than 1500m or 50% of the value above that will also be stated i.e 7000 2000E Could someone tell me what the current criteria is for quoting 2 visibility values. Thanks Phil -- http://homepage.ntlworld.com/phil.layton/meteo.htm |
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