Talk:Ridge (meteorology)

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Bad redirection

A ridge is the opposite of a trhough, how can someone redirect the firtst to the other article where there is no mention of ridges?????

Pierre cb (talk) 14:33, 2 August 2019 (UTC)[reply]

I recreated the article with more substance! Pierre cb (talk) 15:35, 2 August 2019 (UTC)[reply]

Too large-scale subtropical definition

A ridge may be an elongated area of isobars/isohypses circling a high but it makes sense only if this is a multi-week or monthly analysis as it occurs often in the subtropics. Indeed, any area of isobars/isohypses circling a high is exactly the definition of an anticyclone and the word "anticyclone" will be used for a weekly or multi-day analysis. Another key definition of a ridge is the extension of an anticyclone as a crest. Any extension of a high (ridge, crest) or a low (trough) has generally wave attributes and this is fundamental to understand the weather dynamics in the mid-latitudes. In the UK and all mid-latitudes countries, the definition is like this one: https://www.metoffice.gov.uk/binaries/content/assets/metofficegovuk/pdf/research/library-and-archive/library/publications/factsheets/factsheet_11-interpreting-weather-charts.pdf "A ridge (of high pressure), also termed a Wedge, is an extension of an anticyclone or high-pressure area shown on a synoptic chart and is generally associated with fine, anticyclonic-type weather."2A01:E0A:9D2:3E20:6F5:75DA:8ADE:6911 (talk) 20:04, 23 July 2021 (UTC)[reply]

Misleading role attribution

"Surface ridges, just like highs, generate fair weather because they develop under wind convergence in the negative vorticity advection zone ahead of the upper level ridge." is not fine. The referenced webpage does not say that. Both the fair weather and surface ridge/high are generated by upper-level wind convergence = negative vorticity advection = deep layer subsidence. The surface ridge/high only controls, in some sense, the surface wind. 2A01:E0A:9D2:3E20:6F5:75DA:8ADE:6911 (talk) 20:04, 23 July 2021 (UTC)[reply]