One of the mysteries of the English language finally explained.
1Relating to mountains, especially with regard to their position and form.
- ‘It's an elongated depression between orographic protuberances.’
- ‘The 925-mb pressure level surface at about 750 m a.s.l. would be closer to frequent bird migration altitudes but is more exposed to orographic distortions and often not available.’
- 1.1 (of clouds or rainfall) resulting from the effects of mountains in forcing moist air to rise.
- ‘These types of clouds are called "orographic clouds", which develop in response to lifting forced by the topography the earth.’
- ‘Hilly areas can get extra rainfall from what is known as the orographic effect which occurs where air is forced to rise over high ground, causing clouds followed by rain.’
- ‘When there is an isolated peak, a banner cloud can form, which is a type of orographic cloud.’
- ‘Maximum precipitation values in Antarctica are found a short way inland at an altitude of about 1600 m, where orographic precipitation is greatest.’
- ‘This wave cloud pattern formed off the Île Amsterdam in the far southern Indian Ocean, due to orographic lift of an airmass by the island.’
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