Why is "Polar stratospheric cloud" trending?
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Trend Analysis
- Ranking position: #
- Date: 2026-03-18 11:52:39
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
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Wikipedia Overview
A polar stratospheric cloud (PSC) is a cloud that forms in the winter polar stratosphere at altitudes from 15,000 to 25,000 m. They are best observed during civil twilight, when the Sun is between 1° and 6° below the horizon, as well as in winter and in more northerly latitudes. One main type of PSC is composed of mostly supercooled droplets of water and nitric acid and is implicated in the formation of ozone holes. The other main type consists only of ice crystals, which are not harmful. This type of PSC is also called nacreous, due to its iridescence.
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Search Interest Perspective
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Antarctic Polar Stratospheric Cloud Analysis of ACE‐FTS Data From 2005 to 2023 - AGU Publications
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Polar stratospheric clouds - Australian Antarctic Program
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Polar stratospheric cloud over Iceland - Weather & Radar
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Polar Stratospheric Cloud Observations From the OMPS Limb Profiler - AGU Publications
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Polar Stratospheric Cloud, Kiruna, Sweden (IMAGE) - EurekAlert!
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Polar Stratospheric Cloud by Tania Engbo Dyck-Madsen - rmets.org
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Incredibly rare sighting over Sweden as 'polar stratospheric cloud' shimmers in the sky - Yahoo News UK
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Extremely Rare Rainbow Clouds Lit Up Arctic Skies For 3 Days: The Photos Are Breathtaking - ScienceAlert
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Polar stratospheric cloud (PSC) observations - Australian Antarctic Program
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Development of a Polar Stratospheric Cloud Model within the Community Earth System Model using constraints on Type I PSCs from the 2010–2011 Arctic winter - AGU Publications
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