Polar stratospheric cloud
id:
polar-stratospheric-cloud-294-7895856
title:
Polar stratospheric cloud
text:
Polar stratospheric clouds (PSCs) are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 m (49,000–82,000 ft). They are best observed during civil twilight, when the Sun is between 1 and 6 degrees below the horizon, as well as in winter and in more northerly latitudes. One main type of PSC is made up mostly of 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.
brand slug:
wiki
category slug:
encyclopedia
description:
Clouds occurring in the stratosphere in high-latitude regions
original url:
https://en.wikipedia.org/wiki/Polar_stratospheric_cloud
date created:
date modified:
2024-04-10T15:11:42Z
main entity:
{"identifier":"Q216417","url":"https://www.wikidata.org/entity/Q216417"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/cc/Nacreous_clouds_Antarctica.jpg","width":3648,"height":2736}
fields total:
13
integrity:
15