Comments by "An13" (@An-kw3ec) on "Astrum" channel.

  1. Snowline in the southern hemisphere is also more stable, you can have glaciers in mountains at lower elevations, since there's not much disturbance once you reach 0° C (32 ° F) isotherm. It is the same reason why Siberia is green and forested despite having colder winters than Greenland, greenland is cold year around while Siberia gets as cold as Antarctica in winter but fairly warm in summer.
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  2. The southern hemisphere is moderated by the Antarctic sea, you need land connection with the artic in order to create those freezing wind conditions, the southern most continental land only reaches 56° latitude (tierra del fuego), the arctic circle starts at 66°. North America and Eurasia reach north of the 70° Also, Antarctic winds are usually very stable.
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