Quote:
Originally Posted by BullochResident
More land connected to the polar regions allows colder air to rush closer to the equator in North America than it does in South America. That's why an average January day in Charleston, South Carolina is slightly colder than an average July day in Buenos Aires.
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Not really,South America is the only place in the World that an air mass from Antartic can Reach Northern Hemisphere.
Here an image:
Quote:
Originally Posted by Palider
Is that the jet stream? In wikipedia it says that in the southern hemisphere it circles Antarctica all year round.
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I think it is,how you can see,the airflow on the image are from Southwest,and i remember that day was one of the coldests of 2015 winter.
And yes,it mostly Circles Antarctic in whole year,but in winter during cold shots it can dip North around 40S.