Yes, there is a jet stream in the Southern Hemisphere, similar to the northern hemisphere.
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A continental jet-stream travels parallel to the equator - a polar jet-stream travels in a north/south direction.
The jet stream.
The jet stream
polar; subtropical
It gets colder
A continental jet-stream travels parallel to the equator - a polar jet-stream travels in a north/south direction.
Partially. The pressure difference between warm air near equator and cold air near arctic causes air to rise at equator travel north to arctic then down and south back to equator. The rotation of the earth bends that north-south belt - faster at the equator than at the slower rotation at arctic. The result of both is the jet stream.
The jet stream.
The jet stream
Minnesota receives arctic air when the polar jet stream moves south across Canada.
Partially. The pressure difference between warm air near equator and cold air near arctic causes air to rise at equator travel north to arctic then down and south back to equator. The rotation of the earth bends that north-south belt - faster at the equator than at the slower rotation at arctic. The result of both is the jet stream.
jet stream
When the jet stream moves south, it moves its associated weather front, which causes winds from the north.
Minnesota receives arctic air when the polar jet stream moves south across Canada.
polar; subtropical
Polar jet stream is stronger.
It gets colder