Situated outside or beyond the tropics; describing regions or weather systems existing outside the tropical zone.
From 'extra-' (beyond) combined with 'tropical,' derived from 'tropics' via Latin and Greek 'tropikos' (turning), referring to the two latitude lines where the sun appears to turn.
Meteorologists use 'extratropical' constantly when discussing weather systems like the jet stream and winter storms that form outside the tropical band around Earth's equator.
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