Large global wind systems are created by the uneven heating of the Earth's surface. ... Unequal heating of the Earth's surface also forms large global wind patterns. In area near the equator, the sun is almost directly overhead for most of the year. Warm air rises at the equator and moves toward the poles.
They are divided into degrees so that we can know the exact location :)
I think it's called oceanic, which I found on Quizlet
https://quizlet.com/12851610/geo-200-test-1-flash-cards/
You can take a look and see if it makes sense.
