On the average, it most often blow horizontally.
The trade winds (northeast or southeast depending on which hemisphere you're in) blow towards the Equator.
Trade Winds.
Polar Westerlies.
east to west
the cat in the hat
The trade winds (northeast or southeast depending on which hemisphere you're in) blow towards the Equator.
These are the Trade Winds, you can easily look this up in Wikipedia
Trade Winds
trade winds
east and west
Trade winds blow from east to west while the westerlies blow from west to east. Trade winds blow near the equator whereas the westerlies blow in the middle latitudes.
Trade Winds.
Polar Westerlies.
The Equator receives the most heat energy
face
east to west
the cat in the hat