Weather patterns in the northern hemisphere move from east to west over the pacific ocean from west to east over the united states south to north over the atlantic ocean randomly

Weather patterns in the Northern Hemisphere move "from east to west over the Pacific Ocean." The Northern Hemisphere of the Earth is the upper half starting from the equator. Its currents tend to move in clockwise pattern. The clockwise air circulation of Northern Hemisphere tens to create high pressure weather cells.

It would be (at) + cu (s)