In some compositions they are carried by powerful currents towards and away from the viewer or appear deposited in trees and forests as if by a great destructive force. (galleryintell.com)
For swimming in the ocean it can get very rough with powerful currents and no help for miles - deadly rough. (KauaiExplorer.com)
Many powerful currents within and beyond the academy are already pushing toward these revised understandings of theology and practice. (religion-online.org)