Whirlpools can also be caused by winds, which may cause surface currents to switch direction, and consistent whirlpools are sometimes caused by geographical features which determine the flow of water currents in a region.
NCAA March Madness Schedule | NCAA.com. Our 2015 March Madness Schedule provides all the official dates for the First Four, Second and Third Rounds, Regionals, Final Four and the Championship Game. First Fourâ¢: March 17-18. Second-Third Rounds: March 19-22.
Be a part of March Madness&reg; with Ticketmaster Verified Tickets. NCAA Sweet 16Â®. The pressure is on from the start of every NCAA tournament, and it only builds with each passing round. Sixty-eight teams tip off at the start, and by the second weekend only 16 teams remain. Those NCAA Sweet 16 teams play regional semifinals for a chance to move on to the regional finals (and become part of the Elite Eight&reg;) later in the weekend.