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.
Selection Sunday 2018: Dates, schedule, and everything else you need to know. March Madness begins on Selection Sunday 2018 when the NCAA Division I Men's Basketball Committee reveals which 68 teams have made the field for that year's basketball championships. Selection Sunday 2018 is Sunday, March 11. The show will stream live right here on NCAA.com.