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.
As college basketball season reaches its midpoint, it will not be long before fans are watching the March Madness Selection Sunday special when the 68 teams that will play for the menâs national title will be selected. This year, Selection Sunday is March 12 beginning at 6:00 p.m. and will be broadcast by ESPN. The NCAA tournament will begin on Tuesday, March 14 with the first two of the First Four games and will continue until a national champion is crowned on Monday, April 3. Eight teams will be selected to play in the tournamentâs First Four.