Subpolar circulation in the southern hemisphere is dominated by the Antarctic Circumpolar Current, due to the lack of large landmasses breaking up the Southern Ocean. There are minor gyres in the Weddell Sea and the Ross Sea, the Weddell Gyre and Ross Gyre, which circulate in a clockwise direction.
Field of 68 teams set for 2015 NCAA Tournament. Mar 15, 2015; Nashville, TN, USA; Kentucky Wildcats forward Willie Cauley-Stein (15) dunks the ball during the first half of the SEC Conference championship game at Bridgestone Arena. Kentucky Wildcats defeated Arkansas Razorbacks 78-63.
The Regionals are the opening round of the NCAA Tournament. There are 16 Regionals, 8 hosted by the National Seeds and 8 hosted by the next best teams in the field of 64. Each regional contains 4 teams, seeded 1-4.