MEDFORD, Mass. -- With a snow/ice mix falling on Bello Field for the duration of the game, Tufts opened 2012 NCAA Championship play on Wednesday with an 8-0 victory against Castleton in the first round.

Junior Emily Cannon and senior Missy Karp both scored twice for Tufts (15-2), which allowed the Jumbos to move on to the second round at William Smith on Saturday.

Castleton, which showed fight by earning nine penalty corners in the second half, finished its season with a 17-5 record.

Tufts, making its seventh appearance in the NCAA tournament, surged to a 5-0 lead by halftime. Senior Kelsey Perkins scored first, depositing a rebound into the cage just 1:37 into the game. Less than 90 seconds later, Cannon scored her first unassisted goal of the game.

At 15:08 during a scrum in front of the Castleton net, Jumbo first-year Hannah Park flipped a shot over keeper Jessica Galatioto for a 3-0 margin. Junior Stephanie Wan tallied her first goal of the season during a penalty corner attempt for Tufts with 6:57 on the clock. Cannon made it 5-0 when she converted a penalty stroke with 1:25 to go until halftime.

Tufts had advantages of 20-3 in shots and 8-1 in corners for the first 35 minutes.

The snow did not let up and the field was covered for the beginning of the second half. The teams played on, with Jumbo junior Chelsea Yogerst upping the hosts' lead to 6-0 with a goal assisted by sophomore Maggie Chapman at 41:33.

Karp tallied the next two at 49:03 and at 63:09 to finish the scoring. Park had an assist on the first goal for a three-point day, while first-year Alison Rolfe recorded her first collegiate point with an assist on the second.

Castleton, playing in its second NCAA tournament game ever, worked hard to spoil the shutout in the second half. They put five shots on goal, including two by leading scorer Kealy Chipman. However, Tufts junior Katie Stuntz, who entered the game at halftime, made five saves to preserve the shutout. Sophomore Brianna Keenan started for the Jumbos and had two saves in the first half.

Galatioto finished with 18 saves for the Spartans. Castleton also made five defensive saves, including two each by sophomore Karissa McCoy and junior Alex Sears.