PORTLAND, Ore. � Dirk Nowitzki scored 24 of his 30 points in the first half, and Jason Terry had 19 to help the surging Dallas Mavericks beat the Portland Trail Blazers 102-94 on Thursday night.

Nowitzki was 12-of-18 from the field and scored on power moves and jumpers despite playing the second half in foul trouble.

Josh Howard added 15 points for Dallas, 15-4 in its last 19 games after opening 2-7.

Portland's Brandon Roy had 22 points, but went scoreless in the fourth quarter. The Trail Blazers had won 13 straight Christmas games.