Captain Gaby Lewis made a run-a-ball 103 to lead her Scorchers side to back-to-back doubles in the Super Series 50 overs clash at Sydney Parade.
Chasing 166, Lewis hit 16 boundaries on the way to her hundred – her third in the competition.
She shared an opening stand of 56 with Bev Devchand (22) on the way to the seven wicket win.
Zimbabwean/Australian Devchand (5-33) had earlier taken a five-wicket haul as the Typhoons were bowled out for 165.
Mary Waldron top-scored with 62 (7 fours), sharing an eighth wicket stand of 57 with Joanna Loughran (25). S
ophie MacMahon also picked up two wickets in a comfortable win.