The Hurricanes got their season off to the right start on Monday night, consigning Sydney to their fifth-straight loss at Hobart's recently re-named Ninja Stadium.
Carey top scored with 52 from 38 deliveries, including seven boundaries, batting at No.3.
"I've had a few different roles with the bat over the last few years. It's nice to get a bit more time out in the middle," the allrounder told FoxCricket, adding she was surprised when her coaches suggested she bat at No.3.
"I'm not someone who is going to clear the rope, so it might look a little bit different."
Carey also played an important role with the ball, getting rid of the Thunder's second-highest scorer Anika Learoyd (29).
Learoyd had shared a 52-run partnership with 21-year-old skipper Phoebe Litchfield, who hit 51 and appeared on track to guide the Thunder home.
But Litchfield fell in the 14th over when stumped by swift work from Lizelle Lee off the spin of Graham (3-19 from four overs).
Sydney were all out for 110 in the 18th over, chasing Hobart's 7-141.
Carey had to steady the ship when Lee departed in the second over after the Hurricanes lost the bat flip and were sent in.
She came to life in the two-over power surge, hitting four boundaries to push the Hurricanes to 2-92 but was out shortly afterwards.
Her departure sparked a collapse of 4-12 with Samantha Bates and Sri Lankan veteran Chamari Athapaththu tightening the screws.
Sydney's chase got off to the worst possible start when Molly Strano trapped Athapaththu lbw on the first ball.
The Thunder have a shot at revenge when they meet Hobart on Thursday night at North Sydney Oval.
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