Blues substitute prop Sione Ahio gave the visitors the lead for the first time with a try in the 42nd minute. A penalty try in the 52nd minute had the Blues ahead 24-15.
The Canes had to score next and they did with Thompson scoring his second try which was converted by Manawatu-based first five-eighth and Taradale age group product Stu Cruden.
Magpies second five-eighth Danny Toala, who along with Mitchell were the over age wild cards in the host side, was always powerful on the carry. Like Cruden, Hawke's Bay utility back Latrell Ah Kiong, was introduced in the 57th minute but the fullback received few attacking opportunities.
Hooker Ben Strang, the 2019 New Zealand Schools hooker who will play his club rugby for Central this season, was also a second half substitute for the Canes.
Scorers:
Hurricanes 22 ( Ethan Webster-Nonu, Tyrone Thompson 2 tries; Aidan Morgan pen, con; Stu Cruden con ), Blues 24 (Taufa Funaki, Joel Cobb, Sione Ahio, penalty try tries; Zarn Sullivan con). HT: 15-12.