Team Logo. The Stockton Thunder were a team in the ECHL. They were the secondary affiliate of the New York Islanders. They moved to the Adirondack region and became the Adirondack Thunder. Retrieved from "https://prosportsteams.fandom.com/wiki/Stockton_Thunder?oldid=13900" Categories: Former ECHL Teams Teams in California Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.