Tropical Storm Zeta was a very late-developing tropical storm that formed in the central Atlantic Ocean during the 2005 Atlantic hurricane season, forming one month after the season's official end. Becoming a tropical depression on December 30, and intensifying the following day into the season's 28th storm, Zeta continued into January 2006. It was one of only two Atlantic tropical cyclones to span two calendar years. Tropical Storm: peak winds of 65 mph (55 knots), lowest pressure 994 mb. December 30 – January 7, 2006. Accumulated cyclone energy: 6.3. Wiki link Track: NOAA National Hurricane Center, HURDAT2 best track AL312005 (public domain).