Zeta broke the record for the previous earliest 27th Atlantic named storm that formed Nov. 29, 2005. It’s also the 11th hurricane of the season. An average season sees six hurricanes and 12 named storms.

Hurricane Delta emerged into the Gulf of Mexico on Wednesday and headed toward Louisiana after making landfall just south of the Mexican resort of Cancun, toppling trees and and cutting power to residents of the Yucatan peninsula’s resort-studded coast.

Algal blooms threaten the economies of the globe’s most tourism dependent nations, scuttle holidays plans and give climate scientists more to worry about