Hurricane Zeta upgraded to Category 3 in post-season report In a post-season report by the National Hurricane Center, Hurricane Zeta has been upgraded from a Category 2 to a Category 3. (Source: National Hurricane Center) By Lindsay Knowles | May 11, 2021 at 1:26 PM CDT - Updated May 11 at 4:16 PM BILOXI, Miss. (WLOX) - Hurricane Zeta caused over $4 billion in damage last October when it made landfall in parts of Louisiana and South Mississippi. Now, in a post-season report by the National Hurricane Center, the storm has been upgraded from a Category 2 to a Category 3. The report released Monday bumped Zeta’s max intensity up from 109 mph to 115 mph at landfall, with the most intense winds being recorded with a radar in Golden Meadow, La.