Records set in the Atlantic - Season 2005:

• Most tropical storms: 28. Old record: 21 in 1933.
• Most hurricanes: 15. Old record: 12 in 1969.
• Most Category 5 hurricanes: 4 (Emily, Katrina, Rita, and Wilma). Emily was upgraded to Category 5 upon re-analysis. Old record: 2 in 1960 and 1961.
• Most hurricane names to be retired: 5 (Dennis, Katrina, Rita, Stan, Wilma, and possibly others). Previous record: 4 in 1955, 1995, and 2004.
• Most major hurricanes to hit the U.S.: 4 (Dennis, Katrina, Rita, Wilma). Previous record: 3 in 1893, 1909, 1933, 1954, and 2004. Most damage ever recorded in a hurricane season: $150 billion. Previous record: approximately $50 billion dollars (normalized to 2005 dollars) set in 1992 and 2004.
• Latest end to a hurricane season: January 6 Previous record: January 5, for the 1954-55 hurricane season.
• Two-Year Consecutive Total of Tropical Storms: 42
  (previous record: 32 most recently in 1995-96)
• Two-Year Consecutive Total of Hurricanes: 24
  (previous record: 21 in 1886-87)
• Two-Year Consecutive Total of Major Hurricanes: 13
  (ties record in 1950-51)
• Two-Year Consecutive Major Hurricane Landfalls: Seven
  (previous record: five in 1954-55)
• Two -Year Consecutive Florida Major Hurricane Landfalls: Five
  (previous record: three in 1949-50)
• Three-Year Consecutive Total of Tropical Storms: 58
  (previous record: 43 most recently in 2002-04)
• Three-Year Consecutive Total of Hurricanes: 31
  (previous record: 27 in 1886-88)
• Three-Year Consecutive Total of Major Hurricanes: 16
  (ties record in 1949-51 and 1950-52)
• Costliest Atlantic Season ($107 billion+) (previous record 2004, $45 billion)
• Costliest Hurricane: Katrina ($80 billion+) (previous record Andrew, $26.5 billion - 1992 dollars)
• Deadliest U.S. Hurricane since 1928: Katrina (at least 1,300)
  Strongest Hurricane in the Atlantic Basin: Wilma 882 millibars (mb) (previous record: Gilbert at 888 mb)
• Three of the six strongest hurricanes on record: Wilma 882 mb (1st), Rita 897 mb (4th), Katrina 902 mb (6th)
• July hurricane: Emily (160 mph top sustained winds) (previous record: Dennis (150 mph) in 2005; Hurricane #1 (140 mph) in 1926.
• Hurricane Epsilon became the longest lasting Atlantic hurricane on record for the month of December.
• Tropical Storm Zeta beat Alice #2 (1954) as the longest-lived tropical cyclone to survive from December into January pushing the total number of storms to a record setting 27.
• Post-analysis showed a sub-tropical storm that formed pushing the new record to an amazing 28 storms for the 2005 season.