Northern Hemisphere Tropical Cyclone Activity for 2017 (2017/2018 for the Southern Hemisphere)

1981-2010 Climatological Activity Through December 12 in Parentheses

Basin Named Storms Named Storm Days Hurricanes Hurricane Days Major Hurricanes Major Hurricane Days Accumulated Cyclone Energy
North Atlantic 17 (12.0) 91.25 (58.9) 10 (6.4) 51.25 (24.1) 6 (2.7) 19.25 (6.2) 226.0 (105.0)
Northeast Pacific (East of 180°) 18 (16.6) 66.00 (73.2) 9 (8.9) 19.75 (30.0) 4 (4.3) 4.75 (8.9) 98.2 (131.8)
Northwest Pacific (West of 180°) 24 (25.8) 88.25 (134.3) 11 (16.2) 35.75 (66.2) 4 (8.6) 6.00 (23.1) 145.3 (294.8)
North Indian 4 (4.6) 10.75 (13.6) 2 (1.5) 4.00 (3.0) 1 (0.7) 0.25 (1.0) 16.1 (18.3)
Northern Hemisphere 63 (59.0) 256.25 (280.0) 32 (33.0) 110.75 (123.3) 15 (16.3) 30.25 (39.2) 485.6 (549.9)
 
South Indian (West of 135°E) 1 (3.1) 4.00 (12.6) 0 (1.2) 0.00 (3.7) 0 (0.5) 0.00 (1.2) 2.9 (18.8)
South Pacific (East of 135°E) 0 (0.9) 0.00 (3.3) 0 (0.5) 0.00 (1.3) 0 (0.2) 0.00 (0.4) 0 (5.8)
Southern Hemisphere 1 (4.0) 4.00 (15.9) 0 (1.7) 0.00 (5.0) 0 (0.7) 0.00 (1.6) 2.9 (24.6)

Global statistics were last modified: December 12 2017 09:00 MT

Real-time statistics calculated from operational best tracks of NHC, CPHC and JTWC. Southern Hemisphere TC activity resets on July 1.

Click on a tropical cyclone basin name for individual storm statistics.