2004 tropical cyclone seasons worldwide
In 2004, 88 storms reached tropical-storm strength across the six ocean basins. 52 of them reached hurricane or typhoon strength (64 kt) and 31 became major storms (96 kt or more). The strongest was Super Typhoon Dianmu in the West Pacific, at 180 mph. The Southern Hemisphere figures are the 2003–04 season, which IBTrACS files under 2004.
2004 at a glance
- Storms at tropical-storm strength (34 kt+): 88, from 101 systems tracked.
- Hurricanes and typhoons (64 kt+): 52.
- Major storms (96 kt+): 31, 7 of them at Category 5 strength.
- Accumulated cyclone energy, all basins: 1030, 129% of the 800 that the six basins produce in an average year (1991–2020).
- Strongest storm worldwide: Super Typhoon Dianmu, West Pacific, 180 mph (155 kt), 879 mb.
- Most active basin against its average: Atlantic, with 185% of its average accumulated cyclone energy.
- Least active against its average: Central Pacific, at 0%.
Each basin in 2004
Counts against each basin’s 1991–2020 average. Open a basin for its 2004 track map, every storm and its landfalls.
Atlantic hurricane season
2004 season
15 named (average 14.4), 9 hurricanes (average 7.2). Strongest: Hurricane Ivan, 165 mph.
East Pacific hurricane season
2004 season
12 named (average 15.6), 6 hurricanes (average 8.4). Strongest: Hurricane Javier, 150 mph.
Central Pacific hurricane season
2004 season
0 named (average 1.6), 0 hurricanes (average 0.8).
West Pacific typhoon season
2004 season
32 named (average 25.5), 20 typhoons (average 15.8). Strongest: Super Typhoon Dianmu, 180 mph.
North Indian cyclone season
2004 season
7 named (average 6.3), 2 at hurricane strength (average 2.0). Strongest: Cyclone 2B, 75 mph.
Southern Hemisphere cyclone season
2003–04 season
22 named (average 26.7), 15 at hurricane strength (average 13.8). Strongest: Cyclone Heta, 160 mph.
Strongest storms of 2004
| Storm | Basin | Peak wind | Min pressure | Dates |
|---|---|---|---|---|
| Dianmu | West Pacific | C5 180 mph | 879 mb | – |
| Chaba | West Pacific | C5 180 mph | 879 mb | – |
| Ivan | Atlantic | C5 165 mph | 910 mb | – |
| Heta | Southern Hemisphere | C5 160 mph | 898 mb | – |
| Gafilo | Southern Hemisphere | C5 160 mph | 898 mb | – |
Peak winds are 1-minute sustained winds from the NHC and JTWC best tracks, so storms in different basins compare on the same scale.