2011 tropical cyclone seasons worldwide
In 2011, 80 storms reached tropical-storm strength across the six ocean basins. 38 of them reached hurricane or typhoon strength (64 kt) and 21 became major storms (96 kt or more). The strongest was Super Typhoon Songda in the West Pacific, at 160 mph. The Southern Hemisphere figures are the 2010–11 season, which IBTrACS files under 2011.
2011 at a glance
- Storms at tropical-storm strength (34 kt+): 80, from 96 systems tracked.
- Hurricanes and typhoons (64 kt+): 38.
- Major storms (96 kt+): 21, 3 of them at Category 5 strength.
- Accumulated cyclone energy, all basins: 588, 73% of the 800 that the six basins produce in an average year (1991–2020).
- Strongest storm worldwide: Super Typhoon Songda, West Pacific, 160 mph (140 kt), 918 mb.
- Most active basin against its average: Atlantic, with 103% of its average accumulated cyclone energy.
- Least active against its average: Central Pacific, at 0%.
Each basin in 2011
Counts against each basin’s 1991–2020 average. Open a basin for its 2011 track map, every storm and its landfalls.
Atlantic hurricane season
2011 season
19 named (average 14.4), 7 hurricanes (average 7.2). Strongest: Hurricane Ophelia, 140 mph.
East Pacific hurricane season
2011 season
11 named (average 15.6), 10 hurricanes (average 8.4). Strongest: Hurricane Dora, 155 mph.
Central Pacific hurricane season
2011 season
No storms recorded.
West Pacific typhoon season
2011 season
18 named (average 25.5), 10 typhoons (average 15.8). Strongest: Super Typhoon Songda, 160 mph.
North Indian cyclone season
2011 season
7 named (average 6.3), 1 at hurricane strength (average 2.0). Strongest: Cyclone Thane, 105 mph.
Southern Hemisphere cyclone season
2010–11 season
25 named (average 26.7), 10 at hurricane strength (average 13.8). Strongest: Cyclone Yasi, 155 mph.
Strongest storms of 2011
| Storm | Basin | Peak wind | Min pressure | Dates |
|---|---|---|---|---|
| Songda | West Pacific | C5 160 mph | 918 mb | – |
| Muifa | West Pacific | C5 160 mph | 918 mb | – |
| Nanmadol | West Pacific | C5 160 mph | 918 mb | – |
| Yasi | Southern Hemisphere | C4 155 mph | 922 mb | – |
| Dora | East Pacific | C4 155 mph | 929 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.