1991 tropical cyclone seasons worldwide
In 1991, 74 storms reached tropical-storm strength across the six ocean basins. 45 of them reached hurricane or typhoon strength (64 kt) and 22 became major storms (96 kt or more). The strongest was Super Typhoon Yuri in the West Pacific, at 175 mph. The Southern Hemisphere figures are the 1990–91 season, which IBTrACS files under 1991.
1991 at a glance
- Storms at tropical-storm strength (34 kt+): 74, from 93 systems tracked.
- Hurricanes and typhoons (64 kt+): 45.
- Major storms (96 kt+): 22, 4 of them at Category 5 strength.
- Accumulated cyclone energy, all basins: 816, 102% of the 800 that the six basins produce in an average year (1991–2020).
- Strongest storm worldwide: Super Typhoon Yuri, West Pacific, 175 mph (150 kt), 895 mb.
- Most active basin against its average: West Pacific, with 143% of its average accumulated cyclone energy.
- Least active against its average: Atlantic, at 29%.
Each basin in 1991
Counts against each basin’s 1991–2020 average. Open a basin for its 1991 track map, every storm and its landfalls.
Atlantic hurricane season
1991 season
8 named (average 14.4), 4 hurricanes (average 7.2). Strongest: Hurricane Claudette, 130 mph.
East Pacific hurricane season
1991 season
14 named (average 15.6), 10 hurricanes (average 8.4). Strongest: Hurricane Kevin, 145 mph.
Central Pacific hurricane season
1991 season
1 named (average 1.6), 1 hurricane (average 0.8). Strongest: Hurricane Zelda, 90 mph.
West Pacific typhoon season
1991 season
28 named (average 25.5), 20 typhoons (average 15.8). Strongest: Super Typhoon Yuri, 175 mph.
North Indian cyclone season
1991 season
5 named (average 6.3), 1 at hurricane strength (average 2.0). Strongest: Cyclone 2B, 160 mph.
Southern Hemisphere cyclone season
1990–91 season
18 named (average 26.7), 9 at hurricane strength (average 13.8). Strongest: Cyclone Bella, 150 mph.
Strongest storms of 1991
| Storm | Basin | Peak wind | Min pressure | Dates |
|---|---|---|---|---|
| Yuri | West Pacific | C5 175 mph | 895 mb | – |
| Ruth | West Pacific | C5 165 mph | 895 mb | – |
| Walt | West Pacific | C5 160 mph | 915 mb | – |
| TD 2B | North Indian | C5 160 mph | 918 mb | – |
| Mireille | West Pacific | C4 150 mph | 925 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.