1999 tropical cyclone seasons worldwide
In 1999, 83 storms reached tropical-storm strength across the six ocean basins. 42 of them reached hurricane or typhoon strength (64 kt) and 21 became major storms (96 kt or more). The strongest was Cyclone 5B in the North Indian, at 160 mph. The Southern Hemisphere figures are the 1998–99 season, which IBTrACS files under 1999.
1999 at a glance
- Storms at tropical-storm strength (34 kt+): 83, from 110 systems tracked.
- Hurricanes and typhoons (64 kt+): 42.
- Major storms (96 kt+): 21, 3 of them at Category 5 strength.
- Accumulated cyclone energy, all basins: 649, 81% of the 800 that the six basins produce in an average year (1991–2020).
- Strongest storm worldwide: Cyclone 5B, North Indian, 160 mph (140 kt), 912 mb.
- Most active basin against its average: North Indian, with 189% of its average accumulated cyclone energy.
- Least active against its average: Central Pacific, at 21%.
Each basin in 1999
Counts against each basin’s 1991–2020 average. Open a basin for its 1999 track map, every storm and its landfalls.
Atlantic hurricane season
1999 season
12 named (average 14.4), 8 hurricanes (average 7.2). Strongest: Hurricane Floyd, 155 mph.
East Pacific hurricane season
1999 season
9 named (average 15.6), 6 hurricanes (average 8.4). Strongest: Hurricane Dora, 140 mph.
Central Pacific hurricane season
1999 season
1 named (average 1.6), 1 hurricane (average 0.8). Strongest: Hurricane Tanya, 80 mph.
West Pacific typhoon season
1999 season
22 named (average 25.5), 10 typhoons (average 15.8). Strongest: Super Typhoon Bart, 160 mph.
North Indian cyclone season
1999 season
6 named (average 6.3), 3 at hurricane strength (average 2.0). Strongest: Cyclone 5B, 160 mph.
Southern Hemisphere cyclone season
1998–99 season
33 named (average 26.7), 14 at hurricane strength (average 13.8). Strongest: Cyclone Evrina, 160 mph.
Strongest storms of 1999
| Storm | Basin | Peak wind | Min pressure | Dates |
|---|---|---|---|---|
| TD 5B | North Indian | C5 160 mph | 912 mb | – |
| Evrina | Southern Hemisphere | C5 160 mph | 920 mb | – |
| Bart | West Pacific | C5 160 mph | 930 mb | – |
| Thelma | Southern Hemisphere | C4 155 mph | 920 mb | – |
| Floyd | Atlantic | C4 155 mph | 921 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.