Tropical Cyclone Sean
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
Sean at 2025-01-17 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 4 tropical cyclone , max wind 约 59.2 m/s (1 分钟平均) , minimum central pressure 945 hPa, at 2025-01-23 14:00:00前后结束, total 记录 26 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2025-01-17 08:00 | -17.7°S, 122.2°E | Tropical Depression | 11.3 | 1000 |
| 2025-01-17 20:00 | -18.9°S, 120.7°E | Tropical Depression | 13.9 | 998 |
| 2025-01-18 08:00 | -19.4°S, 119.2°E | Tropical Depression | 18 | 998 |
| 2025-01-18 20:00 | -18.9°S, 117.7°E | Category 1 Tropical Cyclone | 23.1 | 996 |
| 2025-01-19 08:00 | -19.5°S, 116.1°E | Category 1 Tropical Cyclone | 26.2 | 989 |
| 2025-01-19 20:00 | -20.2°S, 114.4°E | Category 2 Tropical Cyclone | 32.9 | 974 |
| 2025-01-20 08:00 | -21.0°S, 112.3°E | Category 4 tropical cyclone | 47.8 | 959 |
| 2025-01-20 20:00 | -22.6°S, 110.8°E | Category 4 tropical cyclone | 59.2 | 945 |
| 2025-01-21 08:00 | -24.1°S, 109.2°E | Category 4 tropical cyclone | 47.8 | 954 |
| 2025-01-21 20:00 | -26.2°S, 107.6°E | Category 2 Tropical Cyclone | 32.9 | 972 |
| 2025-01-22 08:00 | -27.3°S, 107.0°E | Category 1 Tropical Cyclone | 23.1 | 987 |
| 2025-01-22 20:00 | -28.2°S, 107.2°E | Extratropical cyclone | 20.1 | 988 |
| 2025-01-23 08:00 | -29.3°S, 107.8°E | Extratropical cyclone | 20.1 | 990 |
| 2025-01-23 14:00 | -30.2°S, 108.2°E | Extratropical cyclone | 13.9 | 998 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2025017S18122 / SH102025. There is no official Chinese name for this system, so the original English name is used. Intensity follows the local classification scale for the region, converted from 1-minute sustained winds using the WMO factor, and is for reference only. Data notes · Incorrect translation?
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