Tropical Cyclone Bianca
● 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).
Bianca at 2025-02-19 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 4 tropical cyclone , max wind 约 50.9 m/s (1 分钟平均) , minimum central pressure 954 hPa, at 2025-02-27 20:00:00前后结束, total 记录 35 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2025-02-19 08:00 | -12.1°S, 125.3°E | Tropical Depression | 11.3 | 1006 |
| 2025-02-19 20:00 | -12.5°S, 123.3°E | Tropical Depression | 11.3 | 1005 |
| 2025-02-20 08:00 | -13.1°S, 121.3°E | Tropical Depression | 13.9 | 1005 |
| 2025-02-20 20:00 | -13.9°S, 119.2°E | Tropical Depression | 13.9 | 1005 |
| 2025-02-21 08:00 | -14.7°S, 117.3°E | Tropical Depression | 13.9 | 1006 |
| 2025-02-21 20:00 | -15.1°S, 115.3°E | Tropical Depression | 11.3 | 1007 |
| 2025-02-22 08:00 | -15.0°S, 112.5°E | Tropical Depression | 13.9 | 1005 |
| 2025-02-22 20:00 | -15.3°S, 110.6°E | Tropical Depression | 13.9 | 1005 |
| 2025-02-23 08:00 | -16.0°S, 108.3°E | Tropical Depression | 16.5 | 1000 |
| 2025-02-23 20:00 | -17.2°S, 106.0°E | Category 1 Tropical Cyclone | 23.1 | 995 |
| 2025-02-24 08:00 | -18.3°S, 104.6°E | Category 2 Tropical Cyclone | 27.8 | 991 |
| 2025-02-24 20:00 | -19.5°S, 103.2°E | Category 3 tropical cyclone | 38.1 | 980 |
| 2025-02-25 08:00 | -21.1°S, 102.5°E | Category 4 tropical cyclone | 50.9 | 954 |
| 2025-02-25 20:00 | -22.8°S, 102.2°E | Category 4 tropical cyclone | 47.8 | 967 |
| 2025-02-26 08:00 | -24.7°S, 102.4°E | Category 2 Tropical Cyclone | 32.9 | 991 |
| 2025-02-26 20:00 | -26.3°S, 103.7°E | Tropical Depression | 18 | 1000 |
| 2025-02-27 08:00 | -26.5°S, 103.9°E | Category 1 Tropical Cyclone | 19.5 | 1002 |
| 2025-02-27 20:00 | -25.0°S, 101.8°E | Tropical Depression | 13.9 | 1012 |
Data source: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2025050S12125 / SH202025. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the classifications of the relevant regional agency, converted from 1-minute sustained winds using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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