Tropical Cyclone Dianne
● 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).
Dianne at 2025-03-27 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 984 hPa, at 2025-03-30 14:00:00前后结束, total 记录 15 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2025-03-27 02:00 | -14.3°S, 121.0°E | Tropical Depression | 13.9 | 999 |
| 2025-03-27 08:00 | -13.8°S, 121.3°E | Tropical Depression | 16.5 | 998 |
| 2025-03-27 14:00 | -13.7°S, 121.9°E | Tropical Depression | 16.5 | 997 |
| 2025-03-27 20:00 | -13.8°S, 122.5°E | Tropical Depression | 16.5 | 997 |
| 2025-03-28 02:00 | -13.9°S, 122.9°E | Category 1 Tropical Cyclone | 19.5 | 994 |
| 2025-03-28 08:00 | -14.2°S, 123.5°E | Tropical Depression | 18 | 992 |
| 2025-03-28 14:00 | -14.8°S, 123.7°E | Category 1 Tropical Cyclone | 20.1 | 989 |
| 2025-03-28 20:00 | -15.6°S, 123.8°E | Category 1 Tropical Cyclone | 20.1 | 986 |
| 2025-03-29 02:00 | -16.3°S, 123.8°E | Category 1 Tropical Cyclone | 23.1 | 984 |
| 2025-03-29 08:00 | -17.1°S, 124.0°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 2025-03-29 14:00 | -18.3°S, 124.1°E | Tropical Depression | 16.5 | 997 |
| 2025-03-29 20:00 | -19.1°S, 124.2°E | Tropical Depression | 13.9 | 999 |
| 2025-03-30 02:00 | -19.7°S, 124.3°E | Tropical Depression | 13.9 | 1000 |
| 2025-03-30 08:00 | -20.2°S, 124.3°E | Tropical Depression | 13.9 | 1000 |
| 2025-03-30 14:00 | -20.2°S, 124.3°E | Tropical Depression | 13.9 | 997 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2025086S14121 / SH282025. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the local agency classification for the region, converted from 1-minute sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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