1989South Indian Ocean未命名Tropical Cyclone
● 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).
未命名 at 1989-02-23 08:00:00 (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) , at 1989-02-25 08:00:00前后结束, total 记录 9 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-02-23 08:00 | -17.1°S, 117.0°E | Tropical Depression | 12.9 | - |
| 1989-02-23 14:00 | -17.4°S, 118.0°E | Tropical Depression | 15.4 | - |
| 1989-02-23 20:00 | -18.1°S, 118.7°E | Tropical Depression | 15.4 | - |
| 1989-02-24 02:00 | -19.2°S, 118.3°E | Tropical Depression | 18 | - |
| 1989-02-24 08:00 | -20.0°S, 117.3°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1989-02-24 14:00 | -20.9°S, 116.3°E | Tropical Depression | 18 | - |
| 1989-02-24 20:00 | -21.9°S, 116.3°E | Tropical Depression | 15.4 | - |
| 1989-02-25 02:00 | -22.7°S, 116.9°E | Tropical Depression | 15.4 | - |
| 1989-02-25 08:00 | -23.6°S, 117.9°E | Tropical Depression | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1989054S17117 / SH161989. 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 winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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