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 1989-03-07 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Depression, max wind 约 18 m/s (1 分钟平均) , at 1989-03-11 20:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-03-07 20:00 | -17.3°S, 41.4°E | Tropical Disturbance | 10.3 | - |
| 1989-03-08 02:00 | -18.0°S, 41.4°E | Tropical Disturbance | 10.3 | - |
| 1989-03-08 08:00 | -18.6°S, 41.4°E | Tropical Disturbance | 12.9 | - |
| 1989-03-08 14:00 | -19.4°S, 41.4°E | Tropical Disturbance | 12.9 | - |
| 1989-03-08 20:00 | -20.2°S, 41.4°E | Tropical Disturbance | 12.9 | - |
| 1989-03-09 02:00 | -21.2°S, 41.4°E | Tropical Disturbance | 15.4 | - |
| 1989-03-09 08:00 | -22.3°S, 41.5°E | Tropical Depression | 18 | - |
| 1989-03-09 14:00 | -23.9°S, 42.2°E | Tropical Depression | 18 | - |
| 1989-03-09 20:00 | -25.3°S, 42.8°E | Tropical Depression | 18 | - |
| 1989-03-10 02:00 | -26.5°S, 43.2°E | Tropical Depression | 18 | - |
| 1989-03-10 08:00 | -27.7°S, 43.4°E | Tropical Depression | 18 | - |
| 1989-03-10 14:00 | -28.9°S, 43.7°E | Tropical Depression | 18 | - |
| 1989-03-10 20:00 | -29.9°S, 44.2°E | Tropical Depression | 18 | - |
| 1989-03-11 02:00 | -30.5°S, 44.7°E | Tropical Disturbance | 15.4 | - |
| 1989-03-11 08:00 | -31.1°S, 45.6°E | Tropical Disturbance | 15.4 | - |
| 1989-03-11 14:00 | -31.7°S, 46.7°E | Tropical Disturbance | 15.4 | - |
| 1989-03-11 20:00 | -32.2°S, 48.0°E | Tropical Disturbance | 15.4 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1989067S17041 / SH181989. No official Chinese name is available for this system, so the original English name is used. Intensity grades follow the classification used by the local agency in the region, converted from 1-minute sustained winds using WMO coefficients, and are for reference only. Data notes · Incorrect translation?
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