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 1989-10-11 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Disturbance, max wind 约 15.4 m/s (1 分钟平均) , at 1989-10-17 20:00:00前后结束, total 记录 27 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-10-11 08:00 | -8.2°S, 79.7°E | Tropical Disturbance | 10.3 | - |
| 1989-10-11 20:00 | -9.0°S, 79.4°E | Tropical Disturbance | 12.9 | - |
| 1989-10-12 08:00 | -9.8°S, 79.4°E | Tropical Disturbance | 12.9 | - |
| 1989-10-12 20:00 | -10.6°S, 78.5°E | Tropical Disturbance | 15.4 | - |
| 1989-10-13 08:00 | -10.7°S, 77.3°E | Tropical Disturbance | 15.4 | - |
| 1989-10-13 20:00 | -10.8°S, 76.4°E | Tropical Disturbance | 15.4 | - |
| 1989-10-14 08:00 | -10.9°S, 75.3°E | Tropical Disturbance | 15.4 | - |
| 1989-10-14 20:00 | -10.5°S, 74.8°E | Tropical Disturbance | 15.4 | - |
| 1989-10-15 08:00 | -9.8°S, 73.9°E | Tropical Disturbance | 15.4 | - |
| 1989-10-15 20:00 | -9.3°S, 72.9°E | Tropical Disturbance | 15.4 | - |
| 1989-10-16 08:00 | -8.5°S, 72.0°E | Tropical Disturbance | 15.4 | - |
| 1989-10-16 20:00 | -8.0°S, 70.5°E | Tropical Disturbance | 15.4 | - |
| 1989-10-17 08:00 | -7.2°S, 68.8°E | Tropical Disturbance | 12.9 | - |
| 1989-10-17 20:00 | -6.6°S, 66.7°E | Tropical Disturbance | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1989284S08080 / SH041990. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency for the relevant sea area, based on 1-min sustained winds converted using the WMO scale factor, for reference only. Data notes · Incorrect translation?
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