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 1989-07-07 20:00:00 (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 1989-07-12 02:00:00前后结束, total 记录 18 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-07-07 20:00 | -7.4°S, 87.6°E | Tropical Disturbance | 12.9 | - |
| 1989-07-08 02:00 | -7.1°S, 87.1°E | Tropical Disturbance | 12.9 | - |
| 1989-07-08 08:00 | -7.0°S, 86.6°E | Tropical Disturbance | 12.9 | - |
| 1989-07-08 14:00 | -7.0°S, 86.3°E | Tropical Disturbance | 12.9 | - |
| 1989-07-08 20:00 | -7.0°S, 85.9°E | Tropical Disturbance | 12.9 | - |
| 1989-07-09 02:00 | -7.2°S, 85.6°E | Tropical Disturbance | 12.9 | - |
| 1989-07-09 08:00 | -7.5°S, 85.5°E | Tropical Disturbance | 12.9 | - |
| 1989-07-09 14:00 | -7.8°S, 85.5°E | Tropical Disturbance | 12.9 | - |
| 1989-07-09 20:00 | -8.1°S, 85.7°E | Tropical Disturbance | 12.9 | - |
| 1989-07-10 02:00 | -8.2°S, 86.0°E | Tropical Disturbance | 12.9 | - |
| 1989-07-10 08:00 | -8.1°S, 86.3°E | Tropical Disturbance | 12.9 | - |
| 1989-07-10 14:00 | -8.0°S, 86.6°E | Tropical Disturbance | 15.4 | - |
| 1989-07-10 20:00 | -7.8°S, 86.7°E | Tropical Disturbance | 15.4 | - |
| 1989-07-11 02:00 | -7.6°S, 86.7°E | Tropical Disturbance | 15.4 | - |
| 1989-07-11 08:00 | -7.5°S, 86.5°E | Tropical Disturbance | 15.4 | - |
| 1989-07-11 14:00 | -7.5°S, 86.3°E | Tropical Disturbance | 15.4 | - |
| 1989-07-11 20:00 | -7.8°S, 86.4°E | Tropical Disturbance | 15.4 | - |
| 1989-07-12 02:00 | -8.0°S, 86.5°E | Tropical Disturbance | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1989189S07088 / SH011990. There is no official Chinese name for this system, so the English name is used. Intensity grades follow the classifications of the local agency in the relevant sea area, converted from 1-minute sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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