1990South 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 1990-09-19 14:00:00 (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 1990-09-25 20:00:00前后结束, total 记录 26 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-09-19 14:00 | -6.9°S, 73.8°E | Tropical Disturbance | 7.7 | - |
| 1990-09-20 02:00 | -6.5°S, 73.1°E | Tropical Disturbance | 10.3 | - |
| 1990-09-20 14:00 | -6.3°S, 72.5°E | Tropical Disturbance | 12.9 | - |
| 1990-09-21 02:00 | -6.2°S, 71.8°E | Tropical Disturbance | 15.4 | - |
| 1990-09-21 14:00 | -6.9°S, 70.7°E | Tropical Disturbance | 15.4 | - |
| 1990-09-22 02:00 | -7.5°S, 69.4°E | Tropical Disturbance | 15.4 | - |
| 1990-09-22 14:00 | -8.2°S, 67.8°E | Tropical Disturbance | 15.4 | - |
| 1990-09-23 02:00 | -8.7°S, 66.1°E | Tropical Disturbance | 15.4 | - |
| 1990-09-23 14:00 | -8.7°S, 64.6°E | Tropical Disturbance | 15.4 | - |
| 1990-09-24 02:00 | -8.4°S, 62.9°E | Tropical Disturbance | 15.4 | - |
| 1990-09-24 14:00 | -8.7°S, 61.0°E | Tropical Disturbance | 15.4 | - |
| 1990-09-25 02:00 | -8.7°S, 59.4°E | Tropical Disturbance | 15.4 | - |
| 1990-09-25 14:00 | -8.7°S, 57.9°E | Tropical Disturbance | 15.4 | - |
| 1990-09-25 20:00 | -8.7°S, 57.2°E | Tropical Disturbance | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1990262S07074 / SH011991. There is no official Chinese name for this system, so the original English designation is used. Intensity is classified by the local agency for the region (converted from 1-min sustained wind using the WMO factor) and is for reference only. Data notes · Incorrect translation?
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