1987South 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 1987-04-20 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Moderate Tropical Storm, max wind 约 23.1 m/s (1 分钟平均) , at 1987-04-26 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 |
|---|
| 1987-04-20 08:00 | -7.3°S, 73.2°E | Tropical Disturbance | 10.3 | - |
| 1987-04-20 20:00 | -9.0°S, 71.3°E | Tropical Disturbance | 12.9 | - |
| 1987-04-21 08:00 | -11.0°S, 71.2°E | Tropical Disturbance | 12.9 | - |
| 1987-04-21 20:00 | -12.3°S, 71.4°E | Tropical Disturbance | 12.9 | - |
| 1987-04-22 08:00 | -12.9°S, 71.6°E | Tropical Disturbance | 12.9 | - |
| 1987-04-22 20:00 | -13.4°S, 71.8°E | Tropical Disturbance | 12.9 | - |
| 1987-04-23 08:00 | -13.9°S, 72.1°E | Tropical Disturbance | 12.9 | - |
| 1987-04-23 20:00 | -14.3°S, 72.6°E | Tropical Disturbance | 12.9 | - |
| 1987-04-24 08:00 | -14.7°S, 73.3°E | Tropical Disturbance | 15.4 | - |
| 1987-04-24 20:00 | -15.0°S, 74.2°E | Moderate Tropical Storm | 20.6 | - |
| 1987-04-25 08:00 | -14.6°S, 74.9°E | Moderate Tropical Storm | 20.6 | - |
| 1987-04-25 20:00 | -13.9°S, 74.8°E | Moderate Tropical Storm | 23.1 | - |
| 1987-04-26 08:00 | -13.3°S, 74.4°E | Tropical Depression | 18 | - |
| 1987-04-26 20:00 | -12.9°S, 73.9°E | Tropical Disturbance | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1987110S07073 / SH261987. This system has no official Chinese name and is shown under its original English name. Intensity categories follow the classifications of the regional agency in the basin and are converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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