2021South 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 2021-04-07 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 19.5 m/s (1 分钟平均) , minimum central pressure 1000 hPa, at 2021-04-11 08:00:00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 |
|---|
| 2021-04-07 02:00 | -9.5°S, 89.9°E | Tropical Cyclone | - | - |
| 2021-04-07 08:00 | -9.5°S, 91.0°E | Tropical Depression | 11.3 | 1004 |
| 2021-04-07 14:00 | -9.5°S, 91.5°E | Tropical Depression | 13.9 | 1004 |
| 2021-04-07 20:00 | -9.5°S, 91.8°E | Tropical Depression | 16.5 | 1003 |
| 2021-04-08 02:00 | -9.3°S, 92.0°E | Tropical Depression | 16.5 | 1003 |
| 2021-04-08 08:00 | -9.4°S, 93.0°E | Tropical Depression | 16.5 | 1003 |
| 2021-04-08 14:00 | -9.6°S, 93.5°E | Tropical Depression | 16.5 | 1003 |
| 2021-04-08 20:00 | -10.1°S, 94.2°E | Tropical Depression | 16.5 | 1001 |
| 2021-04-09 02:00 | -10.5°S, 95.1°E | Tropical Depression | 16.5 | 1001 |
| 2021-04-09 08:00 | -10.7°S, 95.4°E | Category 1 Tropical Cyclone | 19.5 | 1000 |
| 2021-04-09 14:00 | -10.8°S, 96.0°E | Category 1 Tropical Cyclone | 19.5 | 1000 |
| 2021-04-09 20:00 | -11.3°S, 96.4°E | Tropical Depression | 16.5 | 1001 |
| 2021-04-10 02:00 | -12.4°S, 97.2°E | Tropical Depression | 16.5 | 1003 |
| 2021-04-10 08:00 | -12.5°S, 98.1°E | Tropical Depression | 13.9 | 1003 |
| 2021-04-10 14:00 | -12.9°S, 99.0°E | Tropical Depression | 13.9 | 1006 |
| 2021-04-10 20:00 | -13.2°S, 100.5°E | Tropical Depression | 13.9 | 1006 |
| 2021-04-11 02:00 | -13.7°S, 101.8°E | Tropical Depression | 11.3 | 1006 |
| 2021-04-11 08:00 | -13.8°S, 103.5°E | Tropical Depression | 11.3 | 1006 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), ID 2021097S10090. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow the local agency's classification for the basin (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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