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 2021-01-19 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为1级Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , minimum central pressure 994 hPa, at 2021-02-02 14:00:00前后结束, total 记录 56 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-01-19 20:00 | -13.1°S, 106.7°E | Tropical Depression | 8.2 | 1005 |
| 2021-01-20 14:00 | -12.6°S, 100.9°E | Tropical Depression | 15.4 | 1004 |
| 2021-01-21 08:00 | -12.4°S, 97.8°E | Tropical Depression | 18 | 995 |
| 2021-01-22 02:00 | -13.0°S, 97.5°E | Tropical Depression | 18 | 994 |
| 2021-01-22 20:00 | -13.3°S, 97.4°E | Tropical Depression | 18 | 996 |
| 2021-01-23 14:00 | -14.4°S, 97.6°E | Tropical Depression | 18 | 996 |
| 2021-01-24 08:00 | -16.0°S, 97.6°E | Tropical Depression | 15.4 | 996 |
| 2021-01-25 02:00 | -16.7°S, 96.4°E | Tropical Depression | 15.4 | 998 |
| 2021-01-25 20:00 | -17.7°S, 95.7°E | Tropical Depression | 12.9 | 998 |
| 2021-01-26 14:00 | -18.9°S, 94.5°E | Tropical Depression | 15.4 | 998 |
| 2021-01-27 08:00 | -19.3°S, 92.2°E | Tropical Depression | 12.9 | 998 |
| 2021-01-28 02:00 | -19.0°S, 88.9°E | Tropical Disturbance | 12.9 | 1004 |
| 2021-01-28 20:00 | -18.3°S, 84.6°E | Tropical Disturbance | 12.9 | 1005 |
| 2021-01-29 14:00 | -17.6°S, 78.5°E | Tropical Disturbance | 12.9 | 1007 |
| 2021-01-30 08:00 | -16.9°S, 73.0°E | Tropical Disturbance | 10.3 | 1009 |
| 2021-01-31 02:00 | -15.4°S, 68.2°E | Tropical Disturbance | 10.3 | 1009 |
| 2021-01-31 20:00 | -15.0°S, 62.7°E | Tropical Disturbance | 7.7 | 1007 |
| 2021-02-01 14:00 | -13.4°S, 58.3°E | Tropical Disturbance | 10.3 | 1006 |
| 2021-02-02 08:00 | -13.1°S, 55.2°E | Tropical Disturbance | 7.7 | 1008 |
| 2021-02-02 14:00 | -12.9°S, 54.1°E | Tropical Disturbance | 7.7 | 1008 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021020S13107 / SH132021. This basin has no official Chinese name, displayed by original English name. Intensity classification follows local agency standards for the basin (converted from 1-min sustained wind using WMO coefficients), for reference only. Data notes · Incorrect translation?
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