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 2021-01-18 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 992 hPa, at 2021-01-23 14:00:00前后结束, total 记录 22 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-01-18 08:00 | -10.9°S, 132.5°E | Tropical Depression | 8.2 | 1004 |
| 2021-01-18 14:00 | -10.7°S, 131.3°E | Tropical Depression | 8.2 | 1003 |
| 2021-01-18 20:00 | -10.7°S, 129.7°E | Tropical Depression | 8.2 | 1004 |
| 2021-01-19 02:00 | -10.8°S, 128.6°E | Tropical Depression | 8.2 | 1002 |
| 2021-01-19 08:00 | -10.8°S, 127.6°E | Tropical Depression | 7.7 | 1003 |
| 2021-01-19 14:00 | -10.8°S, 126.5°E | Tropical Depression | 7.7 | 1001 |
| 2021-01-19 20:00 | -11.2°S, 125.5°E | Tropical Depression | 7.7 | 1000 |
| 2021-01-20 02:00 | -11.7°S, 124.5°E | Tropical Depression | 10.3 | 1002 |
| 2021-01-20 08:00 | -12.2°S, 123.5°E | Tropical Depression | 10.3 | 1000 |
| 2021-01-20 14:00 | -13.0°S, 122.8°E | Tropical Depression | 12.9 | 1000 |
| 2021-01-20 20:00 | -13.7°S, 121.5°E | Tropical Depression | 15.4 | 1000 |
| 2021-01-21 02:00 | -14.5°S, 120.8°E | Tropical Depression | 15.4 | 998 |
| 2021-01-21 08:00 | -15.1°S, 120.5°E | Tropical Depression | 15.4 | 998 |
| 2021-01-21 14:00 | -16.2°S, 119.8°E | Tropical Depression | 15.4 | 996 |
| 2021-01-21 20:00 | -17.0°S, 119.8°E | Tropical Depression | 18 | 996 |
| 2021-01-22 02:00 | -17.9°S, 120.0°E | Tropical Depression | 18 | 994 |
| 2021-01-22 08:00 | -19.0°S, 120.2°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 2021-01-22 14:00 | -20.0°S, 120.7°E | Category 1 Tropical Cyclone | 20.6 | 992 |
| 2021-01-22 20:00 | -20.9°S, 121.3°E | Tropical Depression | 18 | 994 |
| 2021-01-23 02:00 | -21.7°S, 122.2°E | Tropical Depression | 15.4 | 996 |
| 2021-01-23 08:00 | -22.4°S, 123.2°E | Tropical Depression | 15.4 | 998 |
| 2021-01-23 14:00 | -23.3°S, 124.0°E | Tropical Depression | 12.9 | 998 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021018S11133 / SH142021. This basin has no official Chinese name, displayed in original English. 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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