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 2021-01-28 08:00:00 (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 990 hPa, at 2021-02-08 08:00:00前后结束, total 记录 45 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-01-28 08:00 | -15.2°S, 127.7°E | Tropical Depression | 8.2 | 998 |
| 2021-01-28 20:00 | -15.2°S, 126.8°E | Tropical Depression | 8.2 | 996 |
| 2021-01-29 08:00 | -16.4°S, 126.2°E | Tropical Depression | 12.9 | 996 |
| 2021-01-29 20:00 | -16.8°S, 125.7°E | Tropical Depression | 12.9 | 996 |
| 2021-01-30 08:00 | -17.4°S, 125.3°E | Tropical Depression | 15.4 | 994 |
| 2021-01-30 20:00 | -18.4°S, 124.2°E | Tropical Depression | 15.4 | 994 |
| 2021-01-31 08:00 | -19.9°S, 123.1°E | Tropical Depression | 15.4 | 996 |
| 2021-01-31 20:00 | -21.1°S, 121.4°E | Tropical Depression | 15.4 | 994 |
| 2021-02-01 08:00 | -20.8°S, 119.3°E | Tropical Depression | 15.4 | 992 |
| 2021-02-01 20:00 | -21.1°S, 118.2°E | Tropical Depression | 15.4 | 992 |
| 2021-02-02 08:00 | -22.0°S, 116.2°E | Tropical Depression | 12.9 | 992 |
| 2021-02-02 20:00 | -23.8°S, 115.2°E | Tropical Depression | 15.4 | 992 |
| 2021-02-03 08:00 | -23.8°S, 114.5°E | Tropical Depression | 15.4 | 992 |
| 2021-02-03 20:00 | -23.8°S, 114.5°E | Tropical Depression | 15.4 | 992 |
| 2021-02-04 08:00 | -24.3°S, 114.2°E | Tropical Depression | 15.4 | 990 |
| 2021-02-04 20:00 | -24.6°S, 113.4°E | Tropical Depression | 18 | 992 |
| 2021-02-05 08:00 | -25.0°S, 112.3°E | Tropical Depression | 15.4 | 994 |
| 2021-02-05 20:00 | -24.9°S, 112.6°E | Tropical Depression | 12.9 | 992 |
| 2021-02-06 08:00 | -26.4°S, 113.1°E | Tropical Depression | 15.4 | 992 |
| 2021-02-06 20:00 | -28.1°S, 113.8°E | Tropical Depression | 15.4 | 992 |
| 2021-02-07 08:00 | -30.3°S, 114.7°E | Category 1 Tropical Cyclone | 19.5 | 992 |
| 2021-02-07 20:00 | -32.6°S, 115.8°E | Category 1 Tropical Cyclone | 19.5 | 992 |
| 2021-02-08 08:00 | -35.5°S, 116.2°E | Category 1 Tropical Cyclone | 19.5 | 994 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021028S15128 / SH182021. There is no official Chinese name for this basin; displayed by its original English name. Intensity classification follows the local agency standards for the basin (converted from 1-minute sustained winds using WMO coefficients) for reference only. Data notes · Incorrect translation?
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