2020South 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 2020-12-04 14:00:00 (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 990 hPa, at 2020-12-12 08:00:00前后结束, total 记录 32 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2020-12-04 14:00 | -8.5°S, 105.7°E | Tropical Depression | 11.3 | 1002 |
| 2020-12-05 02:00 | -8.6°S, 105.9°E | Tropical Cyclone | - | - |
| 2020-12-05 14:00 | -8.7°S, 106.1°E | Tropical Cyclone | - | - |
| 2020-12-06 02:00 | -8.8°S, 106.2°E | Tropical Depression | 12.9 | 1002 |
| 2020-12-06 14:00 | -9.0°S, 107.1°E | Tropical Depression | 15.4 | 1000 |
| 2020-12-07 02:00 | -10.0°S, 108.2°E | Tropical Depression | 15.4 | 1002 |
| 2020-12-07 14:00 | -10.5°S, 108.2°E | Tropical Depression | 15.4 | 1000 |
| 2020-12-08 02:00 | -11.0°S, 108.0°E | Tropical Depression | 15.4 | 1000 |
| 2020-12-08 14:00 | -11.3°S, 107.6°E | Tropical Depression | 18 | 997 |
| 2020-12-09 02:00 | -10.9°S, 108.6°E | Category 1 Tropical Cyclone | 23.1 | 991 |
| 2020-12-09 14:00 | -11.6°S, 109.9°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 2020-12-10 02:00 | -13.3°S, 111.0°E | Tropical Depression | 18 | 995 |
| 2020-12-10 14:00 | -14.8°S, 112.4°E | Tropical Depression | 18 | 998 |
| 2020-12-11 02:00 | -17.5°S, 115.6°E | Category 1 Tropical Cyclone | 23.1 | 995 |
| 2020-12-11 14:00 | -21.2°S, 119.1°E | Tropical Depression | 18 | 998 |
| 2020-12-12 02:00 | -24.3°S, 123.0°E | Tropical Depression | 12.9 | 1001 |
| 2020-12-12 08:00 | -25.9°S, 124.6°E | Tropical Depression | 10.3 | 1001 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2020339S09106 / SH032021. No official Chinese name is available for this system, so the original English name is used. Intensity categories follow the classifications of the local agency in the relevant sea area, converted from 1-minute sustained wind using WMO factors, for reference only. Data notes · Incorrect translation?
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