Unnamed 2011 South Indian Ocean 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 2011-12-02 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Depression, max wind 约 18 m/s (1 分钟平均) , minimum central pressure 996 hPa, at 2011-12-12 02:00:00前后结束, total 记录 38 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2011-12-02 20:00 | -12.5°S, 69.3°E | Tropical Disturbance | 10.3 | 1007 |
| 2011-12-03 08:00 | -12.1°S, 69.2°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-03 20:00 | -12.4°S, 69.5°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-04 08:00 | -13.7°S, 70.3°E | Tropical Disturbance | 15.4 | 1000 |
| 2011-12-04 20:00 | -14.6°S, 70.5°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-05 08:00 | -15.3°S, 70.4°E | Tropical Disturbance | 15.4 | 1000 |
| 2011-12-05 20:00 | -16.3°S, 70.0°E | Tropical Disturbance | 15.4 | 1000 |
| 2011-12-06 08:00 | -16.9°S, 69.5°E | Tropical Depression | 18 | 996 |
| 2011-12-06 20:00 | -16.9°S, 68.6°E | Tropical Depression | 18 | 996 |
| 2011-12-07 08:00 | -16.3°S, 68.0°E | Tropical Disturbance | 15.4 | 1000 |
| 2011-12-07 20:00 | -16.0°S, 67.4°E | Tropical Disturbance | 15.4 | 1000 |
| 2011-12-08 08:00 | -16.7°S, 66.7°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-08 20:00 | -16.2°S, 66.4°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-09 08:00 | -16.5°S, 66.1°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-09 20:00 | -16.5°S, 65.0°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-10 08:00 | -16.5°S, 63.5°E | Tropical Disturbance | 12.9 | 1004 |
| 2011-12-10 20:00 | -16.4°S, 62.2°E | Tropical Disturbance | 10.3 | 1007 |
| 2011-12-11 08:00 | -16.1°S, 61.2°E | Tropical Disturbance | 10.3 | 1007 |
| 2011-12-11 20:00 | -16.3°S, 59.8°E | Tropical Disturbance | 10.3 | 1007 |
| 2011-12-12 02:00 | -16.2°S, 58.6°E | Tropical Disturbance | 10.3 | 1007 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2011337S13069 / SH022012. There is no official Chinese translated name for this system, so the original English name is displayed. Intensity is classified according to the local agency in the relevant sea area (converted from 1-minute sustained wind using the WMO factor), for reference only. Data notes · Incorrect translation?
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