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 2011-02-09 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 2011-02-13 20:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2011-02-09 20:00 | -17.1°S, 113.2°E | Tropical Depression | 10.3 | 1007 |
| 2011-02-10 02:00 | -17.4°S, 112.5°E | Tropical Depression | 12.9 | 1004 |
| 2011-02-10 08:00 | -17.7°S, 111.8°E | Tropical Depression | 12.9 | 996 |
| 2011-02-10 14:00 | -18.3°S, 110.6°E | Tropical Depression | 12.9 | 998 |
| 2011-02-10 20:00 | -18.8°S, 109.3°E | Tropical Depression | 12.9 | 998 |
| 2011-02-11 02:00 | -19.2°S, 108.0°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-11 08:00 | -19.6°S, 106.7°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-11 14:00 | -20.0°S, 105.0°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-11 20:00 | -20.5°S, 103.4°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-12 02:00 | -20.7°S, 101.7°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-12 08:00 | -20.9°S, 100.3°E | Tropical Depression | 18 | 996 |
| 2011-02-12 14:00 | -21.1°S, 99.2°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-12 20:00 | -21.2°S, 98.1°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-13 02:00 | -21.3°S, 97.2°E | Tropical Depression | 15.4 | 1000 |
| 2011-02-13 08:00 | -21.9°S, 96.3°E | Tropical Depression | 12.9 | 1004 |
| 2011-02-13 14:00 | -22.0°S, 95.3°E | Tropical Depression | 12.9 | 1004 |
| 2011-02-13 20:00 | -22.1°S, 94.6°E | Tropical Depression | 10.3 | 1007 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2011041S17113 / SH142011. This basin has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the region (converted from 1-min sustained wind using the WMO factor), for reference only. Data notes · Incorrect translation?
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