Unnamed Tropical Cyclone of 2013 in the South Indian Ocean
● 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 2013-02-20 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , minimum central pressure 990 hPa, at 2013-02-28 14:00:00前后结束, total 记录 34 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2013-02-20 08:00 | -11.9°S, 101.8°E | Tropical Depression | 13.9 | 1001 |
| 2013-02-20 20:00 | -12.5°S, 103.5°E | Tropical Depression | 13.9 | 1000 |
| 2013-02-21 08:00 | -13.0°S, 104.0°E | Tropical Depression | 11.3 | 1000 |
| 2013-02-21 20:00 | -13.9°S, 102.7°E | Tropical Depression | 13.9 | 1000 |
| 2013-02-22 08:00 | -14.0°S, 101.6°E | Tropical Depression | 13.9 | 1000 |
| 2013-02-22 20:00 | -14.0°S, 100.5°E | Tropical Depression | 13.9 | 1000 |
| 2013-02-23 08:00 | -13.0°S, 99.6°E | Tropical Depression | 10.3 | 1000 |
| 2013-02-23 20:00 | -12.3°S, 98.4°E | Tropical Depression | 12.9 | 998 |
| 2013-02-24 08:00 | -11.8°S, 98.6°E | Tropical Depression | 12.9 | 996 |
| 2013-02-24 20:00 | -12.7°S, 98.1°E | Tropical Depression | 18 | 991 |
| 2013-02-25 08:00 | -13.5°S, 98.3°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 2013-02-25 20:00 | -14.3°S, 98.4°E | Tropical Depression | 18 | 994 |
| 2013-02-26 08:00 | -14.8°S, 98.0°E | Tropical Depression | 18 | 996 |
| 2013-02-26 20:00 | -15.4°S, 98.0°E | Tropical Depression | 15.4 | 998 |
| 2013-02-27 08:00 | -15.4°S, 98.3°E | Tropical Depression | 15.4 | 998 |
| 2013-02-27 20:00 | -15.3°S, 98.8°E | Tropical Depression | 12.9 | 1000 |
| 2013-02-28 08:00 | -14.5°S, 99.7°E | Tropical Depression | 13.9 | 1000 |
| 2013-02-28 14:00 | -14.4°S, 100.4°E | Tropical Depression | 11.3 | 1002 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2013051S12102 / SH182013. There is no official Chinese translation for this system, so the original English name is used. Intensity categories follow the local classification agency for the basin, converted from 1-minute sustained wind using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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