2011South 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 2011-04-11 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Severe Tropical Storm, max wind 约 27.8 m/s (1 分钟平均) , minimum central pressure 985 hPa, at 2011-04-17 02:00:00前后结束, total 记录 22 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2011-04-11 20:00 | -25.7°S, 47.7°E | Tropical Disturbance | 13.9 | 1007 |
| 2011-04-12 02:00 | -24.9°S, 48.0°E | Tropical Disturbance | 14.9 | 1006 |
| 2011-04-12 08:00 | -24.6°S, 48.8°E | Tropical Disturbance | 13.9 | 1005 |
| 2011-04-12 14:00 | -25.0°S, 49.6°E | Tropical Disturbance | 13.9 | 1005 |
| 2011-04-12 20:00 | -25.4°S, 49.7°E | Tropical Disturbance | 14.9 | 1002 |
| 2011-04-13 02:00 | -26.0°S, 49.5°E | Tropical Disturbance | 15.4 | 1002 |
| 2011-04-13 08:00 | -26.7°S, 49.2°E | Tropical Depression | 16.5 | 1001 |
| 2011-04-13 14:00 | -27.4°S, 48.9°E | Tropical Depression | 18 | 1000 |
| 2011-04-13 20:00 | -28.0°S, 48.6°E | Moderate Tropical Storm | 19.5 | 999 |
| 2011-04-14 02:00 | -28.4°S, 48.5°E | Moderate Tropical Storm | 19.5 | 999 |
| 2011-04-14 08:00 | -29.1°S, 48.2°E | Moderate Tropical Storm | 20.6 | 998 |
| 2011-04-14 14:00 | -29.8°S, 48.1°E | Moderate Tropical Storm | 21.1 | 998 |
| 2011-04-14 20:00 | -30.7°S, 47.8°E | Moderate Tropical Storm | 22.1 | 996 |
| 2011-04-15 02:00 | -31.5°S, 47.3°E | Moderate Tropical Storm | 24.7 | 992 |
| 2011-04-15 08:00 | -32.3°S, 47.1°E | Severe Tropical Storm | 27.8 | 988 |
| 2011-04-15 14:00 | -32.9°S, 47.2°E | Severe Tropical Storm | 27.8 | 986 |
| 2011-04-15 20:00 | -33.8°S, 47.6°E | Severe Tropical Storm | 27.8 | 985 |
| 2011-04-16 02:00 | -34.8°S, 48.2°E | Severe Tropical Storm | 26.8 | 987 |
| 2011-04-16 08:00 | -35.9°S, 48.8°E | Moderate Tropical Storm | 26.2 | 988 |
| 2011-04-16 14:00 | -37.2°S, 50.0°E | Extratropical cyclone | 24.7 | 990 |
| 2011-04-16 20:00 | -38.7°S, 51.5°E | Extratropical cyclone | 22.1 | 995 |
| 2011-04-17 02:00 | -40.7°S, 53.5°E | Extratropical cyclone | 22.1 | 996 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2011102S26048. This basin has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the basin (converted from 1-minute sustained wind using the WMO factor) and is for reference only. Data notes · Incorrect translation?
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