1957South Indian Ocean未命名Tropical Cyclone
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
未命名 at 1957-03-02 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Depression, max wind 约 12.9 m/s (1 分钟平均) , at 1957-03-11 02:00:00前后结束, total 记录 36 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1957-03-02 08:00 | -11.0°S, 134.0°E | Tropical Cyclone | - | - |
| 1957-03-02 20:00 | -11.2°S, 133.6°E | Tropical Cyclone | - | - |
| 1957-03-03 08:00 | -11.5°S, 133.5°E | Tropical Cyclone | - | - |
| 1957-03-03 20:00 | -11.8°S, 133.6°E | Tropical Cyclone | - | - |
| 1957-03-04 08:00 | -12.2°S, 133.0°E | Tropical Depression | 10.3 | - |
| 1957-03-04 20:00 | -12.7°S, 130.5°E | Tropical Depression | 10.3 | - |
| 1957-03-05 08:00 | -12.6°S, 128.9°E | Tropical Depression | 7.7 | - |
| 1957-03-05 20:00 | -12.9°S, 129.1°E | Tropical Depression | 10.3 | - |
| 1957-03-06 08:00 | -13.7°S, 129.7°E | Tropical Depression | 10.3 | - |
| 1957-03-06 20:00 | -14.0°S, 130.3°E | Tropical Depression | 10.3 | - |
| 1957-03-07 08:00 | -14.3°S, 131.2°E | Tropical Depression | 10.3 | - |
| 1957-03-07 20:00 | -15.7°S, 132.2°E | Tropical Depression | 10.3 | - |
| 1957-03-08 08:00 | -17.0°S, 132.7°E | Tropical Depression | 7.7 | - |
| 1957-03-08 20:00 | -17.8°S, 133.7°E | Tropical Depression | 5.1 | - |
| 1957-03-09 08:00 | -18.4°S, 134.8°E | Tropical Depression | 5.1 | - |
| 1957-03-09 20:00 | -18.3°S, 136.2°E | Tropical Depression | 10.3 | - |
| 1957-03-10 08:00 | -17.8°S, 137.9°E | Tropical Depression | 10.3 | - |
| 1957-03-10 20:00 | -17.9°S, 139.4°E | Tropical Cyclone | - | - |
| 1957-03-11 02:00 | -17.7°S, 140.3°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1957061S11134 / SH241957. There is no official Chinese name for this system, so the original English name is used. Intensity is classified by the local agency in the relevant basin, based on 1-minute sustained winds converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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