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 1957-01-16 02:00:00 (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 1957-01-22 08:00:00前后结束, total 记录 26 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1957-01-16 02:00 | -10.5°S, 127.2°E | Tropical Depression | 7.7 | - |
| 1957-01-16 14:00 | -10.7°S, 127.1°E | Tropical Depression | 10.3 | - |
| 1957-01-17 02:00 | -11.3°S, 126.7°E | Tropical Depression | 10.3 | - |
| 1957-01-17 14:00 | -12.2°S, 125.4°E | Tropical Depression | 12.9 | - |
| 1957-01-18 02:00 | -13.7°S, 122.3°E | Tropical Depression | 10.3 | - |
| 1957-01-18 14:00 | -14.4°S, 120.5°E | Tropical Depression | 7.7 | - |
| 1957-01-19 02:00 | -14.7°S, 120.7°E | Tropical Depression | 10.3 | - |
| 1957-01-19 14:00 | -15.1°S, 120.4°E | Tropical Depression | 12.9 | - |
| 1957-01-20 02:00 | -15.6°S, 119.2°E | Tropical Depression | 7.7 | - |
| 1957-01-20 14:00 | -16.1°S, 117.2°E | Tropical Depression | 10.3 | - |
| 1957-01-21 02:00 | -16.2°S, 114.9°E | Tropical Cyclone | - | - |
| 1957-01-21 14:00 | -16.5°S, 113.1°E | Tropical Cyclone | - | - |
| 1957-01-22 02:00 | -17.8°S, 111.2°E | Tropical Cyclone | - | - |
| 1957-01-22 08:00 | -18.2°S, 110.2°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010); code 1957016S11127 / SH141957. There is no official Chinese translated name for this system, so the original English name is used. Intensity grades follow the local agency classification for the region, converted from 1-minute sustained winds using WMO scaling factors, and are provided for reference only. Data notes · Incorrect translation?
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