1957 South Pacific Unnamed 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 1957-11-07 14:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Tropical Depression, max wind 约 15.4 m/s (1 分钟平均) , at 1957-11-19 14:00:00前后结束, total 记录 49 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1957-11-07 14:00 | -5.5°S, 179.6°W | Tropical Depression | 7.7 | - |
| 1957-11-08 08:00 | -3.8°S, 177.4°E | Tropical Depression | 2.6 | - |
| 1957-11-09 02:00 | -3.6°S, 175.6°E | Tropical Depression | 5.1 | - |
| 1957-11-09 20:00 | -4.3°S, 175.5°E | Tropical Depression | 7.7 | - |
| 1957-11-10 14:00 | -5.0°S, 177.0°E | Tropical Depression | 12.9 | - |
| 1957-11-11 08:00 | -7.1°S, 174.9°E | Tropical Depression | 10.3 | - |
| 1957-11-12 02:00 | -8.0°S, 173.0°E | Tropical Depression | 10.3 | - |
| 1957-11-12 20:00 | -8.8°S, 171.3°E | Tropical Depression | 10.3 | - |
| 1957-11-13 14:00 | -10.0°S, 169.0°E | Tropical Depression | 12.9 | - |
| 1957-11-14 08:00 | -12.8°S, 170.8°E | Tropical Depression | 12.9 | - |
| 1957-11-15 02:00 | -14.3°S, 173.2°E | Tropical Depression | 12.9 | - |
| 1957-11-15 20:00 | -14.7°S, 176.0°E | Tropical Depression | 15.4 | - |
| 1957-11-16 14:00 | -15.0°S, 179.0°E | Tropical Depression | 12.9 | - |
| 1957-11-17 08:00 | -13.5°S, 179.3°E | Tropical Depression | 15.4 | - |
| 1957-11-18 02:00 | -11.6°S, 179.3°E | Tropical Depression | 15.4 | - |
| 1957-11-18 20:00 | -10.7°S, 178.5°W | Tropical Depression | 12.9 | - |
| 1957-11-19 14:00 | -7.5°S, 178.0°W | Tropical Depression | 10.3 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1957311S06180 / SH011958. There is no official Chinese name for this system, so the original English name is shown. Intensity categories follow the classifications of the local meteorological agency for the region, converted from 1-min sustained wind using WMO factors, for reference only. Data notes · Incorrect translation?
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