Unnamed Central Pacific Hurricane of 1957
● 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 1957-08-06 08:00:00 (BeijingTime) 在Central Pacific首次被记录, peak intensity 为Cat 2 Hurricane, max wind 约 46.3 m/s (1 分钟平均) , minimum central pressure 987 hPa, at 1957-08-16 08:00:00前后结束, total 记录 41 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1957-08-06 08:00 | 18.4°N, 125.7°W | Tropical Storm | 25.7 | - |
| 1957-08-06 20:00 | 18.6°N, 128.9°W | Tropical Storm | 23.1 | - |
| 1957-08-07 08:00 | 19.2°N, 131.1°W | Tropical Storm | 23.1 | - |
| 1957-08-07 20:00 | 19.7°N, 133.5°W | Tropical Storm | 23.1 | - |
| 1957-08-08 08:00 | 21.1°N, 136.3°W | Tropical Storm | 30.9 | 994 |
| 1957-08-08 20:00 | 22.1°N, 138.9°W | Tropical Storm | 25.7 | - |
| 1957-08-09 08:00 | 22.8°N, 141.1°W | Tropical Storm | 25.7 | - |
| 1957-08-09 20:00 | 25.0°N, 145.0°W | Tropical Storm | 25.7 | - |
| 1957-08-10 08:00 | 28.0°N, 148.0°W | Tropical Storm | 23.1 | 1004 |
| 1957-08-10 20:00 | 30.2°N, 150.9°W | Tropical Storm | 30.9 | - |
| 1957-08-11 08:00 | 31.0°N, 153.0°W | Cat 1 Hurricane | 38.6 | - |
| 1957-08-11 20:00 | 32.3°N, 155.0°W | Cat 1 Hurricane | 33.4 | - |
| 1957-08-12 08:00 | 33.2°N, 156.3°W | Tropical Storm | 30.9 | - |
| 1957-08-12 20:00 | 34.1°N, 160.0°W | Tropical Storm | 30.9 | - |
| 1957-08-13 08:00 | 34.8°N, 162.7°W | Tropical Storm | 28.3 | 987 |
| 1957-08-13 20:00 | 35.3°N, 165.0°W | Cat 1 Hurricane | 38.6 | - |
| 1957-08-14 08:00 | 35.7°N, 166.8°W | Cat 2 Hurricane | 46.3 | - |
| 1957-08-14 20:00 | 37.1°N, 170.0°W | Cat 1 Hurricane | 36 | - |
| 1957-08-15 08:00 | 38.3°N, 170.6°W | Tropical Storm | 30.9 | - |
| 1957-08-15 20:00 | 39.5°N, 170.1°W | Tropical Storm | 23.1 | - |
| 1957-08-16 08:00 | 39.8°N, 169.8°W | Tropical Storm | 23.1 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1957218N18234 / EP021957. This basin has no official Chinese translated name, so the original English name is used. Intensity categories follow the local agency classification for the basin, converted from 1-minute sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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