1958South Pacific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 1958-01-01 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为3级Tropical Cyclone , max wind 约 38.6 m/s (1 分钟平均) , at 1958-01-08 20:00:00前后结束, total 记录 31 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1958-01-01 08:00 | -8.3°S, 176.5°E | Tropical Depression | 5.1 | - |
| 1958-01-01 20:00 | -8.8°S, 178.0°E | Tropical Depression | 12.9 | - |
| 1958-01-02 08:00 | -9.4°S, 179.3°E | Tropical Depression | 15.4 | - |
| 1958-01-02 20:00 | -10.1°S, 179.0°W | Tropical Depression | 12.9 | - |
| 1958-01-03 08:00 | -10.6°S, 178.0°W | Tropical Depression | 12.9 | - |
| 1958-01-03 20:00 | -11.2°S, 177.6°W | Tropical Depression | 15.4 | - |
| 1958-01-04 08:00 | -11.5°S, 177.5°W | Tropical Depression | 15.4 | - |
| 1958-01-04 20:00 | -12.1°S, 177.6°W | Tropical Depression | 15.4 | - |
| 1958-01-05 08:00 | -12.6°S, 177.8°W | Tropical Depression | 12.9 | - |
| 1958-01-05 20:00 | -13.0°S, 178.0°W | Tropical Depression | 12.9 | - |
| 1958-01-06 08:00 | -14.0°S, 178.7°W | Tropical Depression | 12.9 | - |
| 1958-01-06 20:00 | -16.0°S, 179.3°W | Category 1 Tropical Cyclone | 23.1 | - |
| 1958-01-07 08:00 | -17.4°S, 179.5°W | Category 2 Tropical Cyclone | 30.9 | - |
| 1958-01-07 20:00 | -20.9°S, 179.9°W | Category 1 Tropical Cyclone | 23.1 | - |
| 1958-01-08 08:00 | -24.0°S, 178.0°W | Tropical Depression | 12.9 | - |
| 1958-01-08 20:00 | -27.5°S, 175.3°W | Tropical Depression | 7.7 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1958001S08177 / SH051958. This system has no official Chinese name, so the original English designation is used. Intensity is classified by the relevant local agency in the region, converted from 1-minute sustained winds using the WMO factor, and is provided for reference only. Data notes · Incorrect translation?
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