Unnamed 1975 North Atlantic Hurricane
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
未命名 at 1975-12-06 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 30.9 m/s (1 分钟平均) , minimum central pressure 985 hPa, at 1975-12-13 20:00:00前后结束, total 记录 32 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1975-12-06 02:00 | 38.0°N, 49.7°W | Extratropical cyclone | 20.6 | 1008 |
| 1975-12-06 14:00 | 37.5°N, 49.4°W | Extratropical cyclone | 28.3 | 996 |
| 1975-12-07 02:00 | 38.4°N, 50.0°W | Extratropical cyclone | 25.7 | 997 |
| 1975-12-07 14:00 | 39.0°N, 51.5°W | Extratropical cyclone | 25.7 | 997 |
| 1975-12-08 02:00 | 38.7°N, 51.2°W | Extratropical cyclone | 25.7 | 997 |
| 1975-12-08 14:00 | 38.5°N, 48.9°W | Extratropical cyclone | 25.7 | 997 |
| 1975-12-09 02:00 | 39.1°N, 47.0°W | Extratropical cyclone | 23.1 | 997 |
| 1975-12-09 14:00 | 40.5°N, 44.7°W | Extratropical cyclone | 23.1 | 995 |
| 1975-12-10 02:00 | 40.9°N, 43.3°W | Tropical Storm | 23.1 | 995 |
| 1975-12-10 14:00 | 39.6°N, 43.3°W | Tropical Storm | 28.3 | - |
| 1975-12-11 02:00 | 36.9°N, 43.7°W | Tropical Storm | 30.9 | - |
| 1975-12-11 14:00 | 32.8°N, 43.7°W | Tropical Storm | 28.3 | - |
| 1975-12-12 02:00 | 28.7°N, 41.9°W | Tropical Storm | 25.7 | 985 |
| 1975-12-12 14:00 | 27.0°N, 38.2°W | Tropical Storm | 20.6 | 998 |
| 1975-12-13 02:00 | 27.5°N, 35.0°W | Tropical Depression | 15.4 | 1002 |
| 1975-12-13 14:00 | 30.2°N, 34.4°W | Tropical Depression | 15.4 | 1007 |
| 1975-12-13 20:00 | 32.5°N, 34.5°W | Tropical Depression | 12.9 | 1008 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010); code 1975340N38310 / AL231975. There is no official Chinese translation name for this system, so the original English name is used. Intensity is classified by the relevant local agency for the basin, based on 1-min sustained wind converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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