Unnamed North Atlantic Hurricane of 1974
● 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 1974-10-16 08:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 1012 hPa, at 1974-10-21 08:00:00前后结束, total 记录 21 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1974-10-16 08:00 | 39.5°N, 30.0°W | Extratropical cyclone | 18 | - |
| 1974-10-16 14:00 | 39.8°N, 29.0°W | Extratropical cyclone | 18 | - |
| 1974-10-16 20:00 | 39.5°N, 28.5°W | Extratropical cyclone | 18 | - |
| 1974-10-17 02:00 | 39.0°N, 29.2°W | Extratropical cyclone | 18 | - |
| 1974-10-17 08:00 | 38.0°N, 30.5°W | Extratropical cyclone | 18 | - |
| 1974-10-17 14:00 | 37.0°N, 32.0°W | Extratropical cyclone | 18 | - |
| 1974-10-17 20:00 | 36.0°N, 33.0°W | Extratropical cyclone | 18 | - |
| 1974-10-18 02:00 | 35.5°N, 34.5°W | Extratropical cyclone | 15.4 | - |
| 1974-10-18 08:00 | 35.2°N, 36.0°W | Extratropical cyclone | 15.4 | - |
| 1974-10-18 14:00 | 35.0°N, 38.0°W | Extratropical cyclone | 15.4 | - |
| 1974-10-18 20:00 | 35.1°N, 40.0°W | Tropical Depression | 15.4 | 1013 |
| 1974-10-19 02:00 | 35.2°N, 41.6°W | Tropical Depression | 15.4 | 1012 |
| 1974-10-19 08:00 | 35.5°N, 43.0°W | Tropical Storm | 18 | - |
| 1974-10-19 14:00 | 35.9°N, 43.5°W | Tropical Storm | 20.6 | - |
| 1974-10-19 20:00 | 36.3°N, 43.5°W | Tropical Storm | 23.1 | - |
| 1974-10-20 02:00 | 36.8°N, 43.0°W | Tropical Storm | 23.1 | - |
| 1974-10-20 08:00 | 37.5°N, 42.5°W | Tropical Storm | 23.1 | - |
| 1974-10-20 14:00 | 38.8°N, 42.0°W | Tropical Storm | 23.1 | - |
| 1974-10-20 20:00 | 40.0°N, 41.5°W | Tropical Storm | 25.7 | - |
| 1974-10-21 02:00 | 40.9°N, 40.5°W | Tropical Storm | 25.7 | - |
| 1974-10-21 08:00 | 41.4°N, 38.5°W | Tropical Storm | 20.6 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1974289N40330 / AL211974. This system has no official Chinese translated name, so its original English name is shown. Intensity grades are assigned by the local agency for the basin, converted from 1-minute sustained winds using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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