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 1974-10-04 08:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 1003 hPa, at 1974-10-09 08:00:00前后结束, total 记录 21 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1974-10-04 08:00 | 21.0°N, 75.2°W | Tropical Depression | 15.4 | 1009 |
| 1974-10-04 14:00 | 21.2°N, 75.3°W | Tropical Depression | 15.4 | - |
| 1974-10-04 20:00 | 21.3°N, 75.2°W | Tropical Depression | 15.4 | - |
| 1974-10-05 02:00 | 21.5°N, 75.2°W | Tropical Depression | 15.4 | - |
| 1974-10-05 08:00 | 21.6°N, 75.2°W | Tropical Storm | 18 | 1007 |
| 1974-10-05 14:00 | 21.8°N, 75.5°W | Tropical Storm | 20.6 | 1007 |
| 1974-10-05 20:00 | 22.2°N, 75.8°W | Tropical Storm | 23.1 | 1007 |
| 1974-10-06 02:00 | 22.9°N, 76.4°W | Tropical Storm | 25.7 | 1006 |
| 1974-10-06 08:00 | 23.6°N, 77.0°W | Tropical Storm | 28.3 | 1005 |
| 1974-10-06 14:00 | 24.3°N, 77.8°W | Tropical Storm | 28.3 | 1005 |
| 1974-10-06 20:00 | 25.0°N, 78.7°W | Tropical Storm | 28.3 | 1004 |
| 1974-10-07 02:00 | 25.8°N, 79.4°W | Tropical Storm | 28.3 | 1003 |
| 1974-10-07 08:00 | 26.8°N, 79.8°W | Tropical Storm | 25.7 | 1003 |
| 1974-10-07 14:00 | 28.1°N, 80.0°W | Tropical Storm | 25.7 | 1003 |
| 1974-10-07 20:00 | 29.4°N, 79.7°W | Tropical Storm | 25.7 | 1004 |
| 1974-10-08 02:00 | 30.8°N, 78.9°W | Tropical Storm | 25.7 | 1004 |
| 1974-10-08 08:00 | 32.2°N, 76.8°W | Tropical Storm | 23.1 | 1005 |
| 1974-10-08 14:00 | 33.1°N, 74.5°W | Tropical Storm | 18 | - |
| 1974-10-08 20:00 | 34.2°N, 71.2°W | Extratropical cyclone | 15.4 | - |
| 1974-10-09 02:00 | 35.5°N, 67.4°W | Extratropical cyclone | 15.4 | - |
| 1974-10-09 08:00 | 37.0°N, 63.0°W | Extratropical cyclone | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1974277N21285 / AL181974. No official Chinese name is available for this basin, so the original English name is shown. Intensity is classified by the local agency for the basin using WMO-adjusted 1-minute sustained winds, for reference only. Data notes · Incorrect translation?
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