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 1974-09-23 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Depression, max wind 约 15.4 m/s (1 分钟平均) , minimum central pressure 1003 hPa, at 1974-09-27 20:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1974-09-23 20:00 | 18.0°N, 83.5°W | Tropical Depression | 10.3 | 1009 |
| 1974-09-24 02:00 | 18.8°N, 84.2°W | Tropical Depression | 12.9 | 1008 |
| 1974-09-24 08:00 | 19.5°N, 84.9°W | Tropical Depression | 12.9 | 1008 |
| 1974-09-24 14:00 | 20.2°N, 85.6°W | Tropical Depression | 12.9 | 1008 |
| 1974-09-24 20:00 | 21.0°N, 86.3°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-25 02:00 | 21.6°N, 87.1°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-25 08:00 | 22.3°N, 87.9°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-25 14:00 | 22.9°N, 88.6°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-25 20:00 | 23.5°N, 89.3°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-26 02:00 | 24.2°N, 88.9°W | Tropical Depression | 10.3 | 1010 |
| 1974-09-26 08:00 | 25.0°N, 88.5°W | Tropical Depression | 12.9 | 1008 |
| 1974-09-26 14:00 | 25.7°N, 88.0°W | Tropical Depression | 15.4 | 1006 |
| 1974-09-26 20:00 | 26.5°N, 87.4°W | Tropical Depression | 15.4 | 1005 |
| 1974-09-27 02:00 | 27.1°N, 86.4°W | Tropical Depression | 15.4 | 1005 |
| 1974-09-27 08:00 | 27.8°N, 85.3°W | Tropical Depression | 15.4 | 1003 |
| 1974-09-27 14:00 | 28.4°N, 84.1°W | Tropical Depression | 15.4 | 1005 |
| 1974-09-27 20:00 | 29.0°N, 83.0°W | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1974267N18277 / AL161974. No official Chinese name is available for this system, so the original English name is used. Intensity is classified by the local agency for the relevant ocean basin, converted from 1-minute sustained wind using the WMO factor, and is for reference only. Data notes · Incorrect translation?
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