1971North Atlantic未命名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 1971-08-03 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 38.6 m/s (1 分钟平均) , minimum central pressure 998 hPa, at 1971-08-12 02:00:00前后结束, total 记录 34 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1971-08-03 20:00 | 31.0°N, 63.5°W | Tropical Depression | 12.9 | - |
| 1971-08-04 08:00 | 32.0°N, 64.5°W | Tropical Depression | 15.4 | 1015 |
| 1971-08-04 20:00 | 33.5°N, 65.0°W | Tropical Depression | 15.4 | 1015 |
| 1971-08-05 08:00 | 36.0°N, 63.5°W | Tropical Depression | 15.4 | 1013 |
| 1971-08-05 20:00 | 39.3°N, 60.3°W | Tropical Storm | 20.6 | - |
| 1971-08-06 08:00 | 41.6°N, 56.0°W | Tropical Storm | 30.9 | - |
| 1971-08-06 20:00 | 46.4°N, 49.2°W | Cat 1 Hurricane | 38.6 | - |
| 1971-08-07 08:00 | 53.5°N, 44.8°W | Cat 1 Hurricane | 36 | - |
| 1971-08-07 20:00 | 58.2°N, 42.1°W | Cat 1 Hurricane | 36 | - |
| 1971-08-08 08:00 | 60.8°N, 36.0°W | Extratropical cyclone | 33.4 | - |
| 1971-08-08 20:00 | 63.2°N, 26.0°W | Extratropical cyclone | 28.3 | - |
| 1971-08-09 08:00 | 66.0°N, 16.0°W | Extratropical cyclone | 25.7 | - |
| 1971-08-09 20:00 | 67.8°N, 8.0°W | Extratropical cyclone | 23.1 | - |
| 1971-08-10 08:00 | 67.8°N, 0.0°E | Extratropical cyclone | 20.6 | - |
| 1971-08-10 20:00 | 67.0°N, 8.0°E | Extratropical cyclone | 18 | - |
| 1971-08-11 08:00 | 66.6°N, 11.0°E | Extratropical cyclone | 15.4 | - |
| 1971-08-11 20:00 | 67.0°N, 6.0°E | Extratropical cyclone | 15.4 | - |
| 1971-08-12 02:00 | 67.2°N, 2.0°E | Extratropical cyclone | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1971216N31297 / AL041971. This system has no official Chinese name and is displayed under its original English designation. Intensity is classified by the local agency for the basin, using the WMO conversion based on 1-minute sustained wind, for reference only. Data notes · Incorrect translation?
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