1870North Atlantic未命名Hurricane
● Data reliability: Inferred dataNo satellites or aircraft were available that year, so the record was reconstructed afterward from ships and coastal weather stations. Intensity estimates are approximate for storms before 1950.
未命名 at 1870-08-29 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 3 Hurricane, max wind 约 56.6 m/s (1 分钟平均) , minimum central pressure 948 hPa, at 1870-09-14 02:00:00前后结束, total 记录 62 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1870-08-29 20:00 | 13.0°N, 21.7°W | Tropical Cyclone | - | - |
| 1870-08-30 14:00 | 13.8°N, 25.3°W | Tropical Cyclone | - | - |
| 1870-08-31 08:00 | 14.5°N, 28.9°W | Tropical Cyclone | - | - |
| 1870-09-01 02:00 | 15.3°N, 32.5°W | Tropical Cyclone | - | - |
| 1870-09-01 20:00 | 16.0°N, 35.9°W | Tropical Storm | 30.9 | - |
| 1870-09-02 14:00 | 16.9°N, 38.1°W | Tropical Storm | 30.9 | - |
| 1870-09-03 08:00 | 17.7°N, 42.0°W | Tropical Storm | 25.7 | - |
| 1870-09-04 02:00 | 18.5°N, 46.9°W | Tropical Storm | 25.7 | - |
| 1870-09-04 20:00 | 19.8°N, 51.6°W | Tropical Storm | 20.6 | 1004 |
| 1870-09-05 14:00 | 22.7°N, 52.7°W | Tropical Cyclone | - | - |
| 1870-09-06 08:00 | 24.0°N, 55.6°W | Tropical Cyclone | - | - |
| 1870-09-07 02:00 | 24.2°N, 58.3°W | Tropical Cyclone | - | - |
| 1870-09-07 20:00 | 24.8°N, 61.0°W | Tropical Cyclone | - | - |
| 1870-09-08 14:00 | 25.8°N, 62.8°W | Tropical Cyclone | - | - |
| 1870-09-09 08:00 | 26.1°N, 64.9°W | Cat 1 Hurricane | 36 | - |
| 1870-09-10 02:00 | 27.4°N, 65.8°W | Cat 1 Hurricane | 41.2 | - |
| 1870-09-10 20:00 | 31.9°N, 65.6°W | Cat 3 Hurricane | 51.4 | - |
| 1870-09-11 14:00 | 35.9°N, 61.9°W | Cat 3 Hurricane | 56.6 | - |
| 1870-09-12 08:00 | 37.6°N, 56.2°W | Cat 3 Hurricane | 51.4 | 948 |
| 1870-09-13 02:00 | 41.5°N, 50.0°W | Cat 2 Hurricane | 46.3 | - |
| 1870-09-13 20:00 | 47.2°N, 42.6°W | Cat 1 Hurricane | 36 | - |
| 1870-09-14 02:00 | 48.2°N, 39.7°W | Extratropical cyclone | 36 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010); code 1870242N13338 / AL031870. This system has no official Chinese name, so the original English designation is used. Intensity is classified by the relevant local agency in the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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