Hurricane Ethel
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
Ethel at 1964-09-04 14:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 2 Hurricane, max wind 约 46.3 m/s (1 分钟平均) , minimum central pressure 969 hPa, at 1964-09-17 20:00:00前后结束, total 记录 54 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1964-09-04 14:00 | 17.7°N, 35.6°W | Tropical Depression | 12.9 | - |
| 1964-09-05 08:00 | 18.8°N, 39.9°W | Tropical Storm | 18 | - |
| 1964-09-06 02:00 | 19.9°N, 44.7°W | Tropical Storm | 18 | 1005 |
| 1964-09-06 20:00 | 22.0°N, 50.3°W | Tropical Storm | 18 | 1008 |
| 1964-09-07 14:00 | 25.0°N, 55.2°W | Tropical Storm | 23.1 | - |
| 1964-09-08 08:00 | 26.9°N, 58.8°W | Tropical Storm | 25.7 | - |
| 1964-09-09 02:00 | 27.5°N, 60.6°W | Cat 1 Hurricane | 33.4 | 986 |
| 1964-09-09 20:00 | 27.7°N, 62.2°W | Cat 1 Hurricane | 33.4 | 984 |
| 1964-09-10 14:00 | 27.4°N, 64.8°W | Cat 1 Hurricane | 36 | - |
| 1964-09-11 08:00 | 27.5°N, 66.0°W | Cat 1 Hurricane | 38.6 | - |
| 1964-09-12 02:00 | 28.8°N, 66.7°W | Cat 1 Hurricane | 38.6 | 977 |
| 1964-09-12 20:00 | 31.1°N, 67.3°W | Cat 1 Hurricane | 41.2 | 974 |
| 1964-09-13 14:00 | 34.1°N, 64.9°W | Cat 2 Hurricane | 43.7 | - |
| 1964-09-14 08:00 | 38.4°N, 59.4°W | Cat 2 Hurricane | 46.3 | - |
| 1964-09-15 02:00 | 42.9°N, 51.9°W | Extratropical cyclone | 43.7 | 969 |
| 1964-09-15 20:00 | 45.0°N, 42.2°W | Extratropical cyclone | 30.9 | - |
| 1964-09-16 14:00 | 44.0°N, 31.5°W | Extratropical cyclone | 25.7 | - |
| 1964-09-17 08:00 | 41.5°N, 26.5°W | Extratropical cyclone | 18 | - |
| 1964-09-17 20:00 | 39.5°N, 25.0°W | Extratropical cyclone | 15.4 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1964248N18324 / AL071964. There is no official Chinese name for this storm, so the original English name is used. Intensity is categorized by the local agency for the basin, based on 1-min sustained wind converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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