1964North Atlantic未命名Hurricane
● 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.
未命名 at 1964-07-23 08:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 1003 hPa, at 1964-07-28 02:00:00前后结束, total 记录 20 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1964-07-23 08:00 | 33.8°N, 81.0°W | Tropical Depression | 10.3 | - |
| 1964-07-23 14:00 | 34.3°N, 80.0°W | Tropical Depression | 10.3 | - |
| 1964-07-23 20:00 | 34.8°N, 78.8°W | Tropical Depression | 10.3 | - |
| 1964-07-24 02:00 | 35.5°N, 77.6°W | Tropical Depression | 10.3 | - |
| 1964-07-24 08:00 | 36.0°N, 76.5°W | Tropical Depression | 12.9 | - |
| 1964-07-24 14:00 | 36.2°N, 75.5°W | Tropical Depression | 12.9 | - |
| 1964-07-24 20:00 | 36.5°N, 75.0°W | Tropical Depression | 15.4 | - |
| 1964-07-25 02:00 | 36.5°N, 74.8°W | Tropical Storm | 18 | - |
| 1964-07-25 08:00 | 36.5°N, 74.3°W | Tropical Storm | 18 | 1008 |
| 1964-07-25 14:00 | 36.6°N, 73.3°W | Tropical Storm | 18 | 1007 |
| 1964-07-25 20:00 | 36.8°N, 72.0°W | Tropical Storm | 20.6 | 1005 |
| 1964-07-26 02:00 | 37.1°N, 70.5°W | Tropical Storm | 23.1 | 1003 |
| 1964-07-26 08:00 | 37.6°N, 69.0°W | Tropical Storm | 23.1 | - |
| 1964-07-26 14:00 | 38.5°N, 67.6°W | Tropical Storm | 25.7 | - |
| 1964-07-26 20:00 | 40.2°N, 66.3°W | Extratropical cyclone | 25.7 | - |
| 1964-07-27 02:00 | 42.0°N, 65.0°W | Extratropical cyclone | 25.7 | - |
| 1964-07-27 08:00 | 43.3°N, 63.7°W | Extratropical cyclone | 23.1 | - |
| 1964-07-27 14:00 | 44.3°N, 62.2°W | Extratropical cyclone | 23.1 | - |
| 1964-07-27 20:00 | 45.5°N, 60.5°W | Extratropical cyclone | 20.6 | - |
| 1964-07-28 02:00 | 47.0°N, 59.0°W | Extratropical cyclone | 18 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010). Code: 1964205N34279 / AL131964. No official Chinese name is available for this system, so the original English designation is used. Intensity is classified by the local agency for the relevant sea area, converted from 1-minute sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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