Hurricane Isbell
● 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.
Isbell at 1964-10-09 14:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 3 Hurricane, max wind 约 51.4 m/s (1 分钟平均) , minimum central pressure 964 hPa, at 1964-10-17 02:00:00前后结束, total 记录 31 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1964-10-09 14:00 | 15.5°N, 83.0°W | Tropical Depression | 15.4 | - |
| 1964-10-10 02:00 | 16.5°N, 84.2°W | Tropical Depression | 15.4 | - |
| 1964-10-10 14:00 | 17.6°N, 85.0°W | Tropical Depression | 15.4 | - |
| 1964-10-11 02:00 | 18.5°N, 85.2°W | Tropical Depression | 15.4 | 1008 |
| 1964-10-11 14:00 | 19.2°N, 85.4°W | Tropical Storm | 18 | - |
| 1964-10-12 02:00 | 19.4°N, 85.5°W | Tropical Depression | 15.4 | 1007 |
| 1964-10-12 14:00 | 19.2°N, 85.6°W | Tropical Depression | 15.4 | - |
| 1964-10-13 02:00 | 19.6°N, 85.2°W | Tropical Storm | 23.1 | - |
| 1964-10-13 14:00 | 20.5°N, 84.8°W | Tropical Storm | 30.9 | - |
| 1964-10-14 02:00 | 21.6°N, 84.5°W | Cat 2 Hurricane | 43.7 | - |
| 1964-10-14 14:00 | 23.2°N, 83.6°W | Cat 2 Hurricane | 46.3 | 972 |
| 1964-10-15 02:00 | 25.1°N, 82.0°W | Cat 2 Hurricane | 48.9 | 968 |
| 1964-10-15 14:00 | 28.0°N, 79.1°W | Cat 1 Hurricane | 41.2 | - |
| 1964-10-16 02:00 | 30.5°N, 76.6°W | Cat 1 Hurricane | 38.6 | 986 |
| 1964-10-16 14:00 | 33.4°N, 75.8°W | Cat 1 Hurricane | 38.6 | 991 |
| 1964-10-17 02:00 | 35.5°N, 77.7°W | Extratropical cyclone | 18 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010); code 1964283N15277 / AL111964. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the relevant sea area, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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