Hurricane Hilda
● 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.
希尔达 (Hilda) at 1964-09-28 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 4 Hurricane, max wind 约 61.7 m/s (1 分钟平均) , minimum central pressure 941 hPa, at 1964-10-07 20:00:00前后结束, total 记录 37 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1964-09-28 20:00 | 21.2°N, 80.0°W | Tropical Depression | 12.9 | - |
| 1964-09-29 08:00 | 21.4°N, 82.1°W | Tropical Depression | 15.4 | - |
| 1964-09-29 20:00 | 22.0°N, 84.2°W | Tropical Storm | 18 | - |
| 1964-09-30 08:00 | 22.8°N, 86.2°W | Tropical Storm | 28.3 | 997 |
| 1964-09-30 20:00 | 23.4°N, 88.2°W | Cat 1 Hurricane | 36 | 984 |
| 1964-10-01 08:00 | 24.1°N, 89.5°W | Cat 2 Hurricane | 43.7 | 977 |
| 1964-10-01 20:00 | 24.5°N, 90.6°W | Cat 3 Hurricane | 56.6 | 951 |
| 1964-10-02 08:00 | 25.3°N, 91.5°W | Cat 4 Hurricane | 61.7 | 942 |
| 1964-10-02 20:00 | 26.3°N, 91.7°W | Cat 3 Hurricane | 54 | 956 |
| 1964-10-03 08:00 | 27.2°N, 91.2°W | Cat 3 Hurricane | 51.4 | 960 |
| 1964-10-03 20:00 | 28.1°N, 91.3°W | Cat 2 Hurricane | 48.9 | 962 |
| 1964-10-04 08:00 | 29.7°N, 91.5°W | Cat 2 Hurricane | 46.3 | 959 |
| 1964-10-04 20:00 | 30.6°N, 90.6°W | Tropical Storm | 30.9 | - |
| 1964-10-05 08:00 | 30.5°N, 87.6°W | Extratropical cyclone | 25.7 | - |
| 1964-10-05 20:00 | 30.8°N, 84.4°W | Extratropical cyclone | 23.1 | - |
| 1964-10-06 08:00 | 31.0°N, 80.6°W | Extratropical cyclone | 23.1 | - |
| 1964-10-06 20:00 | 30.6°N, 78.0°W | Extratropical cyclone | 23.1 | - |
| 1964-10-07 08:00 | 30.4°N, 76.5°W | Extratropical cyclone | 25.7 | - |
| 1964-10-07 20:00 | 29.8°N, 76.1°W | Extratropical cyclone | 28.3 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1964273N21280 / AL101964. Chinese name source: Wikidata Q5947766. Intensity grades follow the classifications of local agencies in the region, converted from 1-minute sustained winds using the WMO factors, and are for reference only. Data notes · Incorrect translation?
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