Hurricane Blanche
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
Blanche at 1975-07-24 08:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 36 m/s (1 分钟平均) , minimum central pressure 981 hPa, at 1975-07-29 20:00:00前后结束, total 记录 23 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1975-07-24 08:00 | 26.0°N, 68.4°W | Tropical Depression | 10.3 | 1014 |
| 1975-07-24 14:00 | 26.0°N, 69.5°W | Tropical Depression | 10.3 | 1014 |
| 1975-07-24 20:00 | 26.1°N, 70.5°W | Tropical Depression | 15.4 | 1012 |
| 1975-07-25 02:00 | 26.5°N, 71.5°W | Tropical Depression | 15.4 | 1012 |
| 1975-07-25 08:00 | 27.2°N, 72.5°W | Tropical Depression | 15.4 | 1012 |
| 1975-07-25 14:00 | 28.0°N, 73.6°W | Tropical Depression | 15.4 | 1010 |
| 1975-07-25 20:00 | 28.9°N, 74.3°W | Tropical Storm | 18 | 1006 |
| 1975-07-26 02:00 | 29.9°N, 74.9°W | Tropical Storm | 20.6 | 1006 |
| 1975-07-26 08:00 | 31.0°N, 75.0°W | Tropical Storm | 23.1 | 1004 |
| 1975-07-26 14:00 | 32.2°N, 74.6°W | Tropical Storm | 23.1 | 1004 |
| 1975-07-26 20:00 | 33.4°N, 73.5°W | Tropical Storm | 23.1 | 1004 |
| 1975-07-27 02:00 | 34.2°N, 72.2°W | Tropical Storm | 25.7 | 998 |
| 1975-07-27 08:00 | 35.0°N, 71.0°W | Tropical Storm | 30.9 | 992 |
| 1975-07-27 14:00 | 35.9°N, 69.9°W | Tropical Storm | 30.9 | 990 |
| 1975-07-27 20:00 | 36.8°N, 68.9°W | Cat 1 Hurricane | 33.4 | 986 |
| 1975-07-28 02:00 | 37.8°N, 68.0°W | Cat 1 Hurricane | 36 | 981 |
| 1975-07-28 08:00 | 39.3°N, 67.2°W | Cat 1 Hurricane | 36 | 981 |
| 1975-07-28 14:00 | 41.2°N, 66.4°W | Cat 1 Hurricane | 36 | 981 |
| 1975-07-28 20:00 | 44.0°N, 65.2°W | Cat 1 Hurricane | 33.4 | 986 |
| 1975-07-29 02:00 | 47.2°N, 63.7°W | Tropical Storm | 30.9 | 988 |
| 1975-07-29 08:00 | 50.2°N, 62.0°W | Extratropical cyclone | 25.7 | 994 |
| 1975-07-29 14:00 | 54.0°N, 59.8°W | Extratropical cyclone | 20.6 | 997 |
| 1975-07-29 20:00 | 55.8°N, 58.0°W | Extratropical cyclone | 20.6 | 998 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1975205N26292 / AL041975. This basin has no official Chinese name, so the original English name is used. Intensity categories follow the classifications of the local agency in the basin, converted from 1-minute sustained winds using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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