Hurricane Dorothy
● 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).
Dorothy at 1977-09-27 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 38.6 m/s (1 分钟平均) , minimum central pressure 980 hPa, at 1977-09-30 14:00:00前后结束, total 记录 15 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-09-27 02:00 | 28.5°N, 71.5°W | Tropical Depression | 10.3 | 1010 |
| 1977-09-27 08:00 | 29.5°N, 69.8°W | Tropical Depression | 10.3 | 1009 |
| 1977-09-27 14:00 | 30.2°N, 67.9°W | Tropical Depression | 15.4 | 1005 |
| 1977-09-27 20:00 | 30.9°N, 65.8°W | Tropical Storm | 20.6 | 1002 |
| 1977-09-28 02:00 | 31.9°N, 63.6°W | Tropical Storm | 23.1 | 1000 |
| 1977-09-28 08:00 | 33.2°N, 61.8°W | Tropical Storm | 25.7 | 996 |
| 1977-09-28 14:00 | 34.4°N, 60.8°W | Tropical Storm | 30.9 | 992 |
| 1977-09-28 20:00 | 35.5°N, 59.7°W | Cat 1 Hurricane | 33.4 | 988 |
| 1977-09-29 02:00 | 37.0°N, 58.8°W | Cat 1 Hurricane | 36 | 984 |
| 1977-09-29 08:00 | 38.3°N, 57.0°W | Cat 1 Hurricane | 38.6 | 980 |
| 1977-09-29 14:00 | 40.0°N, 55.5°W | Cat 1 Hurricane | 36 | 984 |
| 1977-09-29 20:00 | 42.0°N, 54.0°W | Cat 1 Hurricane | 33.4 | 988 |
| 1977-09-30 02:00 | 44.5°N, 53.0°W | Extratropical cyclone | 30.9 | 990 |
| 1977-09-30 08:00 | 47.0°N, 51.0°W | Extratropical cyclone | 25.7 | 995 |
| 1977-09-30 14:00 | 49.5°N, 48.5°W | Extratropical cyclone | 23.1 | 1000 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1977270N29289 / AL101977. This basin has no official Chinese name, so the original English name is used. Intensity categories follow the classifications of the local regional agency, converted from 1-minute sustained wind using WMO factors, and are for reference only. Data notes · Incorrect translation?
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