Hurricane Grace
● 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).
格雷斯 (Grace) at 1991-10-26 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 2 Hurricane, max wind 约 43.7 m/s (1 分钟平均) , minimum central pressure 980 hPa, at 1991-10-30 02:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1991-10-26 02:00 | 27.1°N, 64.9°W | Tropical Depression | 12.9 | 1008 |
| 1991-10-26 08:00 | 27.1°N, 65.2°W | Tropical Depression | 15.4 | 1007 |
| 1991-10-26 14:00 | 27.2°N, 65.5°W | Tropical Storm | 18 | 1005 |
| 1991-10-26 20:00 | 27.3°N, 66.0°W | Tropical Storm | 18 | 1002 |
| 1991-10-27 02:00 | 27.5°N, 66.5°W | Tropical Storm | 20.6 | 997 |
| 1991-10-27 08:00 | 28.1°N, 67.1°W | Tropical Storm | 23.1 | 993 |
| 1991-10-27 14:00 | 28.9°N, 66.9°W | Tropical Storm | 25.7 | 990 |
| 1991-10-27 20:00 | 29.8°N, 66.4°W | Tropical Storm | 28.3 | 988 |
| 1991-10-28 02:00 | 30.8°N, 67.2°W | Tropical Storm | 30.9 | 987 |
| 1991-10-28 08:00 | 31.6°N, 68.1°W | Cat 1 Hurricane | 33.4 | 985 |
| 1991-10-28 14:00 | 32.2°N, 68.5°W | Cat 1 Hurricane | 33.4 | 983 |
| 1991-10-28 20:00 | 32.3°N, 68.5°W | Cat 1 Hurricane | 33.4 | 983 |
| 1991-10-29 02:00 | 32.4°N, 67.8°W | Cat 1 Hurricane | 33.4 | 982 |
| 1991-10-29 08:00 | 31.8°N, 66.8°W | Cat 1 Hurricane | 36 | 980 |
| 1991-10-29 14:00 | 31.6°N, 65.3°W | Cat 1 Hurricane | 38.6 | 981 |
| 1991-10-29 20:00 | 31.5°N, 63.2°W | Cat 2 Hurricane | 43.7 | 982 |
| 1991-10-30 02:00 | 32.5°N, 59.0°W | Extratropical cyclone | 38.6 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1991299N27295 / AL111991. Chinese name source: Wikidata Q5947684. Intensity grades follow the classifications of local agencies in each basin, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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