Hurricane Ida
● 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).
艾达 (Ida) at 2021-08-26 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 4 Hurricane, max wind 约 66.9 m/s (1 分钟平均) , minimum central pressure 929 hPa, at 2021-09-05 02:00:00前后结束, total 记录 38 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-08-26 20:00 | 16.5°N, 78.9°W | Tropical Depression | 15.4 | 1006 |
| 2021-08-27 08:00 | 18.3°N, 80.2°W | Tropical Storm | 20.6 | 1004 |
| 2021-08-27 20:00 | 20.4°N, 81.7°W | Tropical Storm | 28.3 | 996 |
| 2021-08-28 08:00 | 22.6°N, 83.5°W | Cat 1 Hurricane | 36 | 989 |
| 2021-08-28 20:00 | 24.4°N, 85.7°W | Cat 1 Hurricane | 36 | 986 |
| 2021-08-29 08:00 | 26.7°N, 87.6°W | Cat 2 Hurricane | 46.3 | 967 |
| 2021-08-29 20:00 | 28.5°N, 89.6°W | Cat 4 Hurricane | 66.9 | 929 |
| 2021-08-30 08:00 | 29.9°N, 90.6°W | Cat 3 Hurricane | 54 | 944 |
| 2021-08-30 20:00 | 31.5°N, 90.9°W | Tropical Storm | 20.6 | 992 |
| 2021-08-31 08:00 | 33.0°N, 90.0°W | Tropical Depression | 15.4 | 996 |
| 2021-08-31 20:00 | 34.4°N, 88.4°W | Tropical Depression | 12.9 | 996 |
| 2021-09-01 08:00 | 35.8°N, 85.5°W | Tropical Depression | 10.3 | 1000 |
| 2021-09-01 20:00 | 37.7°N, 81.5°W | Extratropical cyclone | 12.9 | 1000 |
| 2021-09-02 08:00 | 39.8°N, 75.6°W | Extratropical cyclone | 18 | 997 |
| 2021-09-02 20:00 | 41.4°N, 69.7°W | Extratropical cyclone | 20.6 | 997 |
| 2021-09-03 08:00 | 45.4°N, 64.7°W | Extratropical cyclone | 20.6 | 995 |
| 2021-09-03 20:00 | 47.5°N, 62.7°W | Extratropical cyclone | 23.1 | 991 |
| 2021-09-04 08:00 | 48.8°N, 63.1°W | Extratropical cyclone | 23.1 | 992 |
| 2021-09-04 20:00 | 47.6°N, 63.9°W | Extratropical cyclone | 18 | 996 |
| 2021-09-05 02:00 | 46.6°N, 63.5°W | Extratropical cyclone | 15.4 | 999 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021239N17281 / AL092021. Chinese name source: Wikidata Q108300283. Intensity categories follow the local agency classification for the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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