Hurricane Sam
● 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).
Sam at 2021-09-23 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 4 Hurricane, max wind 约 69.4 m/s (1 分钟平均) , minimum central pressure 927 hPa, at 2021-10-07 14:00:00前后结束, total 记录 59 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-09-23 02:00 | 10.0°N, 33.1°W | Tropical Depression | 15.4 | 1008 |
| 2021-09-23 20:00 | 10.7°N, 37.6°W | Tropical Storm | 23.1 | 1003 |
| 2021-09-24 14:00 | 11.4°N, 41.6°W | Cat 1 Hurricane | 33.4 | 993 |
| 2021-09-25 08:00 | 12.3°N, 45.4°W | Cat 2 Hurricane | 43.7 | 982 |
| 2021-09-26 02:00 | 13.1°N, 48.1°W | Cat 4 Hurricane | 59.2 | 950 |
| 2021-09-26 20:00 | 13.8°N, 50.0°W | Cat 4 Hurricane | 66.9 | 939 |
| 2021-09-27 14:00 | 15.0°N, 51.1°W | Cat 4 Hurricane | 59.2 | 948 |
| 2021-09-28 08:00 | 16.5°N, 52.9°W | Cat 3 Hurricane | 54 | 955 |
| 2021-09-29 02:00 | 17.7°N, 54.7°W | Cat 4 Hurricane | 59.2 | 947 |
| 2021-09-29 20:00 | 19.1°N, 56.6°W | Cat 4 Hurricane | 59.2 | 952 |
| 2021-09-30 14:00 | 21.0°N, 58.8°W | Cat 4 Hurricane | 64.3 | 937 |
| 2021-10-01 08:00 | 24.3°N, 61.0°W | Cat 4 Hurricane | 64.3 | 938 |
| 2021-10-02 02:00 | 29.2°N, 61.9°W | Cat 4 Hurricane | 66.9 | 937 |
| 2021-10-02 20:00 | 33.4°N, 60.1°W | Cat 4 Hurricane | 59.2 | 948 |
| 2021-10-03 14:00 | 36.7°N, 56.6°W | Cat 2 Hurricane | 46.3 | 960 |
| 2021-10-04 08:00 | 38.7°N, 52.2°W | Cat 2 Hurricane | 46.3 | 957 |
| 2021-10-05 02:00 | 43.8°N, 43.6°W | Cat 1 Hurricane | 41.2 | 965 |
| 2021-10-05 20:00 | 52.2°N, 39.6°W | Extratropical cyclone | 33.4 | 966 |
| 2021-10-06 14:00 | 50.5°N, 35.5°W | Extratropical cyclone | 28.3 | 968 |
| 2021-10-07 08:00 | 55.2°N, 25.4°W | Extratropical cyclone | 23.1 | 973 |
| 2021-10-07 14:00 | 58.1°N, 22.3°W | Extratropical cyclone | 20.6 | 976 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021266N10327 / AL182021. No official Chinese name is available for this storm, so the original English name is used. Intensity levels are classified by the local agency in the relevant sea area, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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