Hurricane Irene
● 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).
Irene at 1981-09-21 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 3 Hurricane, max wind 约 54 m/s (1 分钟平均) , minimum central pressure 959 hPa, at 1981-10-03 14:00:00前后结束, total 记录 48 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1981-09-21 20:00 | 13.5°N, 32.5°W | Tropical Depression | 12.9 | 1015 |
| 1981-09-22 08:00 | 13.1°N, 34.9°W | Tropical Depression | 12.9 | 1012 |
| 1981-09-22 20:00 | 12.6°N, 37.2°W | Tropical Depression | 15.4 | 1010 |
| 1981-09-23 08:00 | 12.4°N, 39.6°W | Tropical Depression | 15.4 | 1007 |
| 1981-09-23 20:00 | 12.7°N, 42.2°W | Tropical Storm | 20.6 | 1003 |
| 1981-09-24 08:00 | 13.3°N, 45.3°W | Tropical Storm | 23.1 | 999 |
| 1981-09-24 20:00 | 14.3°N, 47.8°W | Tropical Storm | 28.3 | 994 |
| 1981-09-25 08:00 | 15.6°N, 50.1°W | Cat 1 Hurricane | 33.4 | 987 |
| 1981-09-25 20:00 | 17.4°N, 52.0°W | Cat 1 Hurricane | 41.2 | 980 |
| 1981-09-26 08:00 | 19.1°N, 53.5°W | Cat 2 Hurricane | 43.7 | 976 |
| 1981-09-26 20:00 | 20.3°N, 55.1°W | Cat 1 Hurricane | 41.2 | 980 |
| 1981-09-27 08:00 | 21.8°N, 56.4°W | Cat 2 Hurricane | 48.9 | 968 |
| 1981-09-27 20:00 | 23.0°N, 57.2°W | Cat 2 Hurricane | 46.3 | 970 |
| 1981-09-28 08:00 | 24.7°N, 56.9°W | Cat 3 Hurricane | 51.4 | 962 |
| 1981-09-28 20:00 | 27.0°N, 56.7°W | Cat 3 Hurricane | 54 | 959 |
| 1981-09-29 08:00 | 29.8°N, 55.3°W | Cat 3 Hurricane | 51.4 | 962 |
| 1981-09-29 20:00 | 32.6°N, 52.6°W | Cat 2 Hurricane | 48.9 | 968 |
| 1981-09-30 08:00 | 35.9°N, 47.5°W | Cat 2 Hurricane | 43.7 | 976 |
| 1981-09-30 20:00 | 38.9°N, 42.4°W | Cat 1 Hurricane | 38.6 | 983 |
| 1981-10-01 08:00 | 41.3°N, 36.1°W | Cat 1 Hurricane | 33.4 | 989 |
| 1981-10-01 20:00 | 43.7°N, 32.0°W | Tropical Storm | 30.9 | 994 |
| 1981-10-02 08:00 | 45.1°N, 28.5°W | Tropical Storm | 25.7 | 999 |
| 1981-10-02 20:00 | 45.2°N, 21.0°W | Extratropical cyclone | 23.1 | - |
| 1981-10-03 08:00 | 43.6°N, 11.5°W | Extratropical cyclone | 23.1 | - |
| 1981-10-03 14:00 | 45.0°N, 4.0°W | Extratropical cyclone | 23.1 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1981265N14328 / AL181981. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow the local agency's classification for the basin (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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