Hurricane Irwin
● 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).
Irwin at 2011-10-05 02:00:00 (BeijingTime) 在East Pacific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 976 hPa, at 2011-10-18 20:00:00前后结束, total 记录 56 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2011-10-05 02:00 | 11.6°N, 111.7°W | Tropical Depression | 12.9 | 1009 |
| 2011-10-05 20:00 | 11.4°N, 113.9°W | Tropical Depression | 12.9 | 1009 |
| 2011-10-06 14:00 | 12.1°N, 116.0°W | Tropical Depression | 15.4 | 1006 |
| 2011-10-07 08:00 | 12.9°N, 118.5°W | Tropical Storm | 30.9 | 995 |
| 2011-10-08 02:00 | 13.8°N, 120.5°W | Cat 2 Hurricane | 43.7 | 977 |
| 2011-10-08 20:00 | 14.3°N, 121.0°W | Cat 1 Hurricane | 36 | 985 |
| 2011-10-09 14:00 | 14.9°N, 120.4°W | Tropical Storm | 18 | 1004 |
| 2011-10-10 08:00 | 15.2°N, 119.1°W | Tropical Storm | 20.6 | 1003 |
| 2011-10-11 02:00 | 15.1°N, 117.2°W | Tropical Storm | 20.6 | 1003 |
| 2011-10-11 20:00 | 15.0°N, 115.3°W | Tropical Storm | 20.6 | 1003 |
| 2011-10-12 14:00 | 15.0°N, 112.5°W | Tropical Storm | 20.6 | 1002 |
| 2011-10-13 08:00 | 17.4°N, 108.9°W | Tropical Depression | 15.4 | 1004 |
| 2011-10-14 02:00 | 19.0°N, 106.8°W | Tropical Storm | 18 | 1003 |
| 2011-10-14 20:00 | 18.9°N, 106.9°W | Tropical Storm | 20.6 | 1002 |
| 2011-10-15 14:00 | 17.4°N, 106.3°W | Tropical Storm | 18 | 1003 |
| 2011-10-16 08:00 | 15.1°N, 107.0°W | Tropical Depression | 15.4 | 1004 |
| 2011-10-17 02:00 | 13.7°N, 107.9°W | Tropical Depression | 15.4 | 1006 |
| 2011-10-17 20:00 | 14.9°N, 108.7°W | Tropical Depression | 10.3 | 1008 |
| 2011-10-18 14:00 | 15.8°N, 109.6°W | Tropical Depression | 7.7 | 1010 |
| 2011-10-18 20:00 | 15.6°N, 109.5°W | Tropical Depression | 7.7 | 1010 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2011278N12248 / EP112011. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the classifications of the relevant local agency in the basin, converted from 1-minute sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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