Hurricane Helene
● 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).
Helene at 2012-08-10 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 20.6 m/s (1 分钟平均) , minimum central pressure 1004 hPa, at 2012-08-19 08:00:00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 |
|---|
| 2012-08-10 02:00 | 13.7°N, 43.0°W | Tropical Depression | 15.4 | 1010 |
| 2012-08-10 14:00 | 13.5°N, 46.3°W | Tropical Depression | 15.4 | 1008 |
| 2012-08-11 02:00 | 13.4°N, 50.5°W | Tropical Depression | 15.4 | 1009 |
| 2012-08-11 14:00 | 13.4°N, 55.4°W | Tropical Depression | 15.4 | 1009 |
| 2012-08-12 02:00 | 13.3°N, 59.9°W | Tropical Depression | 15.4 | 1011 |
| 2012-08-12 14:00 | 13.7°N, 63.2°W | Tropical Depression | 15.4 | 1011 |
| 2012-08-13 02:00 | 14.1°N, 68.0°W | Tropical Depression | 15.4 | 1010 |
| 2012-08-13 14:00 | 14.1°N, 72.7°W | Tropical Depression | 15.4 | 1009 |
| 2012-08-14 02:00 | 14.1°N, 76.6°W | Tropical Depression | 15.4 | 1008 |
| 2012-08-14 14:00 | 14.1°N, 80.1°W | Tropical Depression | 15.4 | 1009 |
| 2012-08-15 02:00 | 14.3°N, 83.6°W | Tropical Depression | 15.4 | 1009 |
| 2012-08-15 14:00 | 15.2°N, 87.0°W | Tropical Depression | 15.4 | 1010 |
| 2012-08-16 02:00 | 16.5°N, 89.5°W | Tropical Depression | 12.9 | 1011 |
| 2012-08-16 14:00 | 18.5°N, 91.0°W | Tropical Depression | 12.9 | 1011 |
| 2012-08-17 02:00 | 19.3°N, 92.6°W | Tropical Depression | 12.9 | 1011 |
| 2012-08-17 14:00 | 19.7°N, 95.2°W | Tropical Depression | 12.9 | 1011 |
| 2012-08-18 02:00 | 20.3°N, 95.9°W | Tropical Storm | 20.6 | 1004 |
| 2012-08-18 14:00 | 21.4°N, 96.8°W | Tropical Depression | 15.4 | 1007 |
| 2012-08-19 02:00 | 22.5°N, 98.7°W | Tropical Depression | 12.9 | 1009 |
| 2012-08-19 08:00 | 22.7°N, 98.9°W | Tropical Depression | 12.9 | 1009 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2012223N14317 / AL072012. 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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