Hurricane Ione
● 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).
Ione at 1974-08-20 08:00:00 (BeijingTime) 在Central Pacific首次被记录, peak intensity 为Cat 3 Hurricane, max wind 约 51.4 m/s (1 分钟平均) , at 1974-08-31 08:00:00前后结束, total 记录 45 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1974-08-20 08:00 | 13.1°N, 124.6°W | Tropical Depression | 12.9 | - |
| 1974-08-20 20:00 | 14.0°N, 127.3°W | Tropical Depression | 12.9 | - |
| 1974-08-21 08:00 | 14.2°N, 129.0°W | Tropical Storm | 18 | - |
| 1974-08-21 20:00 | 13.7°N, 131.2°W | Tropical Storm | 18 | - |
| 1974-08-22 08:00 | 13.0°N, 133.0°W | Tropical Depression | 15.4 | - |
| 1974-08-22 20:00 | 12.7°N, 134.2°W | Tropical Depression | 15.4 | - |
| 1974-08-23 08:00 | 12.4°N, 135.6°W | Tropical Depression | 15.4 | - |
| 1974-08-23 20:00 | 12.4°N, 137.6°W | Tropical Depression | 15.4 | - |
| 1974-08-24 08:00 | 12.7°N, 139.3°W | Cat 1 Hurricane | 38.6 | - |
| 1974-08-24 20:00 | 13.2°N, 141.0°W | Cat 2 Hurricane | 46.3 | - |
| 1974-08-25 08:00 | 13.6°N, 142.0°W | Cat 2 Hurricane | 46.3 | - |
| 1974-08-25 20:00 | 14.3°N, 142.9°W | Cat 2 Hurricane | 46.3 | - |
| 1974-08-26 08:00 | 15.3°N, 143.8°W | Cat 2 Hurricane | 46.3 | - |
| 1974-08-26 20:00 | 16.6°N, 144.0°W | Cat 2 Hurricane | 46.3 | - |
| 1974-08-27 08:00 | 18.2°N, 143.4°W | Cat 1 Hurricane | 36 | - |
| 1974-08-27 20:00 | 18.9°N, 143.4°W | Cat 1 Hurricane | 36 | - |
| 1974-08-28 08:00 | 19.5°N, 143.6°W | Tropical Depression | 15.4 | - |
| 1974-08-28 20:00 | 18.8°N, 145.0°W | Tropical Depression | 12.9 | - |
| 1974-08-29 08:00 | 17.9°N, 146.1°W | Tropical Depression | 12.9 | - |
| 1974-08-29 20:00 | 17.1°N, 147.7°W | Tropical Depression | 12.9 | - |
| 1974-08-30 08:00 | 17.0°N, 149.5°W | Tropical Depression | 12.9 | - |
| 1974-08-30 20:00 | 16.8°N, 151.7°W | Tropical Depression | 12.9 | - |
| 1974-08-31 08:00 | 16.5°N, 153.9°W | Tropical Depression | 10.3 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1974232N13235 / EP091974. There is no official Chinese name for this area, so the original English name is shown. Intensity is classified by the local agency in the basin where the system occurred, based on 1-minute sustained wind converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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