Hurricane Iona
● 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).
Iona at 2025-07-26 08:00:00 (BeijingTime) 在Central Pacific首次被记录, peak intensity 为Cat 4 Hurricane, max wind 约 59.2 m/s (1 分钟平均) , minimum central pressure 956 hPa, at 2025-08-01 20:00:00前后结束, total 记录 27 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2025-07-26 08:00 | 10.5°N, 140.9°W | Tropical Depression | 12.9 | 1009 |
| 2025-07-26 20:00 | 10.8°N, 142.3°W | Tropical Depression | 12.9 | 1009 |
| 2025-07-27 08:00 | 10.9°N, 144.1°W | Tropical Depression | 12.9 | 1008 |
| 2025-07-27 20:00 | 10.9°N, 146.0°W | Tropical Depression | 15.4 | 1007 |
| 2025-07-28 08:00 | 10.9°N, 147.8°W | Tropical Storm | 20.6 | 1005 |
| 2025-07-28 20:00 | 10.7°N, 149.7°W | Tropical Storm | 28.3 | 1001 |
| 2025-07-29 08:00 | 10.8°N, 151.6°W | Cat 1 Hurricane | 38.6 | 988 |
| 2025-07-29 20:00 | 10.8°N, 153.7°W | Cat 4 Hurricane | 59.2 | 956 |
| 2025-07-30 08:00 | 11.0°N, 156.4°W | Cat 3 Hurricane | 51.4 | 968 |
| 2025-07-30 20:00 | 11.4°N, 159.6°W | Cat 1 Hurricane | 36 | 991 |
| 2025-07-31 08:00 | 11.8°N, 163.8°W | Tropical Storm | 23.1 | 1002 |
| 2025-07-31 20:00 | 12.5°N, 167.9°W | Tropical Storm | 20.6 | 1004 |
| 2025-08-01 08:00 | 13.4°N, 171.7°W | Tropical Storm | 18 | 1006 |
| 2025-08-01 20:00 | 13.8°N, 175.5°W | Tropical Depression | 15.4 | 1007 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), ID 2025207N11219 / CP012025. 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 region (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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