Hurricane Irah
● 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).
Irah at 1973-09-22 08:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Cat 2 Hurricane, max wind 约 48.9 m/s (1 分钟平均) , minimum central pressure 955 hPa, at 1973-09-27 08:00:00前后结束, total 记录 21 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-09-22 08:00 | 13.2°N, 102.1°W | Tropical Depression | 15.4 | - |
| 1973-09-22 14:00 | 13.6°N, 102.6°W | Tropical Depression | 15.4 | - |
| 1973-09-22 20:00 | 14.0°N, 103.1°W | Tropical Depression | 15.4 | - |
| 1973-09-23 02:00 | 14.5°N, 104.1°W | Tropical Depression | 15.4 | - |
| 1973-09-23 08:00 | 15.0°N, 105.0°W | Tropical Storm | 20.6 | - |
| 1973-09-23 14:00 | 15.8°N, 106.0°W | Tropical Storm | 20.6 | - |
| 1973-09-23 20:00 | 16.8°N, 107.0°W | Tropical Storm | 20.6 | - |
| 1973-09-24 02:00 | 17.5°N, 108.1°W | Cat 1 Hurricane | 36 | 972 |
| 1973-09-24 08:00 | 18.2°N, 109.1°W | Cat 1 Hurricane | 38.6 | - |
| 1973-09-24 14:00 | 18.7°N, 109.4°W | Cat 1 Hurricane | 38.6 | - |
| 1973-09-24 20:00 | 19.3°N, 109.7°W | Cat 1 Hurricane | 41.2 | - |
| 1973-09-25 02:00 | 19.9°N, 110.2°W | Cat 2 Hurricane | 46.3 | 955 |
| 1973-09-25 08:00 | 20.6°N, 110.7°W | Cat 2 Hurricane | 46.3 | - |
| 1973-09-25 14:00 | 21.3°N, 111.0°W | Cat 2 Hurricane | 48.9 | - |
| 1973-09-25 20:00 | 22.0°N, 111.1°W | Cat 2 Hurricane | 46.3 | - |
| 1973-09-26 02:00 | 23.0°N, 111.0°W | Cat 1 Hurricane | 36 | 983 |
| 1973-09-26 08:00 | 24.0°N, 110.7°W | Cat 1 Hurricane | 33.4 | - |
| 1973-09-26 14:00 | 25.0°N, 110.0°W | Tropical Storm | 25.7 | - |
| 1973-09-26 20:00 | 25.9°N, 109.0°W | Tropical Storm | 18 | - |
| 1973-09-27 02:00 | 26.5°N, 108.1°W | Extratropical cyclone | 12.9 | - |
| 1973-09-27 08:00 | 26.9°N, 107.0°W | Extratropical cyclone | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1973265N13258 / EP091973. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency for the basin, converted from 1-minute sustained winds using the WMO factor, and is provided for reference only. Data notes · Incorrect translation?
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