Hurricane Katherine
● 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).
Katherine at 1973-09-29 20:00:00 (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 978 hPa, at 1973-10-09 08:00:00前后结束, total 记录 39 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-09-29 20:00 | 11.5°N, 109.8°W | Tropical Depression | 12.9 | - |
| 1973-09-30 08:00 | 12.3°N, 111.6°W | Tropical Storm | 23.1 | - |
| 1973-09-30 20:00 | 13.2°N, 113.2°W | Tropical Storm | 25.7 | - |
| 1973-10-01 08:00 | 14.1°N, 115.0°W | Tropical Storm | 30.9 | - |
| 1973-10-01 20:00 | 15.2°N, 116.5°W | Cat 1 Hurricane | 36 | - |
| 1973-10-02 08:00 | 16.0°N, 118.0°W | Cat 2 Hurricane | 43.7 | - |
| 1973-10-02 20:00 | 16.6°N, 119.5°W | Cat 2 Hurricane | 43.7 | - |
| 1973-10-03 08:00 | 17.2°N, 121.0°W | Cat 1 Hurricane | 41.2 | - |
| 1973-10-03 20:00 | 17.7°N, 122.3°W | Cat 1 Hurricane | 38.6 | - |
| 1973-10-04 08:00 | 17.3°N, 125.6°W | Cat 1 Hurricane | 33.4 | - |
| 1973-10-04 20:00 | 16.2°N, 128.3°W | Tropical Storm | 28.3 | - |
| 1973-10-05 08:00 | 15.3°N, 131.0°W | Tropical Storm | 25.7 | - |
| 1973-10-05 20:00 | 15.0°N, 134.5°W | Tropical Storm | 25.7 | - |
| 1973-10-06 08:00 | 14.6°N, 136.0°W | Tropical Storm | 25.7 | - |
| 1973-10-06 20:00 | 14.0°N, 138.7°W | Tropical Storm | 23.1 | - |
| 1973-10-07 08:00 | 13.3°N, 141.5°W | Tropical Storm | 20.6 | - |
| 1973-10-07 20:00 | 13.2°N, 143.2°W | Tropical Storm | 20.6 | - |
| 1973-10-08 08:00 | 13.1°N, 145.2°W | Tropical Storm | 18 | - |
| 1973-10-08 20:00 | 13.2°N, 147.2°W | Tropical Storm | 18 | - |
| 1973-10-09 08:00 | 13.5°N, 149.2°W | Tropical Depression | 15.4 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1973273N12250 / EP111973. There is no official Chinese name for this basin; the original English name is displayed. Intensity classifications follow local agency standards 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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