Hurricane Iva
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
Iva at 1961-06-09 20:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 38.6 m/s (1 分钟平均) , at 1961-06-12 08:00:00前后结束, total 记录 11 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1961-06-09 20:00 | 13.5°N, 100.0°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-10 02:00 | 14.0°N, 100.8°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-10 08:00 | 14.6°N, 101.4°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-10 14:00 | 15.3°N, 101.7°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-10 20:00 | 16.0°N, 101.9°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-11 02:00 | 16.8°N, 102.0°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-11 08:00 | 17.6°N, 102.0°W | Cat 1 Hurricane | 38.6 | - |
| 1961-06-11 14:00 | 18.7°N, 101.9°W | Tropical Storm | 23.1 | - |
| 1961-06-11 20:00 | 19.8°N, 101.7°W | Tropical Storm | 18 | - |
| 1961-06-12 02:00 | 20.5°N, 100.9°W | Tropical Depression | 12.9 | - |
| 1961-06-12 08:00 | 20.8°N, 99.3°W | Tropical Depression | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1961161N13260 / EP011961. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency for the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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