Hurricane Calvin
● 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).
Calvin at 1999-07-24 02:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Tropical Storm, max wind 约 18 m/s (1 分钟平均) , minimum central pressure 1005 hPa, at 1999-07-27 14:00:00前后结束, total 记录 15 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1999-07-24 02:00 | 11.2°N, 106.0°W | Tropical Depression | 12.9 | - |
| 1999-07-24 08:00 | 11.1°N, 107.7°W | Tropical Depression | 12.9 | - |
| 1999-07-24 14:00 | 11.3°N, 108.9°W | Tropical Depression | 12.9 | - |
| 1999-07-24 20:00 | 11.7°N, 109.8°W | Tropical Depression | 12.9 | - |
| 1999-07-25 02:00 | 12.4°N, 110.9°W | Tropical Depression | 12.9 | - |
| 1999-07-25 08:00 | 13.3°N, 112.5°W | Tropical Depression | 12.9 | - |
| 1999-07-25 14:00 | 14.3°N, 114.4°W | Tropical Depression | 15.4 | 1006 |
| 1999-07-25 20:00 | 15.0°N, 115.9°W | Tropical Storm | 18 | 1005 |
| 1999-07-26 02:00 | 15.6°N, 117.1°W | Tropical Storm | 18 | 1006 |
| 1999-07-26 08:00 | 16.1°N, 118.2°W | Tropical Storm | 18 | 1006 |
| 1999-07-26 14:00 | 16.6°N, 119.2°W | Tropical Storm | 18 | 1006 |
| 1999-07-26 20:00 | 17.0°N, 120.3°W | Tropical Depression | 15.4 | 1006 |
| 1999-07-27 02:00 | 17.3°N, 121.4°W | Tropical Depression | 15.4 | 1006 |
| 1999-07-27 08:00 | 17.8°N, 122.1°W | Tropical Depression | 15.4 | 1006 |
| 1999-07-27 14:00 | 18.5°N, 122.6°W | Tropical Depression | 12.9 | 1007 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1999205N11254 / EP051999. No official Chinese name is available for this basin, so the English name is used. Categories follow the local agency classification in the basin, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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