Hurricane Ava
● 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).
Ava at 1977-05-26 02:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Tropical Storm, max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 997 hPa, at 1977-05-30 20:00:00前后结束, total 记录 20 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-05-26 02:00 | 11.8°N, 107.5°W | Tropical Cyclone | - | - |
| 1977-05-26 08:00 | 11.7°N, 108.5°W | Tropical Depression | 15.4 | - |
| 1977-05-26 14:00 | 11.6°N, 109.1°W | Tropical Depression | 15.4 | - |
| 1977-05-26 20:00 | 11.5°N, 109.6°W | Tropical Storm | 20.6 | - |
| 1977-05-27 02:00 | 11.6°N, 110.0°W | Tropical Storm | 23.1 | - |
| 1977-05-27 08:00 | 11.9°N, 110.3°W | Tropical Storm | 23.1 | - |
| 1977-05-27 14:00 | 12.7°N, 110.5°W | Tropical Storm | 23.1 | - |
| 1977-05-27 20:00 | 13.7°N, 110.6°W | Tropical Storm | 20.6 | - |
| 1977-05-28 02:00 | 14.8°N, 110.6°W | Tropical Storm | 20.6 | - |
| 1977-05-28 08:00 | 15.8°N, 110.7°W | Tropical Storm | 20.6 | - |
| 1977-05-28 14:00 | 16.8°N, 110.8°W | Tropical Storm | 20.6 | - |
| 1977-05-28 20:00 | 17.8°N, 110.7°W | Tropical Storm | 28.3 | - |
| 1977-05-29 02:00 | 17.9°N, 110.3°W | Tropical Storm | 25.7 | - |
| 1977-05-29 08:00 | 18.0°N, 110.0°W | Tropical Storm | 20.6 | 997 |
| 1977-05-29 14:00 | 18.0°N, 110.0°W | Tropical Storm | 20.6 | - |
| 1977-05-29 20:00 | 18.0°N, 110.0°W | Tropical Storm | 18 | - |
| 1977-05-30 02:00 | 18.0°N, 110.0°W | Tropical Depression | 15.4 | 1003 |
| 1977-05-30 08:00 | 18.0°N, 110.0°W | Tropical Depression | 15.4 | - |
| 1977-05-30 14:00 | 18.0°N, 110.0°W | Tropical Depression | 15.4 | - |
| 1977-05-30 20:00 | 18.0°N, 110.2°W | Tropical Depression | 15.4 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1977146N12253 / EP011977. There is no official Chinese translation for this storm; the original English name is used. Intensity grades follow the classifications of the local agency in the basin (converted from 1-min sustained wind using the WMO factor), for reference only. Data notes · Incorrect translation?
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