Hurricane Hilda
● 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).
Hilda at 1991-08-08 08:00:00 (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 992 hPa, at 1991-08-14 14:00:00前后结束, total 记录 26 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1991-08-08 08:00 | 13.3°N, 101.9°W | Tropical Depression | 12.9 | 1009 |
| 1991-08-08 20:00 | 13.5°N, 104.3°W | Tropical Depression | 15.4 | 1009 |
| 1991-08-09 08:00 | 14.4°N, 106.1°W | Tropical Depression | 15.4 | 1007 |
| 1991-08-09 20:00 | 15.1°N, 107.8°W | Tropical Storm | 18 | 1005 |
| 1991-08-10 08:00 | 16.2°N, 109.8°W | Tropical Storm | 23.1 | 1003 |
| 1991-08-10 20:00 | 17.3°N, 111.7°W | Tropical Storm | 25.7 | 997 |
| 1991-08-11 08:00 | 19.0°N, 113.5°W | Tropical Storm | 28.3 | 993 |
| 1991-08-11 20:00 | 21.0°N, 114.8°W | Tropical Storm | 25.7 | 995 |
| 1991-08-12 08:00 | 23.0°N, 117.9°W | Tropical Storm | 23.1 | 1003 |
| 1991-08-12 20:00 | 25.3°N, 119.6°W | Tropical Storm | 23.1 | 1006 |
| 1991-08-13 08:00 | 27.7°N, 120.5°W | Tropical Storm | 18 | 1009 |
| 1991-08-13 20:00 | 29.9°N, 121.4°W | Tropical Depression | 12.9 | 1010 |
| 1991-08-14 08:00 | 31.8°N, 121.7°W | Tropical Depression | 12.9 | 1010 |
| 1991-08-14 14:00 | 32.7°N, 121.6°W | Tropical Depression | 12.9 | 1010 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1991220N13258 / EP091991. This area has no official Chinese name, so the original English name is used. Intensity categories follow the local agency classification for the basin, converted from 1-minute sustained wind using WMO factors, for reference only. Data notes · Incorrect translation?
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