Hurricane Blanca
● 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).
Blanca at 1974-06-05 08:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Tropical Storm, max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 1001 hPa, at 1974-06-08 20:00:00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 |
|---|
| 1974-06-05 08:00 | 11.7°N, 107.3°W | Tropical Depression | 15.4 | - |
| 1974-06-05 14:00 | 11.9°N, 107.9°W | Tropical Depression | 15.4 | - |
| 1974-06-05 20:00 | 12.1°N, 108.6°W | Tropical Depression | 15.4 | 1004 |
| 1974-06-06 02:00 | 12.1°N, 109.4°W | Tropical Depression | 15.4 | 1001 |
| 1974-06-06 08:00 | 12.2°N, 110.2°W | Tropical Depression | 15.4 | - |
| 1974-06-06 14:00 | 12.4°N, 111.1°W | Tropical Depression | 15.4 | - |
| 1974-06-06 20:00 | 12.6°N, 111.9°W | Tropical Depression | 15.4 | - |
| 1974-06-07 02:00 | 12.9°N, 112.8°W | Tropical Storm | 18 | - |
| 1974-06-07 08:00 | 13.2°N, 113.6°W | Tropical Storm | 18 | - |
| 1974-06-07 14:00 | 13.5°N, 114.4°W | Tropical Storm | 18 | - |
| 1974-06-07 20:00 | 13.8°N, 115.0°W | Tropical Storm | 18 | - |
| 1974-06-08 02:00 | 14.2°N, 115.4°W | Tropical Storm | 25.7 | - |
| 1974-06-08 08:00 | 14.6°N, 115.8°W | Tropical Storm | 25.7 | - |
| 1974-06-08 14:00 | 15.3°N, 116.4°W | Tropical Storm | 20.6 | - |
| 1974-06-08 20:00 | 16.3°N, 117.0°W | Tropical Storm | 20.6 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1974156N12253 / EP021974. This system has no official Chinese name and is shown under its original English name. Intensity is classified by the local agency for the region, based on 1-minute sustained winds converted using WMO factors, for reference only. Data notes · Incorrect translation?
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