Hurricane Francesca
● 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).
Francesca at 1970-07-01 20:00:00 (BeijingTime) 在East Pacific首次被记录, peak intensity 为Cat 2 Hurricane, max wind 约 43.7 m/s (1 分钟平均) , minimum central pressure 991 hPa, at 1970-07-10 08:00:00前后结束, total 记录 35 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1970-07-01 20:00 | 8.3°N, 86.9°W | Tropical Depression | 12.9 | - |
| 1970-07-02 08:00 | 9.1°N, 88.4°W | Tropical Depression | 12.9 | - |
| 1970-07-02 20:00 | 10.3°N, 89.7°W | Tropical Depression | 12.9 | - |
| 1970-07-03 08:00 | 11.2°N, 91.6°W | Tropical Storm | 25.7 | - |
| 1970-07-03 20:00 | 10.9°N, 94.1°W | Tropical Storm | 25.7 | - |
| 1970-07-04 08:00 | 10.8°N, 96.6°W | Cat 2 Hurricane | 43.7 | - |
| 1970-07-04 20:00 | 11.6°N, 100.0°W | Cat 2 Hurricane | 43.7 | - |
| 1970-07-05 08:00 | 12.1°N, 102.6°W | Cat 1 Hurricane | 36 | - |
| 1970-07-05 20:00 | 12.6°N, 105.2°W | Cat 1 Hurricane | 36 | - |
| 1970-07-06 08:00 | 13.4°N, 108.3°W | Tropical Storm | 28.3 | - |
| 1970-07-06 20:00 | 14.0°N, 111.4°W | Tropical Storm | 23.1 | - |
| 1970-07-07 08:00 | 14.6°N, 113.8°W | Tropical Storm | 20.6 | - |
| 1970-07-07 20:00 | 15.3°N, 115.6°W | Tropical Storm | 18 | - |
| 1970-07-08 08:00 | 15.6°N, 117.1°W | Tropical Storm | 18 | - |
| 1970-07-08 20:00 | 15.7°N, 118.6°W | Tropical Depression | 15.4 | - |
| 1970-07-09 08:00 | 15.6°N, 119.8°W | Tropical Depression | 12.9 | - |
| 1970-07-09 20:00 | 15.6°N, 121.3°W | Tropical Depression | 12.9 | - |
| 1970-07-10 08:00 | 15.2°N, 122.4°W | Tropical Depression | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1970183N08273 / EP051970. This storm has no official Chinese name, so its original English name is used. Intensity is classified by the local agency for the region, based on 1-minute sustained winds converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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