Hurricane Irma
● 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).
Irma at 1978-10-02 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 1001 hPa, at 1978-10-06 02:00:00前后结束, total 记录 14 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1978-10-02 20:00 | 31.7°N, 31.5°W | Tropical Depression | 15.4 | 1010 |
| 1978-10-03 02:00 | 32.0°N, 31.5°W | Tropical Depression | 15.4 | 1006 |
| 1978-10-03 08:00 | 32.3°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-03 14:00 | 32.6°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-03 20:00 | 32.9°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-04 02:00 | 33.4°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-04 08:00 | 33.9°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-04 14:00 | 34.5°N, 31.5°W | Tropical Depression | 15.4 | - |
| 1978-10-04 20:00 | 35.1°N, 31.5°W | Tropical Storm | 20.6 | 1004 |
| 1978-10-05 02:00 | 35.8°N, 31.4°W | Tropical Storm | 23.1 | 1002 |
| 1978-10-05 08:00 | 36.7°N, 31.2°W | Tropical Storm | 23.1 | 1001 |
| 1978-10-05 14:00 | 38.2°N, 30.4°W | Tropical Storm | 20.6 | 1002 |
| 1978-10-05 20:00 | 40.0°N, 28.8°W | Tropical Storm | 20.6 | - |
| 1978-10-06 02:00 | 43.0°N, 26.2°W | Extratropical cyclone | 20.6 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1978276N32329 / AL191978. This area has no official Chinese translation, so the original English name is used. Intensity grades follow the local agency classification for the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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