Hurricane Bertha
● 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).
Bertha at 1984-08-30 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Tropical Storm, max wind 约 18 m/s (1 分钟平均) , minimum central pressure 1007 hPa, at 1984-09-05 02:00:00前后结束, total 记录 22 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-08-30 20:00 | 13.1°N, 41.0°W | Tropical Depression | 12.9 | 1009 |
| 1984-08-31 02:00 | 13.3°N, 42.2°W | Tropical Depression | 12.9 | 1009 |
| 1984-08-31 08:00 | 13.7°N, 43.4°W | Tropical Depression | 15.4 | 1008 |
| 1984-08-31 14:00 | 14.4°N, 44.5°W | Tropical Depression | 15.4 | 1008 |
| 1984-08-31 20:00 | 14.9°N, 45.3°W | Tropical Storm | 18 | 1007 |
| 1984-09-01 02:00 | 15.7°N, 46.6°W | Tropical Storm | 18 | 1007 |
| 1984-09-01 08:00 | 16.3°N, 47.7°W | Tropical Storm | 18 | 1007 |
| 1984-09-01 14:00 | 17.0°N, 48.7°W | Tropical Storm | 18 | 1007 |
| 1984-09-01 20:00 | 17.5°N, 49.5°W | Tropical Depression | 15.4 | 1008 |
| 1984-09-02 02:00 | 18.2°N, 50.5°W | Tropical Depression | 15.4 | 1008 |
| 1984-09-02 08:00 | 19.2°N, 51.3°W | Tropical Depression | 15.4 | 1008 |
| 1984-09-02 14:00 | 20.0°N, 52.1°W | Tropical Depression | 15.4 | 1009 |
| 1984-09-02 20:00 | 20.8°N, 53.1°W | Tropical Depression | 12.9 | 1010 |
| 1984-09-03 02:00 | 22.6°N, 52.8°W | Tropical Depression | 12.9 | 1010 |
| 1984-09-03 08:00 | 23.8°N, 52.5°W | Tropical Depression | 12.9 | 1010 |
| 1984-09-03 14:00 | 25.1°N, 51.9°W | Tropical Depression | 12.9 | 1010 |
| 1984-09-03 20:00 | 26.1°N, 50.5°W | Tropical Depression | 10.3 | 1012 |
| 1984-09-04 02:00 | 27.1°N, 49.1°W | Tropical Depression | 10.3 | 1012 |
| 1984-09-04 08:00 | 28.3°N, 47.8°W | Tropical Depression | 10.3 | 1013 |
| 1984-09-04 14:00 | 29.6°N, 46.0°W | Tropical Depression | 10.3 | 1013 |
| 1984-09-04 20:00 | 30.5°N, 44.5°W | Tropical Depression | 10.3 | 1013 |
| 1984-09-05 02:00 | 32.0°N, 42.0°W | Tropical Depression | 10.3 | 1013 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984244N13319 / AL071984. There is no official Chinese name for this area, so the original English name is used. Intensity is classified by the local agency in the relevant sea area, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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