Hurricane Bertha (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).
伯莎 (Bertha) at 1990-07-24 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 36 m/s (1 分钟平均) , minimum central pressure 973 hPa, at 1990-08-02 20:00:00前后结束, total 记录 37 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-07-24 20:00 | 34.0°N, 75.0°W | Tropical Depression | 10.3 | 1012 |
| 1990-07-25 08:00 | 33.0°N, 72.7°W | Tropical Depression | 10.3 | 1013 |
| 1990-07-25 20:00 | 31.2°N, 71.8°W | Tropical Depression | 10.3 | 1012 |
| 1990-07-26 08:00 | 30.5°N, 72.8°W | Tropical Depression | 12.9 | 1010 |
| 1990-07-26 20:00 | 30.1°N, 74.0°W | Tropical Depression | 12.9 | 1010 |
| 1990-07-27 08:00 | 29.6°N, 75.2°W | Tropical Depression | 12.9 | 1009 |
| 1990-07-27 20:00 | 29.1°N, 75.8°W | Tropical Depression | 15.4 | 1008 |
| 1990-07-28 08:00 | 28.6°N, 75.8°W | Tropical Storm | 18 | 1005 |
| 1990-07-28 20:00 | 29.1°N, 74.8°W | Tropical Storm | 23.1 | 1000 |
| 1990-07-29 08:00 | 30.2°N, 73.6°W | Cat 1 Hurricane | 33.4 | 990 |
| 1990-07-29 20:00 | 31.3°N, 72.2°W | Cat 1 Hurricane | 33.4 | 989 |
| 1990-07-30 08:00 | 32.7°N, 70.2°W | Tropical Storm | 30.9 | 989 |
| 1990-07-30 20:00 | 34.7°N, 68.3°W | Cat 1 Hurricane | 33.4 | 985 |
| 1990-07-31 08:00 | 36.6°N, 67.0°W | Cat 1 Hurricane | 36 | 974 |
| 1990-07-31 20:00 | 38.3°N, 65.9°W | Cat 1 Hurricane | 33.4 | 976 |
| 1990-08-01 08:00 | 39.6°N, 64.5°W | Cat 1 Hurricane | 33.4 | 977 |
| 1990-08-01 20:00 | 41.1°N, 62.7°W | Cat 1 Hurricane | 33.4 | 977 |
| 1990-08-02 08:00 | 44.2°N, 60.5°W | Cat 1 Hurricane | 36 | 973 |
| 1990-08-02 20:00 | 48.4°N, 60.0°W | Extratropical cyclone | 28.3 | 982 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1990206N34285 / AL031990. Chinese name source: Wikidata Q5947194. Intensity ratings follow the classifications of local agencies in the region, converted from 1-minute sustained winds using WMO factors, and are for reference only. Data notes · Incorrect translation?
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