Hurricane Erika
● 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).
Erika at 1991-09-09 02:00:00 (BeijingTime) 在North Atlantic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 997 hPa, at 1991-09-13 02:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1991-09-09 02:00 | 24.2°N, 49.1°W | Tropical Depression | 12.9 | 1011 |
| 1991-09-09 08:00 | 25.4°N, 50.0°W | Tropical Depression | 12.9 | 1010 |
| 1991-09-09 14:00 | 26.8°N, 50.9°W | Tropical Depression | 15.4 | 1009 |
| 1991-09-09 20:00 | 27.8°N, 52.3°W | Tropical Depression | 15.4 | 1007 |
| 1991-09-10 02:00 | 29.3°N, 53.1°W | Tropical Storm | 18 | 1005 |
| 1991-09-10 08:00 | 31.2°N, 51.7°W | Tropical Storm | 20.6 | 1002 |
| 1991-09-10 14:00 | 33.0°N, 49.3°W | Tropical Storm | 23.1 | 1000 |
| 1991-09-10 20:00 | 34.7°N, 46.1°W | Tropical Storm | 25.7 | 998 |
| 1991-09-11 02:00 | 35.8°N, 42.5°W | Tropical Storm | 25.7 | 997 |
| 1991-09-11 08:00 | 36.5°N, 38.7°W | Tropical Storm | 25.7 | 997 |
| 1991-09-11 14:00 | 36.8°N, 35.0°W | Tropical Storm | 25.7 | 998 |
| 1991-09-11 20:00 | 37.0°N, 31.9°W | Tropical Storm | 23.1 | 1000 |
| 1991-09-12 02:00 | 37.1°N, 29.3°W | Tropical Storm | 20.6 | 1003 |
| 1991-09-12 08:00 | 37.3°N, 27.2°W | Tropical Storm | 18 | 1007 |
| 1991-09-12 14:00 | 37.9°N, 25.2°W | Tropical Depression | 15.4 | 1009 |
| 1991-09-12 20:00 | 38.8°N, 23.3°W | Extratropical cyclone | 15.4 | 1011 |
| 1991-09-13 02:00 | 39.5°N, 21.5°W | Extratropical cyclone | 12.9 | 1013 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1991252N24311 / AL081991. This area has no official Chinese name, so the original English name is used. Intensity categories follow the classification of the local agency in the relevant region, converted from 1-minute sustained winds using WMO factors, for reference only. Data notes · Incorrect translation?
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