Hurricane Aka
● 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).
Aka at 1990-08-07 02:00:00 (BeijingTime) 在Central Pacific首次被记录, peak intensity 为Tropical Storm, max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 994 hPa, at 1990-08-15 20:00:00前后结束, total 记录 36 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-08-07 02:00 | 10.0°N, 146.0°W | Tropical Depression | 10.3 | - |
| 1990-08-07 14:00 | 10.3°N, 148.1°W | Tropical Depression | 12.9 | - |
| 1990-08-08 02:00 | 10.5°N, 150.0°W | Tropical Depression | 15.4 | - |
| 1990-08-08 14:00 | 10.8°N, 152.8°W | Tropical Storm | 18 | - |
| 1990-08-09 02:00 | 11.4°N, 155.2°W | Tropical Storm | 18 | - |
| 1990-08-09 14:00 | 12.0°N, 157.3°W | Tropical Storm | 20.6 | - |
| 1990-08-10 02:00 | 11.6°N, 160.1°W | Tropical Storm | 25.7 | - |
| 1990-08-10 14:00 | 11.1°N, 163.1°W | Tropical Storm | 25.7 | - |
| 1990-08-11 02:00 | 11.7°N, 166.4°W | Tropical Storm | 28.3 | - |
| 1990-08-11 14:00 | 12.8°N, 169.1°W | Tropical Storm | 23.1 | - |
| 1990-08-12 02:00 | 13.4°N, 171.3°W | Tropical Storm | 18 | - |
| 1990-08-12 14:00 | 14.1°N, 173.6°W | Tropical Storm | 18 | - |
| 1990-08-13 02:00 | 14.6°N, 176.0°W | Tropical Storm | 23.1 | - |
| 1990-08-13 14:00 | 15.0°N, 179.4°W | Tropical Storm | 23.1 | - |
| 1990-08-14 02:00 | 15.0°N, 177.3°E | Tropical Storm | 20.6 | 994 |
| 1990-08-14 14:00 | 15.5°N, 174.1°E | Tropical Depression | 18 | 998 |
| 1990-08-15 02:00 | 16.3°N, 171.4°E | Tropical Depression | 18 | 1004 |
| 1990-08-15 14:00 | 16.7°N, 168.7°E | Tropical Depression | 15.4 | - |
| 1990-08-15 20:00 | 16.8°N, 167.7°E | Tropical Depression | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990219N10214 / CP011990. This basin has no official Chinese translation, so the original English name is used. Intensity categories follow the classifications of the relevant local agencies, converted from 1-minute sustained winds using the WMO scale, and are provided for reference only. Data notes · Incorrect translation?
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