1999North Indian Ocean未命名气旋
● 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).
未命名 at 1999-06-17 14:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为Deep Depression, max wind 约 15.9 m/s (1 分钟平均) , minimum central pressure 986 hPa, at 1999-06-18 14:00:00前后结束, total 记录 5 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1999-06-17 14:00 | 18.5°N, 86.0°E | Deep Depression | 15.9 | 992 |
| 1999-06-17 20:00 | 19.0°N, 85.0°E | Deep Depression | 15.9 | 986 |
| 1999-06-18 02:00 | 19.5°N, 84.5°E | Deep Depression | 15.9 | 986 |
| 1999-06-18 08:00 | 19.5°N, 84.0°E | Tropical Cyclone | - | - |
| 1999-06-18 14:00 | 21.0°N, 81.0°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1999168N19086. There is no official Chinese name for this system, so the original English name is used. The intensity category follows the local agency classification for this basin, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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