1999 South Pacific Unnamed Tropical Cyclone
● 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 1999-01-24 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Tropical Depression, max wind 约 18 m/s (1 分钟平均) , at 1999-01-27 08:00:00前后结束, total 记录 13 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1999-01-24 08:00 | -11.3°S, 138.1°E | Tropical Depression | 10.3 | - |
| 1999-01-24 14:00 | -11.7°S, 138.3°E | Tropical Depression | 12.9 | - |
| 1999-01-24 20:00 | -12.0°S, 138.6°E | Tropical Depression | 12.9 | - |
| 1999-01-25 02:00 | -12.3°S, 138.7°E | Tropical Depression | 12.9 | - |
| 1999-01-25 08:00 | -12.6°S, 138.7°E | Tropical Depression | 15.4 | - |
| 1999-01-25 14:00 | -12.9°S, 138.7°E | Tropical Depression | 15.4 | - |
| 1999-01-25 20:00 | -13.2°S, 138.7°E | Tropical Depression | 18 | - |
| 1999-01-26 02:00 | -13.4°S, 138.6°E | Tropical Depression | 18 | - |
| 1999-01-26 08:00 | -13.7°S, 138.5°E | Tropical Depression | 18 | - |
| 1999-01-26 14:00 | -14.0°S, 138.4°E | Tropical Depression | 18 | - |
| 1999-01-26 20:00 | -14.3°S, 138.3°E | Tropical Depression | 18 | - |
| 1999-01-27 02:00 | -14.6°S, 138.3°E | Tropical Depression | 15.4 | - |
| 1999-01-27 08:00 | -15.0°S, 138.3°E | Tropical Depression | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1999024S11138 / SH161999. This system has no official Chinese name and is displayed under its English name. Intensity grades follow the classifications of the local agency in the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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