Unnamed 1998 South Indian Ocean 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 1998-04-16 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , at 1998-04-19 20:00:00前后结束, total 记录 15 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1998-04-16 08:00 | -8.6°S, 135.4°E | Tropical Depression | 10.3 | - |
| 1998-04-16 14:00 | -8.5°S, 134.5°E | Tropical Depression | 12.9 | - |
| 1998-04-16 20:00 | -8.4°S, 133.6°E | Tropical Depression | 12.9 | - |
| 1998-04-17 02:00 | -8.4°S, 132.7°E | Tropical Depression | 12.9 | - |
| 1998-04-17 08:00 | -8.5°S, 131.8°E | Tropical Depression | 12.9 | - |
| 1998-04-17 14:00 | -8.9°S, 131.0°E | Tropical Depression | 12.9 | - |
| 1998-04-17 20:00 | -9.5°S, 130.0°E | Tropical Depression | 12.9 | - |
| 1998-04-18 02:00 | -10.1°S, 128.9°E | Tropical Depression | 15.4 | - |
| 1998-04-18 08:00 | -10.6°S, 127.7°E | Tropical Depression | 15.4 | - |
| 1998-04-18 14:00 | -11.2°S, 126.7°E | Tropical Depression | 15.4 | - |
| 1998-04-18 20:00 | -12.1°S, 126.1°E | Tropical Depression | 18 | - |
| 1998-04-19 02:00 | -12.9°S, 126.0°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1998-04-19 08:00 | -13.7°S, 125.9°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1998-04-19 14:00 | -14.5°S, 125.9°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1998-04-19 20:00 | -15.3°S, 125.9°E | Tropical Depression | 18 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1998106S09135 / SH351998. No official Chinese name is available for this system, so its original English name is shown. Intensity categories follow the local agency classification for the region, converted from 1-minute sustained winds using WMO factors, for reference only. Data notes · Incorrect translation?
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