Tropical Cyclone Ilona
● 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).
Ilona at 1988-12-12 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 3 tropical cyclone , max wind 约 43.7 m/s (1 分钟平均) , minimum central pressure 960 hPa, at 1988-12-20 02:00:00前后结束, total 记录 32 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1988-12-12 08:00 | -12.0°S, 128.3°E | Tropical Depression | 13.9 | 1000 |
| 1988-12-12 20:00 | -14.7°S, 125.0°E | Tropical Depression | 10.3 | 997 |
| 1988-12-13 08:00 | -16.1°S, 122.4°E | Tropical Depression | 12.9 | 996 |
| 1988-12-13 20:00 | -16.6°S, 120.2°E | Tropical Depression | 18 | 994 |
| 1988-12-14 08:00 | -16.1°S, 118.1°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 1988-12-14 20:00 | -16.1°S, 116.5°E | Category 1 Tropical Cyclone | 25.7 | 988 |
| 1988-12-15 08:00 | -16.2°S, 115.8°E | Category 2 Tropical Cyclone | 28.3 | 980 |
| 1988-12-15 20:00 | -16.4°S, 115.4°E | Category 2 Tropical Cyclone | 30.9 | 970 |
| 1988-12-16 08:00 | -16.7°S, 115.1°E | Category 3 tropical cyclone | 36 | 967 |
| 1988-12-16 20:00 | -17.3°S, 115.2°E | Category 3 tropical cyclone | 38.6 | 964 |
| 1988-12-17 08:00 | -18.3°S, 115.3°E | Category 3 tropical cyclone | 43.7 | 960 |
| 1988-12-17 20:00 | -20.2°S, 116.0°E | Category 3 tropical cyclone | 43.7 | 960 |
| 1988-12-18 08:00 | -23.0°S, 116.9°E | Category 1 Tropical Cyclone | 20.6 | 975 |
| 1988-12-18 20:00 | -25.9°S, 119.1°E | Tropical Depression | 16.5 | 995 |
| 1988-12-19 08:00 | -26.4°S, 121.8°E | Tropical Depression | 16.5 | 998 |
| 1988-12-19 20:00 | -26.7°S, 125.7°E | Tropical Depression | 13.9 | 999 |
| 1988-12-20 02:00 | -26.7°S, 127.1°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1988347S12128 / SH031989. There is no official Chinese name for this system, so the original English name is used. Categories follow the classification of the local agency in the relevant sea area, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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