Tropical Cyclone Ikonjo
● 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).
Ikonjo at 1990-05-10 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Severe Tropical Storm, max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 976 hPa, at 1990-05-24 02:00:00前后结束, total 记录 57 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-05-10 02:00 | -3.0°S, 80.9°E | Tropical Disturbance | 7.7 | - |
| 1990-05-10 20:00 | -5.3°S, 74.0°E | Tropical Disturbance | 7.7 | - |
| 1990-05-11 14:00 | -6.9°S, 69.4°E | Tropical Disturbance | 12.9 | - |
| 1990-05-12 08:00 | -8.0°S, 66.3°E | Tropical Disturbance | 15.4 | 997 |
| 1990-05-13 02:00 | -8.9°S, 65.2°E | Tropical Depression | 18 | 997 |
| 1990-05-13 20:00 | -9.7°S, 64.2°E | Moderate Tropical Storm | 23.1 | 997 |
| 1990-05-14 14:00 | -10.8°S, 63.3°E | Moderate Tropical Storm | 23.1 | 997 |
| 1990-05-15 08:00 | -11.0°S, 61.2°E | Moderate Tropical Storm | 23.1 | 991 |
| 1990-05-16 02:00 | -10.8°S, 59.1°E | Moderate Tropical Storm | 20.6 | 991 |
| 1990-05-16 20:00 | -10.0°S, 56.9°E | Moderate Tropical Storm | 20.6 | 991 |
| 1990-05-17 14:00 | -9.0°S, 55.3°E | Moderate Tropical Storm | 25.7 | 991 |
| 1990-05-18 08:00 | -7.8°S, 54.1°E | Severe Tropical Storm | 28.3 | 991 |
| 1990-05-19 02:00 | -7.2°S, 53.8°E | Severe Tropical Storm | 28.3 | 976 |
| 1990-05-19 20:00 | -6.6°S, 53.2°E | Tropical Depression | 18 | 991 |
| 1990-05-20 14:00 | -5.9°S, 52.6°E | Tropical Disturbance | 15.4 | 991 |
| 1990-05-21 08:00 | -4.7°S, 52.6°E | Tropical Disturbance | 12.9 | 1000 |
| 1990-05-22 02:00 | -4.9°S, 53.1°E | Tropical Disturbance | 7.7 | - |
| 1990-05-22 20:00 | -5.0°S, 53.0°E | Tropical Disturbance | 7.7 | - |
| 1990-05-23 14:00 | -5.0°S, 53.1°E | Tropical Disturbance | 7.7 | - |
| 1990-05-24 02:00 | -5.0°S, 53.0°E | Tropical Disturbance | 5.1 | - |
Data source: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990130S03081 / SH291990. No official Chinese name is available for this region, so the original English name is used. Intensity is classified by the local agency for the region, converted from 1-minute sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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