Tropical Cyclone Hanta
● 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).
Hanta at 1990-04-10 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Moderate Tropical Storm, max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 991 hPa, at 1990-04-15 02:00:00前后结束, total 记录 18 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-04-10 20:00 | -7.0°S, 47.8°E | Tropical Disturbance | 7.7 | - |
| 1990-04-11 02:00 | -7.7°S, 46.7°E | Tropical Disturbance | 7.7 | - |
| 1990-04-11 08:00 | -8.5°S, 45.7°E | Tropical Disturbance | 7.7 | - |
| 1990-04-11 14:00 | -9.3°S, 44.7°E | Tropical Disturbance | 7.7 | - |
| 1990-04-11 20:00 | -10.0°S, 44.3°E | Tropical Disturbance | 10.3 | - |
| 1990-04-12 02:00 | -10.3°S, 44.5°E | Tropical Disturbance | 12.9 | - |
| 1990-04-12 08:00 | -10.5°S, 44.9°E | Tropical Disturbance | 15.4 | 1000 |
| 1990-04-12 14:00 | -10.8°S, 45.4°E | Tropical Depression | 18 | 1000 |
| 1990-04-12 20:00 | -11.3°S, 45.9°E | Moderate Tropical Storm | 20.6 | 991 |
| 1990-04-13 02:00 | -11.9°S, 46.1°E | Moderate Tropical Storm | 23.1 | 991 |
| 1990-04-13 08:00 | -12.5°S, 46.4°E | Moderate Tropical Storm | 23.1 | 991 |
| 1990-04-13 14:00 | -13.1°S, 46.6°E | Moderate Tropical Storm | 23.1 | 991 |
| 1990-04-13 20:00 | -13.8°S, 47.0°E | Moderate Tropical Storm | 23.1 | 991 |
| 1990-04-14 02:00 | -14.3°S, 47.3°E | Moderate Tropical Storm | 20.6 | 997 |
| 1990-04-14 08:00 | -14.6°S, 47.3°E | Tropical Depression | 18 | 1000 |
| 1990-04-14 14:00 | -14.7°S, 46.9°E | Tropical Disturbance | 15.4 | 1000 |
| 1990-04-14 20:00 | -14.4°S, 46.4°E | Tropical Disturbance | 12.9 | 1000 |
| 1990-04-15 02:00 | -13.9°S, 46.5°E | Tropical Disturbance | 10.3 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990101S07048 / SH271990. This area has no official Chinese name, so the original English name is used. Intensity grades follow the classifications of the relevant regional agency, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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