Tropical Cyclone Sam
● 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).
Sam at 1990-01-11 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 966 hPa, at 1990-01-21 08:00:00前后结束, total 记录 39 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-01-11 20:00 | -12.0°S, 130.5°E | Tropical Depression | 13.9 | 1003 |
| 1990-01-12 08:00 | -12.8°S, 128.6°E | Tropical Depression | 13.9 | 1003 |
| 1990-01-12 20:00 | -13.3°S, 126.7°E | Tropical Depression | 10.3 | 1001 |
| 1990-01-13 08:00 | -13.6°S, 124.3°E | Tropical Depression | 12.9 | 997 |
| 1990-01-13 20:00 | -13.6°S, 122.4°E | Tropical Depression | 15.4 | 993 |
| 1990-01-14 08:00 | -13.8°S, 120.9°E | Tropical Depression | 18 | 982 |
| 1990-01-14 20:00 | -14.4°S, 118.9°E | Category 1 Tropical Cyclone | 20.6 | 972 |
| 1990-01-15 08:00 | -15.1°S, 116.4°E | Category 1 Tropical Cyclone | 23.1 | 972 |
| 1990-01-15 20:00 | -15.7°S, 114.1°E | Category 1 Tropical Cyclone | 23.1 | 976 |
| 1990-01-16 08:00 | -16.4°S, 112.1°E | Category 1 Tropical Cyclone | 25.7 | 976 |
| 1990-01-16 20:00 | -17.3°S, 110.2°E | Category 1 Tropical Cyclone | 23.1 | 974 |
| 1990-01-17 08:00 | -18.4°S, 108.4°E | Category 1 Tropical Cyclone | 23.1 | 972 |
| 1990-01-17 20:00 | -19.4°S, 107.2°E | Category 1 Tropical Cyclone | 25.7 | 968 |
| 1990-01-18 08:00 | -20.6°S, 106.2°E | Category 1 Tropical Cyclone | 25.7 | 966 |
| 1990-01-18 20:00 | -22.1°S, 105.5°E | Category 1 Tropical Cyclone | 23.1 | 970 |
| 1990-01-19 08:00 | -23.3°S, 105.1°E | Category 1 Tropical Cyclone | 20.6 | 980 |
| 1990-01-19 20:00 | -25.1°S, 105.1°E | Tropical Depression | 15.4 | 990 |
| 1990-01-20 08:00 | -26.4°S, 105.4°E | Tropical Depression | 12.9 | 997 |
| 1990-01-20 20:00 | -27.1°S, 107.0°E | Tropical Depression | 13.9 | 1002 |
| 1990-01-21 08:00 | -27.7°S, 109.0°E | Tropical Depression | 13.9 | 1003 |
Data source: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990012S12131 / SH101990. There is no official Chinese name for this storm, so the original English name is used. Intensity categories follow the classifications of the local agency in the region and are converted from 1-minute sustained winds using the WMO factor. For reference only. Data notes · Incorrect translation?
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