Tropical Cyclone Sina
● 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).
Sina at 1990-11-23 14:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 5 Tropical Cyclone , max wind 约 64.3 m/s (1 分钟平均) , minimum central pressure 960 hPa, at 1990-12-05 02:00:00前后结束, total 记录 47 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-11-23 14:00 | -7.0°S, 174.6°E | Tropical Depression | 10.3 | - |
| 1990-11-24 02:00 | -8.1°S, 174.8°E | Tropical Depression | 12.9 | - |
| 1990-11-24 14:00 | -9.6°S, 174.4°E | Tropical Depression | 12.9 | - |
| 1990-11-25 02:00 | -10.6°S, 173.5°E | Tropical Depression | 15.4 | 995 |
| 1990-11-25 14:00 | -11.2°S, 172.9°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 1990-11-26 02:00 | -12.6°S, 173.1°E | Category 2 Tropical Cyclone | 28.3 | 980 |
| 1990-11-26 14:00 | -14.3°S, 173.5°E | Category 3 tropical cyclone | 43.7 | 965 |
| 1990-11-27 02:00 | -15.9°S, 174.3°E | Category 4 tropical cyclone | 59.2 | 960 |
| 1990-11-27 14:00 | -17.4°S, 175.6°E | Category 5 Tropical Cyclone | 64.3 | 960 |
| 1990-11-28 02:00 | -18.5°S, 177.9°E | Category 4 tropical cyclone | 59.2 | 965 |
| 1990-11-28 14:00 | -19.2°S, 179.5°W | Category 4 tropical cyclone | 54 | 970 |
| 1990-11-29 02:00 | -20.2°S, 176.9°W | Category 3 tropical cyclone | 46.3 | 970 |
| 1990-11-29 14:00 | -20.7°S, 174.1°W | Category 3 tropical cyclone | 38.6 | 975 |
| 1990-11-30 02:00 | -20.7°S, 171.0°W | Category 2 Tropical Cyclone | 27.8 | 985 |
| 1990-11-30 14:00 | -20.8°S, 166.7°W | Category 2 Tropical Cyclone | 27.8 | 985 |
| 1990-12-01 02:00 | -23.5°S, 161.5°W | Category 2 Tropical Cyclone | 27.8 | 985 |
| 1990-12-01 14:00 | -27.1°S, 157.5°W | Extratropical cyclone | 22.1 | 988 |
| 1990-12-02 02:00 | -31.5°S, 153.2°W | Extratropical cyclone | 22.1 | 988 |
| 1990-12-02 14:00 | -35.3°S, 148.8°W | Extratropical cyclone | 24.7 | 987 |
| 1990-12-03 02:00 | -37.7°S, 144.2°W | Extratropical cyclone | 27.8 | 983 |
| 1990-12-03 14:00 | -41.5°S, 140.3°W | Extratropical cyclone | - | - |
| 1990-12-04 02:00 | -44.0°S, 135.2°W | Extratropical cyclone | - | - |
| 1990-12-04 14:00 | -49.0°S, 131.2°W | Tropical Cyclone | - | - |
| 1990-12-05 02:00 | -53.0°S, 124.0°W | Category 2 Tropical Cyclone | 27.8 | 978 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990327S07175 / SH031991. This basin has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the basin, using 1-min sustained wind converted with the WMO factor, for reference only. Data notes · Incorrect translation?
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