Tropical Cyclone Ruby
● 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).
Ruby at 2021-12-09 02:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为3级Tropical Cyclone , max wind 约 36 m/s (1 分钟平均) , minimum central pressure 975 hPa, at 2021-12-17 02:00:00前后结束, total 记录 33 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-12-09 02:00 | -9.2°S, 154.9°E | Tropical Depression | 7.7 | 1010 |
| 2021-12-09 14:00 | -9.5°S, 155.0°E | Tropical Depression | 10.3 | 1007 |
| 2021-12-10 02:00 | -9.8°S, 155.3°E | Tropical Depression | 12.9 | 1006 |
| 2021-12-10 14:00 | -10.3°S, 155.4°E | Tropical Depression | 12.9 | 1003 |
| 2021-12-11 02:00 | -10.4°S, 155.7°E | Tropical Depression | 12.9 | 1000 |
| 2021-12-11 14:00 | -10.8°S, 156.4°E | Tropical Depression | 12.9 | 999 |
| 2021-12-12 02:00 | -12.8°S, 156.8°E | Tropical Depression | 18 | 1000 |
| 2021-12-12 14:00 | -14.7°S, 157.7°E | Category 1 Tropical Cyclone | 25.7 | 990 |
| 2021-12-13 02:00 | -16.4°S, 158.8°E | Category 2 Tropical Cyclone | 33.4 | 983 |
| 2021-12-13 14:00 | -18.2°S, 161.2°E | Category 2 Tropical Cyclone | 30.9 | 980 |
| 2021-12-14 02:00 | -20.1°S, 163.9°E | Category 2 Tropical Cyclone | 28.3 | 978 |
| 2021-12-14 14:00 | -22.3°S, 167.3°E | Category 2 Tropical Cyclone | 33.4 | 981 |
| 2021-12-15 02:00 | -24.3°S, 170.8°E | Category 2 Tropical Cyclone | 28.3 | 991 |
| 2021-12-15 14:00 | -26.7°S, 174.5°E | Category 1 Tropical Cyclone | 25.7 | 987 |
| 2021-12-16 02:00 | -30.7°S, 179.0°E | Category 2 Tropical Cyclone | 28.3 | 981 |
| 2021-12-16 14:00 | -36.3°S, 174.2°W | Tropical Cyclone | - | - |
| 2021-12-17 02:00 | -41.8°S, 164.6°W | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021343S09155 / SH032022. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow local agency standards for the region (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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