Tropical Cyclone Cliff
● 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).
Cliff at 1981-02-08 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 3 tropical cyclone , max wind 约 38.6 m/s (1 分钟平均) , minimum central pressure 970 hPa, at 1981-02-15 14:00:00前后结束, total 记录 30 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1981-02-08 08:00 | -9.0°S, 178.0°E | Tropical Depression | 16.5 | 997 |
| 1981-02-08 20:00 | -9.4°S, 175.6°E | Tropical Depression | 10.3 | 997 |
| 1981-02-09 08:00 | -11.0°S, 172.6°E | Tropical Depression | 12.9 | 997 |
| 1981-02-09 20:00 | -12.6°S, 170.3°E | Tropical Depression | 15.4 | 997 |
| 1981-02-10 08:00 | -13.8°S, 168.8°E | Tropical Depression | 18 | 997 |
| 1981-02-10 20:00 | -14.4°S, 168.4°E | Tropical Depression | 18 | 990 |
| 1981-02-11 08:00 | -15.5°S, 168.6°E | Category 1 Tropical Cyclone | 23.1 | 985 |
| 1981-02-11 20:00 | -17.0°S, 168.3°E | Category 2 Tropical Cyclone | 30.9 | 970 |
| 1981-02-12 08:00 | -18.8°S, 167.5°E | Category 3 tropical cyclone | 36 | 970 |
| 1981-02-12 20:00 | -21.2°S, 165.9°E | Category 3 tropical cyclone | 38.6 | 970 |
| 1981-02-13 08:00 | -23.3°S, 163.6°E | Category 2 Tropical Cyclone | 33.4 | 970 |
| 1981-02-13 20:00 | -25.2°S, 160.2°E | Category 2 Tropical Cyclone | 28.3 | 985 |
| 1981-02-14 08:00 | -25.9°S, 156.8°E | Category 1 Tropical Cyclone | 23.1 | 985 |
| 1981-02-14 20:00 | -25.6°S, 153.8°E | Tropical Depression | 18 | 985 |
| 1981-02-15 08:00 | -25.1°S, 150.3°E | Tropical Depression | 15.4 | 998 |
| 1981-02-15 14:00 | -25.6°S, 147.5°E | Tropical Depression | 10.3 | 999 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1981039S09178 / SH151981. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the local agency classification for the basin, converted from 1-minute sustained winds using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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