Tropical Cyclone Frank
● 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).
Frank at 1984-12-20 02:00:00 (BeijingTime) 在South Indian Ocean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 952 hPa, at 1984-12-28 08:00:00前后结束, total 记录 34 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-12-20 02:00 | -16.4°S, 129.0°E | Tropical Depression | 13.9 | 1001 |
| 1984-12-20 14:00 | -16.5°S, 127.5°E | Tropical Depression | 13.9 | 1000 |
| 1984-12-21 02:00 | -16.6°S, 126.2°E | Tropical Depression | 13.9 | 999 |
| 1984-12-21 14:00 | -16.7°S, 124.8°E | Tropical Depression | 13.9 | 998 |
| 1984-12-22 02:00 | -16.8°S, 123.8°E | Tropical Depression | 16.5 | 998 |
| 1984-12-22 14:00 | -17.3°S, 122.7°E | Tropical Depression | 16.5 | 996 |
| 1984-12-23 02:00 | -17.3°S, 121.9°E | Tropical Depression | 12.9 | 984 |
| 1984-12-23 14:00 | -17.5°S, 121.2°E | Tropical Depression | 18 | 978 |
| 1984-12-24 02:00 | -17.7°S, 120.2°E | Category 1 Tropical Cyclone | 23.1 | 966 |
| 1984-12-24 14:00 | -17.5°S, 119.0°E | Category 2 Tropical Cyclone | 28.3 | 954 |
| 1984-12-25 02:00 | -17.4°S, 118.0°E | Category 2 Tropical Cyclone | 33.4 | 952 |
| 1984-12-25 14:00 | -17.6°S, 117.3°E | Category 3 tropical cyclone | 38.6 | 956 |
| 1984-12-26 02:00 | -18.1°S, 117.2°E | Category 3 tropical cyclone | 38.6 | 960 |
| 1984-12-26 14:00 | -18.9°S, 117.5°E | Category 3 tropical cyclone | 36 | 966 |
| 1984-12-27 02:00 | -19.7°S, 117.9°E | Category 2 Tropical Cyclone | 30.9 | 984 |
| 1984-12-27 14:00 | -20.8°S, 118.8°E | Category 1 Tropical Cyclone | 20.6 | 993 |
| 1984-12-28 02:00 | -21.5°S, 120.9°E | Tropical Depression | 16.5 | 998 |
| 1984-12-28 08:00 | -21.6°S, 122.2°E | Tropical Depression | 13.9 | 1000 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984355S16129 / SH051985. There is no official Chinese name for this basin, so the original English name is used. Intensity categories follow the local agency classification for the basin (converted from 1-min sustained wind by WMO factors), for reference only. Data notes · Incorrect translation?
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