Tropical Cyclone Dean
● 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).
Dean at 1980-01-27 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为4级Tropical Cyclone , max wind 约 49.9 m/s (1 分钟平均) , minimum central pressure 930 hPa, at 1980-02-04 08:00:00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 |
|---|
| 1980-01-27 08:00 | -10.5°S, 129.4°E | Tropical Depression | 13.9 | 1005 |
| 1980-01-27 20:00 | -11.0°S, 129.0°E | Tropical Depression | 16.5 | 1000 |
| 1980-01-28 08:00 | -11.4°S, 128.4°E | Category 1 Tropical Cyclone | 22.1 | 994 |
| 1980-01-28 20:00 | -11.5°S, 126.2°E | Tropical Depression | 15.4 | 990 |
| 1980-01-29 08:00 | -12.1°S, 123.0°E | Tropical Depression | 18 | 986 |
| 1980-01-29 20:00 | -12.4°S, 120.9°E | Category 1 Tropical Cyclone | 20.6 | 982 |
| 1980-01-30 08:00 | -13.3°S, 118.9°E | Category 1 Tropical Cyclone | 25.7 | 978 |
| 1980-01-30 20:00 | -14.8°S, 117.1°E | Category 2 Tropical Cyclone | 33.4 | 972 |
| 1980-01-31 08:00 | -15.9°S, 116.7°E | Category 3 tropical cyclone | 36 | 964 |
| 1980-01-31 20:00 | -17.6°S, 117.5°E | Category 3 tropical cyclone | 43.7 | 950 |
| 1980-02-01 08:00 | -19.8°S, 118.5°E | Category 3 tropical cyclone | 38.6 | 930 |
| 1980-02-01 20:00 | -22.5°S, 119.6°E | Category 3 tropical cyclone | 38.6 | 974 |
| 1980-02-02 08:00 | -23.7°S, 120.6°E | Category 1 Tropical Cyclone | 24.7 | 985 |
| 1980-02-02 20:00 | -24.2°S, 121.4°E | Category 1 Tropical Cyclone | 22.1 | 991 |
| 1980-02-03 08:00 | -24.6°S, 122.4°E | Tropical Cyclone | - | - |
| 1980-02-03 20:00 | -24.8°S, 124.5°E | Tropical Depression | 16.5 | 997 |
| 1980-02-04 08:00 | -24.3°S, 126.5°E | Tropical Depression | 13.9 | 999 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1980027S11129 / SH111980. There is no official Chinese name for this system, so its original English name is used. Intensity categories follow the classifications of the local agency in the relevant ocean basin, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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