Tropical Cyclone Dan
● 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).
Dan at 1980-12-14 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 27.8 m/s (1 分钟平均) , minimum central pressure 985 hPa, at 1980-12-18 08:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1980-12-14 08:00 | -8.6°S, 99.6°E | Tropical Depression | 11.3 | 1006 |
| 1980-12-14 14:00 | -8.5°S, 100.3°E | Tropical Depression | 13.9 | 1006 |
| 1980-12-14 20:00 | -8.4°S, 101.1°E | Tropical Depression | 13.9 | 1005 |
| 1980-12-15 02:00 | -8.5°S, 101.9°E | Tropical Depression | 13.9 | 1005 |
| 1980-12-15 08:00 | -8.8°S, 102.4°E | Tropical Depression | 13.9 | 1004 |
| 1980-12-15 14:00 | -9.7°S, 102.1°E | Tropical Depression | 13.9 | 1002 |
| 1980-12-15 20:00 | -10.5°S, 101.4°E | Tropical Depression | 13.9 | 1000 |
| 1980-12-16 02:00 | -10.6°S, 101.9°E | Tropical Depression | 16.5 | 996 |
| 1980-12-16 08:00 | -10.3°S, 102.3°E | Category 1 Tropical Cyclone | 22.1 | 992 |
| 1980-12-16 14:00 | -9.9°S, 103.0°E | Category 1 Tropical Cyclone | 24.7 | 989 |
| 1980-12-16 20:00 | -9.7°S, 103.7°E | Category 2 Tropical Cyclone | 27.8 | 986 |
| 1980-12-17 02:00 | -10.1°S, 104.2°E | Category 2 Tropical Cyclone | 27.8 | 985 |
| 1980-12-17 08:00 | -10.9°S, 104.5°E | Category 2 Tropical Cyclone | 27.8 | 986 |
| 1980-12-17 14:00 | -11.8°S, 104.7°E | Category 1 Tropical Cyclone | 22.1 | 988 |
| 1980-12-17 20:00 | -12.3°S, 104.9°E | Tropical Depression | 16.5 | 990 |
| 1980-12-18 02:00 | -13.0°S, 105.1°E | Tropical Depression | 16.5 | 992 |
| 1980-12-18 08:00 | -13.6°S, 105.4°E | Tropical Depression | 13.9 | 994 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1980349S09100. No official Chinese name is available for this storm, so the original English name is used. The category follows the local agency classification for the region, converted from 1-minute sustained winds using the WMO factor, and is for reference only. Data notes · Incorrect translation?
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