Tropical Cyclone Dahlia
● 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).
Dahlia at 2017-11-27 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 987 hPa, at 2017-12-07 08:00:00前后结束, total 记录 39 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2017-11-27 20:00 | -7.8°S, 97.5°E | Tropical Depression | 11.3 | 1002 |
| 2017-11-28 08:00 | -8.1°S, 98.6°E | Tropical Depression | 11.3 | 1002 |
| 2017-11-28 20:00 | -8.3°S, 99.6°E | Tropical Depression | 10.3 | 1000 |
| 2017-11-29 08:00 | -8.3°S, 100.9°E | Tropical Depression | 12.9 | 999 |
| 2017-11-29 20:00 | -8.6°S, 102.8°E | Tropical Depression | 18 | 998 |
| 2017-11-30 08:00 | -8.9°S, 105.1°E | Category 1 Tropical Cyclone | 20.6 | 996 |
| 2017-11-30 20:00 | -9.3°S, 107.4°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 2017-12-01 08:00 | -9.7°S, 109.3°E | Category 2 Tropical Cyclone | 28.3 | 987 |
| 2017-12-01 20:00 | -10.5°S, 110.3°E | Category 1 Tropical Cyclone | 25.7 | 987 |
| 2017-12-02 08:00 | -10.7°S, 110.9°E | Category 1 Tropical Cyclone | 23.1 | 988 |
| 2017-12-02 20:00 | -11.2°S, 111.8°E | Category 1 Tropical Cyclone | 20.6 | 999 |
| 2017-12-03 08:00 | -12.5°S, 112.4°E | Tropical Depression | 18 | 998 |
| 2017-12-03 20:00 | -14.9°S, 112.1°E | Tropical Depression | 18 | 1000 |
| 2017-12-04 08:00 | -16.3°S, 111.4°E | Tropical Depression | 12.9 | 1002 |
| 2017-12-04 20:00 | -17.5°S, 110.9°E | Tropical Depression | 12.9 | 1005 |
| 2017-12-05 08:00 | -17.6°S, 110.4°E | Tropical Depression | 12.9 | 1004 |
| 2017-12-05 20:00 | -17.0°S, 110.5°E | Tropical Depression | 10.3 | 1005 |
| 2017-12-06 08:00 | -16.4°S, 111.0°E | Tropical Depression | 10.3 | 1006 |
| 2017-12-06 20:00 | -15.2°S, 111.7°E | Tropical Depression | 7.7 | 1008 |
| 2017-12-07 08:00 | -14.2°S, 113.0°E | Tropical Depression | 5.1 | 1012 |
Data source: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2017332S08098 / SH012018. There is no official Chinese name for this system, so the original English name is used. Intensity grades follow the classification of the local agency in the region and are based on the WMO conversion of 1-minute sustained wind, for reference only. Data notes · Incorrect translation?
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