Tropical Cyclone Birenda/Damien
● 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).
Birenda/Damien at 1999-01-21 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 3 tropical cyclone , max wind 约 41.2 m/s (1 分钟平均) , minimum central pressure 950 hPa, at 1999-02-03 08:00:00前后结束, total 记录 53 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1999-01-21 08:00 | -12.9°S, 113.3°E | Tropical Depression | 13.9 | - |
| 1999-01-22 02:00 | -12.7°S, 110.7°E | Tropical Depression | 12.9 | 990 |
| 1999-01-22 20:00 | -13.4°S, 108.1°E | Tropical Depression | 15.4 | 990 |
| 1999-01-23 14:00 | -13.7°S, 105.5°E | Category 1 Tropical Cyclone | 23.1 | 981 |
| 1999-01-24 08:00 | -14.9°S, 102.5°E | Category 2 Tropical Cyclone | 28.3 | 966 |
| 1999-01-25 02:00 | -16.0°S, 99.3°E | Category 3 tropical cyclone | 38.6 | 955 |
| 1999-01-25 20:00 | -15.7°S, 95.9°E | Category 3 tropical cyclone | 38.6 | 960 |
| 1999-01-26 14:00 | -14.5°S, 94.6°E | Category 2 Tropical Cyclone | 33.4 | 983 |
| 1999-01-27 08:00 | -14.4°S, 93.7°E | Category 2 Tropical Cyclone | 28.3 | 985 |
| 1999-01-28 02:00 | -15.4°S, 92.2°E | Category 2 Tropical Cyclone | 28.3 | 990 |
| 1999-01-28 20:00 | -16.8°S, 89.4°E | Moderate Tropical Storm | 25.7 | 990 |
| 1999-01-29 14:00 | -17.4°S, 85.5°E | Moderate Tropical Storm | 25.7 | 992 |
| 1999-01-30 08:00 | -17.4°S, 82.2°E | Moderate Tropical Storm | 20.6 | 997 |
| 1999-01-31 02:00 | -16.4°S, 78.9°E | Tropical Depression | 18 | 1000 |
| 1999-01-31 20:00 | -14.6°S, 74.6°E | Tropical Disturbance | 12.9 | 1002 |
| 1999-02-01 14:00 | -12.7°S, 71.7°E | Tropical Disturbance | 12.9 | 1000 |
| 1999-02-02 08:00 | -11.7°S, 70.9°E | Tropical Disturbance | 13.9 | 1000 |
| 1999-02-03 02:00 | -12.7°S, 69.1°E | Tropical Disturbance | 11.3 | 1004 |
| 1999-02-03 08:00 | -13.5°S, 68.3°E | Tropical Cyclone | - | 1005 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1999021S13113 / SH151999. There is no official Chinese name for this system, so the English name is used. The intensity category is based on the local agency classification in the region (converted from 1-min sustained wind using the WMO factor), for reference only. Data notes · Incorrect translation?
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