Tropical Cyclone Alvin/Bertie
● 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).
Alvin/Bertie at 2005-11-18 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 4 tropical cyclone , max wind 约 59.2 m/s (1 分钟平均) , minimum central pressure 928 hPa, at 2005-12-03 14:00:00前后结束, total 记录 61 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2005-11-18 14:00 | -3.8°S, 95.1°E | Tropical Depression | 7.7 | 1004 |
| 2005-11-19 08:00 | -5.6°S, 94.3°E | Tropical Depression | 12.9 | 998 |
| 2005-11-20 02:00 | -7.4°S, 94.0°E | Category 1 Tropical Cyclone | 20.6 | 988 |
| 2005-11-20 20:00 | -8.4°S, 93.6°E | Category 1 Tropical Cyclone | 25.7 | 984 |
| 2005-11-21 14:00 | -9.4°S, 92.4°E | Category 3 tropical cyclone | 38.6 | 970 |
| 2005-11-22 08:00 | -10.9°S, 91.1°E | Category 3 tropical cyclone | 41.2 | 962 |
| 2005-11-23 02:00 | -12.2°S, 90.4°E | Category 4 tropical cyclone | 54 | 928 |
| 2005-11-23 20:00 | -13.4°S, 90.3°E | Category 4 tropical cyclone | 54 | 928 |
| 2005-11-24 14:00 | -14.6°S, 89.9°E | Severe Tropical Cyclone | 54 | 935 |
| 2005-11-25 08:00 | -14.5°S, 89.0°E | Tropical Cyclone | 46.3 | 970 |
| 2005-11-26 02:00 | -14.1°S, 87.8°E | Severe Tropical Storm | 28.3 | 992 |
| 2005-11-26 20:00 | -13.7°S, 86.0°E | Moderate Tropical Storm | 20.6 | 997 |
| 2005-11-27 14:00 | -12.9°S, 84.2°E | Tropical Disturbance | 12.9 | 999 |
| 2005-11-28 08:00 | -12.5°S, 83.0°E | Tropical Disturbance | 12.9 | 1000 |
| 2005-11-29 02:00 | -12.3°S, 81.6°E | Tropical Disturbance | 12.9 | 1002 |
| 2005-11-29 20:00 | -10.4°S, 80.1°E | Tropical Disturbance | 11.3 | 1004 |
| 2005-11-30 14:00 | -8.1°S, 78.9°E | Tropical Disturbance | 11.3 | 1004 |
| 2005-12-01 08:00 | -7.9°S, 77.5°E | Tropical Disturbance | 11.3 | 1004 |
| 2005-12-02 02:00 | -8.5°S, 75.0°E | Tropical Disturbance | 11.3 | 1004 |
| 2005-12-02 20:00 | -9.1°S, 70.8°E | Tropical Disturbance | - | 1006 |
| 2005-12-03 14:00 | -9.5°S, 68.1°E | Tropical Disturbance | - | 1007 |
Data source: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2005322S04095 / SH032006. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the local agency’s classification for the region, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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