Tropical Cyclone Gwenda
● 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).
Gwenda at 1999-04-02 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 5 Tropical Cyclone , max wind 约 66.9 m/s (1 分钟平均) , minimum central pressure 900 hPa, at 1999-04-08 20:00:00前后结束, total 记录 27 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1999-04-02 08:00 | -11.2°S, 131.0°E | Tropical Depression | 11.3 | 1007 |
| 1999-04-02 20:00 | -11.1°S, 130.1°E | Tropical Depression | 11.3 | 1006 |
| 1999-04-03 08:00 | -11.0°S, 129.2°E | Tropical Depression | 13.9 | 1006 |
| 1999-04-03 20:00 | -11.3°S, 126.9°E | Tropical Depression | 7.7 | 1004 |
| 1999-04-04 08:00 | -11.5°S, 124.9°E | Tropical Depression | 7.7 | 1002 |
| 1999-04-04 20:00 | -11.8°S, 122.9°E | Tropical Depression | 12.9 | 998 |
| 1999-04-05 08:00 | -12.3°S, 120.7°E | Tropical Depression | 15.4 | 986 |
| 1999-04-05 20:00 | -13.2°S, 118.8°E | Category 1 Tropical Cyclone | 23.1 | 966 |
| 1999-04-06 08:00 | -14.7°S, 117.2°E | Category 3 tropical cyclone | 38.6 | 933 |
| 1999-04-06 20:00 | -16.2°S, 116.6°E | Category 4 tropical cyclone | 59.2 | 900 |
| 1999-04-07 08:00 | -17.4°S, 116.8°E | Category 5 Tropical Cyclone | 66.9 | 926 |
| 1999-04-07 20:00 | -19.7°S, 118.3°E | Category 4 tropical cyclone | 51.4 | 960 |
| 1999-04-08 08:00 | -21.4°S, 120.5°E | Category 1 Tropical Cyclone | 23.1 | 1000 |
| 1999-04-08 20:00 | -23.1°S, 121.7°E | Tropical Depression | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1999092S11131 / SH321999. There is no official Chinese name for this basin, so the English name is used. Intensity is classified by the local agency in the region and is for reference only, converted from 1-min sustained wind using WMO factors. Data notes · Incorrect translation?
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