1997South Indian Ocean未命名Tropical Cyclone
● 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).
未命名 at 1997-01-07 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 991 hPa, at 1997-01-14 02:00:00前后结束, total 记录 26 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1997-01-07 20:00 | -15.7°S, 92.8°E | Tropical Depression | 7.7 | 1006 |
| 1997-01-08 08:00 | -15.7°S, 92.7°E | Tropical Depression | 10.3 | 1006 |
| 1997-01-08 20:00 | -15.7°S, 92.5°E | Tropical Depression | 10.3 | 1006 |
| 1997-01-09 08:00 | -15.7°S, 92.3°E | Tropical Depression | 10.3 | 1004 |
| 1997-01-09 20:00 | -16.0°S, 92.1°E | Tropical Depression | 12.9 | 1004 |
| 1997-01-10 08:00 | -16.8°S, 92.2°E | Tropical Depression | 12.9 | 1002 |
| 1997-01-10 20:00 | -17.5°S, 92.2°E | Tropical Depression | 12.9 | 1002 |
| 1997-01-11 08:00 | -18.3°S, 92.2°E | Tropical Depression | 18 | 998 |
| 1997-01-11 20:00 | -19.1°S, 91.5°E | Category 1 Tropical Cyclone | 23.1 | 991 |
| 1997-01-12 08:00 | -20.5°S, 90.1°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 1997-01-12 20:00 | -21.9°S, 88.1°E | Moderate Tropical Storm | 20.6 | - |
| 1997-01-13 08:00 | -23.6°S, 85.6°E | Tropical Depression | 18 | - |
| 1997-01-13 20:00 | -25.5°S, 82.8°E | Tropical Depression | 18 | - |
| 1997-01-14 02:00 | -26.1°S, 81.8°E | Tropical Disturbance | 15.4 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1997008S16093 / SH181997. This basin has no official Chinese name, so the original English designation is used. Intensity categories follow the classifications of the local agency in the basin (converted from 1-min sustained wind using WMO factors), for reference only. Data notes · Incorrect translation?
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