Unnamed South Pacific Tropical Cyclone of 1997
● 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 1997-02-23 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 975 hPa, at 1997-03-02 08:00:00前后结束, total 记录 29 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1997-02-23 08:00 | -18.0°S, 159.2°W | Tropical Cyclone | - | - |
| 1997-02-23 20:00 | -18.5°S, 161.5°W | Tropical Cyclone | - | - |
| 1997-02-24 08:00 | -20.0°S, 162.5°W | Tropical Depression | 11.3 | 1002 |
| 1997-02-24 20:00 | -21.3°S, 163.8°W | Tropical Depression | 13.9 | 999 |
| 1997-02-25 08:00 | -23.3°S, 165.6°W | Tropical Depression | 15.4 | 998 |
| 1997-02-25 20:00 | -25.3°S, 167.2°W | Tropical Depression | 18 | 995 |
| 1997-02-26 08:00 | -28.4°S, 167.9°W | Category 1 Tropical Cyclone | 23.1 | 985 |
| 1997-02-26 20:00 | -31.0°S, 169.2°W | Category 1 Tropical Cyclone | 20.6 | 975 |
| 1997-02-27 08:00 | -34.5°S, 170.7°W | Tropical Depression | 18 | 990 |
| 1997-02-27 20:00 | -37.9°S, 170.8°W | Tropical Depression | 18 | 992 |
| 1997-02-28 08:00 | -40.5°S, 170.4°W | Category 1 Tropical Cyclone | 20.6 | 996 |
| 1997-02-28 20:00 | -42.5°S, 170.1°W | Category 1 Tropical Cyclone | 23.1 | 996 |
| 1997-03-01 08:00 | -45.0°S, 170.0°W | Category 1 Tropical Cyclone | 25.7 | 1000 |
| 1997-03-01 20:00 | -47.5°S, 168.5°W | Category 1 Tropical Cyclone | 23.1 | 1001 |
| 1997-03-02 08:00 | -48.6°S, 165.2°W | Tropical Depression | 13.9 | 1004 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1997054S18201 / SH291997. There is no official Chinese name for this system, so its original English name is shown. Intensity categories follow the classifications of the local agency in the region, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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