Tropical Cyclone Freda
● 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).
Freda at 1997-01-20 20:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 33.4 m/s (1 分钟平均) , minimum central pressure 980 hPa, at 1997-02-05 20:00:00前后结束, total 记录 65 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1997-01-20 20:00 | -15.9°S, 172.0°E | Tropical Depression | 7.7 | - |
| 1997-01-21 14:00 | -16.5°S, 172.2°E | Tropical Depression | 7.7 | - |
| 1997-01-22 08:00 | -17.3°S, 172.2°E | Tropical Depression | 10.3 | - |
| 1997-01-23 02:00 | -18.1°S, 171.7°E | Tropical Depression | 10.3 | - |
| 1997-01-23 20:00 | -18.8°S, 171.1°E | Tropical Depression | 12.9 | - |
| 1997-01-24 14:00 | -19.9°S, 170.9°E | Tropical Depression | 12.9 | - |
| 1997-01-25 08:00 | -20.3°S, 171.8°E | Tropical Depression | 12.9 | - |
| 1997-01-26 02:00 | -20.6°S, 174.0°E | Tropical Depression | 15.4 | - |
| 1997-01-26 20:00 | -21.9°S, 175.8°E | Category 1 Tropical Cyclone | 23.1 | 995 |
| 1997-01-27 14:00 | -23.8°S, 176.5°E | Category 2 Tropical Cyclone | 33.4 | 985 |
| 1997-01-28 08:00 | -25.6°S, 177.5°E | Category 2 Tropical Cyclone | 33.4 | 980 |
| 1997-01-29 02:00 | -26.3°S, 178.7°E | Category 2 Tropical Cyclone | 33.4 | 985 |
| 1997-01-29 20:00 | -26.9°S, 179.5°W | Category 2 Tropical Cyclone | 30.9 | 988 |
| 1997-01-30 14:00 | -28.5°S, 178.6°W | Category 2 Tropical Cyclone | 28.3 | 982 |
| 1997-01-31 08:00 | -28.9°S, 179.4°W | Category 1 Tropical Cyclone | 25.7 | 985 |
| 1997-02-01 02:00 | -28.9°S, 179.1°W | Category 1 Tropical Cyclone | 23.1 | 986 |
| 1997-02-01 20:00 | -30.3°S, 177.0°W | Tropical Depression | 18 | 990 |
| 1997-02-02 14:00 | -33.2°S, 175.8°W | Tropical Depression | 18 | 992 |
| 1997-02-03 08:00 | -37.4°S, 173.7°W | Tropical Depression | 18 | 990 |
| 1997-02-04 02:00 | -43.2°S, 176.0°W | Tropical Depression | 16.5 | 988 |
| 1997-02-04 20:00 | -47.8°S, 176.3°W | Tropical Depression | 16.5 | 994 |
| 1997-02-05 14:00 | -52.0°S, 172.0°W | Tropical Depression | 16.5 | 990 |
| 1997-02-05 20:00 | -53.5°S, 169.5°W | Tropical Depression | 16.5 | 990 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1997021S16172 / SH221997. This basin has no official Chinese translated name, so the original English name is used. Intensity categories follow the classifications of local agencies in the region, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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