Tropical Cyclone Ivy
● 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).
Ivy at 2004-02-21 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 4 tropical cyclone , max wind 约 54 m/s (1 分钟平均) , minimum central pressure 935 hPa, at 2004-03-02 08:00:00前后结束, total 记录 41 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2004-02-21 08:00 | -15.4°S, 172.2°E | Tropical Depression | 10.3 | 1004 |
| 2004-02-21 20:00 | -16.1°S, 172.4°E | Tropical Depression | 10.3 | 999 |
| 2004-02-22 08:00 | -16.2°S, 173.3°E | Tropical Depression | 15.4 | 999 |
| 2004-02-22 20:00 | -15.6°S, 173.7°E | Tropical Depression | 15.4 | 999 |
| 2004-02-23 08:00 | -14.9°S, 172.7°E | Category 1 Tropical Cyclone | 20.6 | 997 |
| 2004-02-23 20:00 | -14.2°S, 170.9°E | Category 2 Tropical Cyclone | 28.3 | 985 |
| 2004-02-24 08:00 | -13.4°S, 169.7°E | Category 3 tropical cyclone | 38.6 | 975 |
| 2004-02-24 20:00 | -14.1°S, 168.8°E | Category 3 tropical cyclone | 46.3 | 970 |
| 2004-02-25 08:00 | -14.9°S, 168.0°E | Category 3 tropical cyclone | 43.7 | 960 |
| 2004-02-25 20:00 | -16.0°S, 167.7°E | Category 4 tropical cyclone | 48.9 | 950 |
| 2004-02-26 08:00 | -17.1°S, 168.1°E | Category 4 tropical cyclone | 54 | 935 |
| 2004-02-26 20:00 | -18.6°S, 168.6°E | Category 4 tropical cyclone | 51.4 | 940 |
| 2004-02-27 08:00 | -20.2°S, 169.1°E | Category 4 tropical cyclone | 51.4 | 940 |
| 2004-02-27 20:00 | -22.7°S, 169.9°E | Category 4 tropical cyclone | 51.4 | 940 |
| 2004-02-28 08:00 | -26.5°S, 171.9°E | Category 3 tropical cyclone | 46.3 | 950 |
| 2004-02-28 20:00 | -31.1°S, 174.8°E | Category 3 tropical cyclone | 38.6 | 970 |
| 2004-02-29 08:00 | -36.9°S, 178.7°E | Category 1 Tropical Cyclone | 25.7 | 976 |
| 2004-02-29 20:00 | -43.3°S, 176.0°W | Category 2 Tropical Cyclone | 30.4 | 976 |
| 2004-03-01 08:00 | -49.0°S, 172.0°W | Category 2 Tropical Cyclone | 27.8 | 979 |
| 2004-03-01 20:00 | -51.0°S, 171.2°W | Category 1 Tropical Cyclone | 22.1 | 980 |
| 2004-03-02 08:00 | -53.5°S, 167.5°W | Category 1 Tropical Cyclone | 22.1 | 991 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2004052S15172 / SH132004. This basin has no official Chinese name, so the original English name is used. Intensity is classified by the local agency for the basin, converted from 1-minute sustained wind using WMO factors, for reference only. Data notes · Incorrect translation?
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