Tropical Cyclone Yali
● 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).
Yali at 1998-03-17 14:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 3 tropical cyclone , max wind 约 46.3 m/s (1 分钟平均) , minimum central pressure 944 hPa, at 1998-03-31 08:00:00前后结束, total 记录 56 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1998-03-17 14:00 | -11.1°S, 169.7°E | Tropical Depression | 7.7 | - |
| 1998-03-18 08:00 | -11.6°S, 168.4°E | Tropical Depression | 12.9 | - |
| 1998-03-19 02:00 | -12.3°S, 166.2°E | Tropical Depression | 18 | 1000 |
| 1998-03-19 20:00 | -13.3°S, 164.4°E | Tropical Depression | 18 | 997 |
| 1998-03-20 14:00 | -14.3°S, 164.3°E | Category 1 Tropical Cyclone | 23.1 | 987 |
| 1998-03-21 08:00 | -15.9°S, 165.1°E | Category 2 Tropical Cyclone | 33.4 | 980 |
| 1998-03-22 02:00 | -17.3°S, 167.1°E | Category 3 tropical cyclone | 43.7 | 970 |
| 1998-03-22 20:00 | -19.5°S, 169.3°E | Category 3 tropical cyclone | 36 | 965 |
| 1998-03-23 14:00 | -21.3°S, 169.5°E | Category 2 Tropical Cyclone | 30.9 | 980 |
| 1998-03-24 08:00 | -23.9°S, 165.5°E | Category 2 Tropical Cyclone | 30.9 | 985 |
| 1998-03-25 02:00 | -24.7°S, 162.4°E | Category 2 Tropical Cyclone | 30.9 | 987 |
| 1998-03-25 20:00 | -25.8°S, 160.2°E | Category 1 Tropical Cyclone | 23.1 | 992 |
| 1998-03-26 14:00 | -26.4°S, 158.4°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1998-03-27 08:00 | -30.1°S, 158.0°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1998-03-28 02:00 | -35.2°S, 159.2°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1998-03-28 20:00 | -40.5°S, 164.3°E | Category 2 Tropical Cyclone | 30.4 | 980 |
| 1998-03-29 14:00 | -52.0°S, 175.0°E | Category 2 Tropical Cyclone | 30.4 | 961 |
| 1998-03-30 08:00 | -61.5°S, 180.0°E | Category 2 Tropical Cyclone | 30.4 | 944 |
| 1998-03-31 02:00 | -67.5°S, 170.0°E | Category 2 Tropical Cyclone | 30.4 | 952 |
| 1998-03-31 08:00 | -68.5°S, 161.0°E | Category 2 Tropical Cyclone | 30.4 | 954 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1998076S11170 / SH291998. This area has no official Chinese name, so the original English name is used. Intensities follow the classifications of the relevant local agency, converted from 1-minute sustained winds using WMO factors, and are for reference only. Data notes · Incorrect translation?
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