Tropical Cyclone Les
● 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).
Les at 1998-01-22 02:00:00 (BeijingTime) 在South Indian Ocean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 980 hPa, at 1998-02-02 14:00:00前后结束, total 记录 47 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1998-01-22 02:00 | -14.9°S, 143.0°E | Tropical Depression | 7.7 | - |
| 1998-01-22 14:00 | -15.0°S, 142.5°E | Tropical Depression | 10.3 | 999 |
| 1998-01-23 02:00 | -14.1°S, 142.5°E | Tropical Depression | 10.3 | 1000 |
| 1998-01-23 14:00 | -14.2°S, 141.8°E | Tropical Depression | 10.3 | 998 |
| 1998-01-24 02:00 | -14.1°S, 139.9°E | Tropical Depression | 15.4 | 994 |
| 1998-01-24 14:00 | -13.8°S, 138.4°E | Tropical Depression | 18 | 986 |
| 1998-01-25 02:00 | -14.3°S, 136.6°E | Category 1 Tropical Cyclone | 23.1 | 980 |
| 1998-01-25 14:00 | -14.5°S, 135.0°E | Category 1 Tropical Cyclone | 23.1 | 996 |
| 1998-01-26 02:00 | -14.7°S, 134.0°E | Tropical Depression | 15.4 | 1002 |
| 1998-01-26 14:00 | -15.3°S, 133.1°E | Tropical Depression | 12.9 | 1001 |
| 1998-01-27 02:00 | -15.6°S, 132.8°E | Tropical Depression | 12.9 | 1002 |
| 1998-01-27 14:00 | -15.8°S, 132.1°E | Tropical Depression | 10.3 | 1002 |
| 1998-01-28 02:00 | -15.2°S, 130.8°E | Tropical Depression | 10.3 | 1002 |
| 1998-01-28 14:00 | -14.5°S, 130.0°E | Tropical Depression | 12.9 | 1000 |
| 1998-01-29 02:00 | -14.1°S, 129.3°E | Tropical Depression | 18 | 998 |
| 1998-01-29 14:00 | -14.3°S, 127.9°E | Tropical Depression | 18 | 997 |
| 1998-01-30 02:00 | -14.8°S, 127.1°E | Category 1 Tropical Cyclone | 20.6 | 998 |
| 1998-01-30 14:00 | -15.4°S, 126.1°E | Tropical Depression | 18 | 998 |
| 1998-01-31 02:00 | -16.2°S, 124.3°E | Tropical Depression | 18 | 998 |
| 1998-01-31 14:00 | -16.9°S, 123.3°E | Category 1 Tropical Cyclone | 23.1 | 998 |
| 1998-02-01 02:00 | -18.2°S, 122.7°E | Category 1 Tropical Cyclone | 20.6 | 1000 |
| 1998-02-01 14:00 | -19.6°S, 122.3°E | Tropical Depression | 18 | - |
| 1998-02-02 02:00 | -20.9°S, 122.7°E | Tropical Depression | 15.4 | - |
| 1998-02-02 14:00 | -21.7°S, 122.7°E | Tropical Depression | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1998022S15143 / SH141998. There is no official Chinese name for this system, so the original English name is used. Intensity is classified by the regional agency for the basin, based on 1-minute sustained winds converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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