Tropical Cyclone Willy
● 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).
Willy at 1984-02-02 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 960 hPa, at 1984-02-11 08:00:00前后结束, total 记录 37 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-02-02 08:00 | -11.5°S, 114.5°E | Tropical Depression | 13.9 | 1004 |
| 1984-02-02 20:00 | -11.2°S, 111.8°E | Tropical Depression | 13.9 | 1004 |
| 1984-02-03 08:00 | -10.1°S, 110.5°E | Tropical Depression | 13.9 | 1005 |
| 1984-02-03 20:00 | -9.6°S, 111.4°E | Tropical Depression | 13.9 | 1004 |
| 1984-02-04 08:00 | -9.8°S, 112.4°E | Tropical Depression | 13.9 | 1002 |
| 1984-02-04 20:00 | -10.0°S, 112.8°E | Tropical Depression | 13.9 | 1001 |
| 1984-02-05 08:00 | -10.2°S, 113.1°E | Tropical Depression | 13.9 | 1000 |
| 1984-02-05 20:00 | -10.7°S, 113.8°E | Tropical Depression | 16.5 | 998 |
| 1984-02-06 08:00 | -12.2°S, 112.9°E | Tropical Depression | 12.9 | 994 |
| 1984-02-06 20:00 | -13.5°S, 110.7°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 1984-02-07 08:00 | -14.3°S, 109.4°E | Category 1 Tropical Cyclone | 25.7 | 980 |
| 1984-02-07 20:00 | -15.3°S, 107.7°E | Category 2 Tropical Cyclone | 28.3 | 970 |
| 1984-02-08 08:00 | -16.5°S, 105.9°E | Category 2 Tropical Cyclone | 28.3 | 965 |
| 1984-02-08 20:00 | -17.4°S, 103.8°E | Category 2 Tropical Cyclone | 28.3 | 964 |
| 1984-02-09 08:00 | -18.4°S, 101.1°E | Category 1 Tropical Cyclone | 20.6 | 970 |
| 1984-02-09 20:00 | -20.3°S, 96.9°E | Tropical Depression | 18 | 994 |
| 1984-02-10 08:00 | -24.0°S, 93.0°E | Tropical Depression | 12.9 | 1002 |
| 1984-02-10 20:00 | -27.8°S, 92.5°E | Tropical Depression | 13.9 | 1004 |
| 1984-02-11 08:00 | -29.3°S, 90.9°E | Tropical Depression | 11.3 | 1008 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984033S12115 / SH191984. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the classification of the local agency in the relevant sea area, converted from 1-min sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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