Tropical Cyclone Winnie
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
Winnie at 1978-03-16 08:00:00 (BeijingTime) 在South Indian Ocean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 945 hPa, at 1978-03-29 08:00:00前后结束, total 记录 53 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1978-03-16 08:00 | -13.6°S, 83.8°E | Tropical Disturbance | 12.9 | 1003 |
| 1978-03-17 02:00 | -13.8°S, 84.2°E | Tropical Disturbance | 15.4 | 1000 |
| 1978-03-17 20:00 | -13.9°S, 84.6°E | Moderate Tropical Storm | 20.6 | 993 |
| 1978-03-18 14:00 | -13.9°S, 85.3°E | Moderate Tropical Storm | 23.1 | 989 |
| 1978-03-19 08:00 | -13.2°S, 86.5°E | Severe Tropical Storm | 28.3 | 985 |
| 1978-03-20 02:00 | -13.1°S, 88.3°E | Tropical Cyclone | 36 | 973 |
| 1978-03-20 20:00 | -14.3°S, 89.6°E | Tropical Cyclone | 46.3 | 958 |
| 1978-03-21 14:00 | -15.5°S, 91.0°E | Category 4 tropical cyclone | 51.4 | 950 |
| 1978-03-22 08:00 | -15.7°S, 93.3°E | Category 3 tropical cyclone | 41.2 | 967 |
| 1978-03-23 02:00 | -17.0°S, 95.3°E | Category 3 tropical cyclone | 41.2 | 967 |
| 1978-03-23 20:00 | -17.0°S, 94.6°E | Category 3 tropical cyclone | 36 | 973 |
| 1978-03-24 14:00 | -16.2°S, 95.1°E | Category 2 Tropical Cyclone | 30.9 | 981 |
| 1978-03-25 08:00 | -17.0°S, 93.8°E | Category 2 Tropical Cyclone | 28.3 | 983 |
| 1978-03-26 02:00 | -18.3°S, 92.1°E | Category 2 Tropical Cyclone | 28.3 | 985 |
| 1978-03-26 20:00 | -19.9°S, 89.6°E | Severe Tropical Storm | 28.3 | 986 |
| 1978-03-27 14:00 | -22.9°S, 88.8°E | Moderate Tropical Storm | 25.7 | 990 |
| 1978-03-28 08:00 | -27.0°S, 87.4°E | Moderate Tropical Storm | 20.6 | 994 |
| 1978-03-29 02:00 | -34.5°S, 88.4°E | Tropical Disturbance | 15.4 | 1001 |
| 1978-03-29 08:00 | -37.7°S, 89.5°E | Tropical Disturbance | 12.9 | 1003 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1978075S14084 / SH271978. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the local agency classification for the basin, converted from 1-minute sustained wind using the WMO scale factor, and are for reference only. Data notes · Incorrect translation?
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