Tropical Cyclone Wilma
● 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.
Wilma at 1975-03-10 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 30.9 m/s (1 分钟平均) , minimum central pressure 980 hPa, at 1975-03-16 08:00:00前后结束, total 记录 23 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1975-03-10 20:00 | -10.5°S, 133.8°E | Tropical Depression | 7.7 | - |
| 1975-03-11 02:00 | -10.5°S, 134.2°E | Tropical Depression | 7.7 | 998 |
| 1975-03-11 08:00 | -10.5°S, 133.6°E | Tropical Depression | 7.7 | 995 |
| 1975-03-11 14:00 | -10.5°S, 133.0°E | Tropical Depression | 10.3 | 995 |
| 1975-03-11 20:00 | -10.5°S, 132.5°E | Tropical Depression | 10.3 | 990 |
| 1975-03-12 02:00 | -10.6°S, 132.0°E | Tropical Depression | 7.7 | 985 |
| 1975-03-12 08:00 | -10.7°S, 131.6°E | Tropical Depression | 7.7 | 985 |
| 1975-03-12 14:00 | -10.8°S, 131.1°E | Tropical Depression | 10.3 | 985 |
| 1975-03-12 20:00 | -11.0°S, 130.5°E | Tropical Depression | 10.3 | 990 |
| 1975-03-13 02:00 | -11.3°S, 130.0°E | Tropical Depression | 10.3 | 990 |
| 1975-03-13 08:00 | -11.7°S, 129.6°E | Tropical Depression | 10.3 | 990 |
| 1975-03-13 14:00 | -12.2°S, 129.2°E | Tropical Depression | 10.3 | 990 |
| 1975-03-13 20:00 | -12.6°S, 128.8°E | Tropical Depression | 12.9 | 990 |
| 1975-03-14 02:00 | -13.2°S, 128.6°E | Category 1 Tropical Cyclone | 20.6 | 985 |
| 1975-03-14 08:00 | -13.7°S, 128.3°E | Category 1 Tropical Cyclone | 25.7 | 985 |
| 1975-03-14 14:00 | -14.5°S, 128.2°E | Category 2 Tropical Cyclone | 30.9 | 980 |
| 1975-03-14 20:00 | -15.2°S, 128.0°E | Category 2 Tropical Cyclone | 27.8 | 980 |
| 1975-03-15 02:00 | -15.9°S, 128.1°E | Tropical Cyclone | - | - |
| 1975-03-15 08:00 | -16.5°S, 128.3°E | Tropical Depression | 13.9 | 994 |
| 1975-03-15 14:00 | -17.2°S, 128.6°E | Tropical Cyclone | - | - |
| 1975-03-15 20:00 | -18.0°S, 128.9°E | Tropical Cyclone | - | - |
| 1975-03-16 02:00 | -18.9°S, 129.3°E | Tropical Cyclone | - | - |
| 1975-03-16 08:00 | -19.8°S, 129.7°E | Tropical Depression | 8.2 | 1000 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1975070S11134 / SH251975. 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 relevant sea area, converted from 1-minute sustained wind speeds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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