Tropical Cyclone Leonie
● 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.
Leonie at 1969-03-29 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , at 1969-04-07 08:00:00前后结束, total 记录 37 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1969-03-29 08:00 | -10.2°S, 97.1°E | Tropical Depression | 5.1 | - |
| 1969-03-29 20:00 | -11.8°S, 98.0°E | Tropical Depression | 7.7 | - |
| 1969-03-30 08:00 | -13.6°S, 98.7°E | Tropical Depression | 5.1 | - |
| 1969-03-30 20:00 | -13.9°S, 98.5°E | Tropical Depression | 10.3 | - |
| 1969-03-31 08:00 | -14.1°S, 98.1°E | Tropical Depression | 7.7 | - |
| 1969-03-31 20:00 | -14.9°S, 98.0°E | Tropical Depression | 15.4 | - |
| 1969-04-01 08:00 | -15.9°S, 98.0°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1969-04-01 20:00 | -16.9°S, 98.5°E | Tropical Depression | 12.9 | - |
| 1969-04-02 08:00 | -18.0°S, 98.9°E | Tropical Depression | 7.7 | - |
| 1969-04-02 20:00 | -19.8°S, 99.0°E | Tropical Depression | 10.3 | - |
| 1969-04-03 08:00 | -21.7°S, 99.0°E | Tropical Depression | 15.4 | - |
| 1969-04-03 20:00 | -21.9°S, 99.0°E | Tropical Depression | 12.9 | - |
| 1969-04-04 08:00 | -22.1°S, 99.0°E | Tropical Depression | 7.7 | - |
| 1969-04-04 20:00 | -23.8°S, 99.8°E | Tropical Depression | 7.7 | - |
| 1969-04-05 08:00 | -25.8°S, 101.1°E | Tropical Depression | 15.4 | - |
| 1969-04-05 20:00 | -28.2°S, 105.1°E | Tropical Depression | 10.3 | - |
| 1969-04-06 08:00 | -29.9°S, 109.7°E | Tropical Depression | 10.3 | - |
| 1969-04-06 20:00 | -32.8°S, 114.3°E | Tropical Depression | 15.4 | - |
| 1969-04-07 08:00 | -35.8°S, 119.5°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1969088S10097 / SH301969. There is no official Chinese name for this storm, so the original English name is used. Intensity categories follow the classifications of the local agency in the region, converted from 1-min sustained wind using WMO factors, and are for reference only. Data notes · Incorrect translation?
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