Tropical Cyclone Alby
● 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.
Alby at 1978-03-27 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 4 tropical cyclone , max wind 约 59.2 m/s (1 分钟平均) , at 1978-04-05 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 |
|---|
| 1978-03-27 08:00 | -13.7°S, 115.0°E | Tropical Depression | 12.9 | - |
| 1978-03-27 20:00 | -14.1°S, 114.5°E | Tropical Depression | 12.9 | - |
| 1978-03-28 08:00 | -14.6°S, 113.7°E | Tropical Depression | 15.4 | - |
| 1978-03-28 20:00 | -14.9°S, 112.8°E | Tropical Depression | 15.4 | - |
| 1978-03-29 08:00 | -15.8°S, 112.2°E | Tropical Depression | 18 | - |
| 1978-03-29 20:00 | -16.7°S, 111.9°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1978-03-30 08:00 | -17.6°S, 111.6°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-03-30 20:00 | -18.3°S, 111.1°E | Category 2 Tropical Cyclone | 33.4 | - |
| 1978-03-31 08:00 | -18.8°S, 110.1°E | Category 3 tropical cyclone | 38.6 | - |
| 1978-03-31 20:00 | -19.2°S, 109.3°E | Category 3 tropical cyclone | 46.3 | - |
| 1978-04-01 08:00 | -19.8°S, 108.3°E | Category 4 tropical cyclone | 51.4 | - |
| 1978-04-01 20:00 | -20.6°S, 106.9°E | Category 4 tropical cyclone | 56.6 | - |
| 1978-04-02 08:00 | -21.4°S, 105.9°E | Category 4 tropical cyclone | 59.2 | - |
| 1978-04-02 20:00 | -22.0°S, 106.0°E | Category 4 tropical cyclone | 59.2 | - |
| 1978-04-03 08:00 | -23.5°S, 106.4°E | Category 4 tropical cyclone | 56.6 | - |
| 1978-04-03 20:00 | -26.1°S, 107.3°E | Category 4 tropical cyclone | 51.4 | - |
| 1978-04-04 08:00 | -29.8°S, 109.5°E | Category 3 tropical cyclone | 46.3 | - |
| 1978-04-04 20:00 | -34.9°S, 114.6°E | Category 3 tropical cyclone | 38.6 | - |
| 1978-04-05 08:00 | -41.8°S, 126.3°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1978086S14115 / SH291978. This area has no official Chinese name, so the original English name is used. Categories follow the local agency classification for the region (converted from 1-min sustained winds using WMO factors), for reference only. Data notes · Incorrect translation?
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