Tropical Cyclone Leah
● 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.
Leah at 1973-02-26 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 19.5 m/s (1 分钟平均) , minimum central pressure 994 hPa, at 1973-03-11 08:00:00前后结束, total 记录 51 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-02-26 20:00 | -10.6°S, 138.2°E | Tropical Cyclone | - | - |
| 1973-02-27 14:00 | -11.5°S, 139.8°E | Tropical Depression | 16.5 | 996 |
| 1973-02-28 08:00 | -12.6°S, 139.4°E | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1973-03-01 02:00 | -14.0°S, 136.1°E | Tropical Depression | 16.5 | 996 |
| 1973-03-01 20:00 | -13.8°S, 132.5°E | Tropical Cyclone | - | - |
| 1973-03-02 14:00 | -13.3°S, 128.7°E | Tropical Cyclone | - | - |
| 1973-03-03 08:00 | -13.2°S, 125.2°E | Tropical Cyclone | - | - |
| 1973-03-04 02:00 | -14.1°S, 120.4°E | Tropical Cyclone | - | - |
| 1973-03-04 20:00 | -14.8°S, 112.6°E | Tropical Cyclone | - | - |
| 1973-03-05 14:00 | -16.7°S, 108.4°E | Tropical Cyclone | - | - |
| 1973-03-06 08:00 | -18.4°S, 105.7°E | Tropical Cyclone | - | - |
| 1973-03-07 02:00 | -19.3°S, 102.2°E | Tropical Cyclone | - | - |
| 1973-03-07 20:00 | -20.2°S, 100.2°E | Tropical Cyclone | - | - |
| 1973-03-08 14:00 | -21.1°S, 98.9°E | Tropical Cyclone | - | - |
| 1973-03-09 08:00 | -21.9°S, 97.6°E | Tropical Cyclone | - | - |
| 1973-03-10 02:00 | -22.0°S, 97.5°E | Tropical Cyclone | - | - |
| 1973-03-10 20:00 | -21.9°S, 95.2°E | Tropical Cyclone | - | - |
| 1973-03-11 08:00 | -20.5°S, 90.4°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1973058S11138 / SH251973. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow the local agency's classification for the basin (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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