1973North Indian Ocean未命名气旋
● 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.
未命名 at 1973-12-05 08:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为强The Cyclone Storm, max wind 约 30.9 m/s (1 分钟平均) , at 1973-12-09 20:00:00前后结束, total 记录 19 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-12-05 08:00 | 7.4°N, 88.2°E | Tropical Cyclone | - | - |
| 1973-12-05 14:00 | 7.7°N, 87.6°E | Tropical Cyclone | - | - |
| 1973-12-05 20:00 | 8.1°N, 87.1°E | Tropical Cyclone | - | - |
| 1973-12-06 02:00 | 8.4°N, 86.7°E | Tropical Cyclone | - | - |
| 1973-12-06 08:00 | 8.8°N, 86.4°E | Deep Depression | 18 | - |
| 1973-12-06 14:00 | 9.3°N, 86.3°E | The Cyclone Storm | 20.6 | - |
| 1973-12-06 20:00 | 9.8°N, 86.1°E | The Cyclone Storm | 23.1 | - |
| 1973-12-07 02:00 | 10.2°N, 86.0°E | 强The Cyclone Storm | 25.7 | - |
| 1973-12-07 08:00 | 10.8°N, 85.8°E | 强The Cyclone Storm | 28.3 | - |
| 1973-12-07 14:00 | 11.7°N, 85.8°E | 强The Cyclone Storm | 30.9 | - |
| 1973-12-07 20:00 | 12.7°N, 85.8°E | 强The Cyclone Storm | 30.9 | - |
| 1973-12-08 02:00 | 13.6°N, 85.8°E | 强The Cyclone Storm | 30.9 | - |
| 1973-12-08 08:00 | 14.6°N, 85.9°E | 强The Cyclone Storm | 30.9 | - |
| 1973-12-08 14:00 | 15.7°N, 86.1°E | 强The Cyclone Storm | 28.3 | - |
| 1973-12-08 20:00 | 17.0°N, 86.4°E | 强The Cyclone Storm | 28.3 | - |
| 1973-12-09 02:00 | 18.4°N, 87.0°E | 强The Cyclone Storm | 28.3 | - |
| 1973-12-09 08:00 | 20.0°N, 88.0°E | 强The Cyclone Storm | 25.7 | - |
| 1973-12-09 14:00 | 21.6°N, 89.3°E | The Cyclone Storm | 23.1 | - |
| 1973-12-09 20:00 | 23.3°N, 90.9°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1973339N07088 / IO141973. This basin has no official Chinese name, so the original English name is used. Intensity grades follow the classifications of local agencies in the region, converted from 1-minute sustained winds using WMO coefficients, and are provided for reference only. Data notes · Incorrect translation?
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