1977North 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 1977-11-09 08:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为极Severe Cyclonic Storm, max wind 约 56.6 m/s (1 分钟平均) , at 1977-11-23 08:00:00前后结束, total 记录 57 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-11-09 08:00 | 8.5°N, 91.6°E | Tropical Cyclone | - | - |
| 1977-11-10 02:00 | 9.9°N, 88.5°E | Tropical Cyclone | - | - |
| 1977-11-10 20:00 | 11.0°N, 84.9°E | Tropical Cyclone | - | - |
| 1977-11-11 14:00 | 10.9°N, 82.0°E | Tropical Cyclone | - | - |
| 1977-11-12 08:00 | 10.7°N, 80.1°E | Tropical Cyclone | - | - |
| 1977-11-13 02:00 | 10.9°N, 76.7°E | Tropical Cyclone | - | - |
| 1977-11-13 20:00 | 11.5°N, 73.3°E | Tropical Cyclone | - | - |
| 1977-11-14 14:00 | 12.3°N, 71.2°E | Tropical Cyclone | - | - |
| 1977-11-15 08:00 | 13.4°N, 68.3°E | Tropical Cyclone | - | - |
| 1977-11-16 02:00 | 13.6°N, 65.9°E | Severe Cyclonic Storm | 33.4 | - |
| 1977-11-16 20:00 | 13.3°N, 65.9°E | 特Severe Cyclonic Storm | 46.3 | - |
| 1977-11-17 14:00 | 12.1°N, 65.9°E | 极Severe Cyclonic Storm | 48.9 | - |
| 1977-11-18 08:00 | 10.8°N, 67.0°E | 极Severe Cyclonic Storm | 54 | - |
| 1977-11-19 02:00 | 10.4°N, 68.1°E | 极Severe Cyclonic Storm | 56.6 | - |
| 1977-11-19 20:00 | 9.9°N, 70.5°E | 极Severe Cyclonic Storm | 48.9 | - |
| 1977-11-20 14:00 | 10.1°N, 72.6°E | Tropical Cyclone | - | - |
| 1977-11-21 08:00 | 10.8°N, 73.8°E | Tropical Cyclone | - | - |
| 1977-11-22 02:00 | 13.5°N, 74.5°E | Tropical Cyclone | - | - |
| 1977-11-22 20:00 | 17.0°N, 75.4°E | Tropical Cyclone | - | - |
| 1977-11-23 08:00 | 18.5°N, 75.5°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1977313N09092 / IO051977. No official Chinese name is available for this basin; the original English name is used. Intensity categories follow the classifications of the local agency in the basin (converted from 1-min sustained wind using the WMO factor), for reference only. Data notes · Incorrect translation?
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