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 1977-11-14 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 1977-11-20 20:00:00前后结束, total 记录 27 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-11-14 08:00 | 6.0°N, 92.5°E | Tropical Cyclone | - | - |
| 1977-11-14 20:00 | 6.0°N, 90.9°E | Tropical Cyclone | - | - |
| 1977-11-15 08:00 | 6.1°N, 90.1°E | Tropical Cyclone | - | - |
| 1977-11-15 20:00 | 6.5°N, 86.7°E | Severe Cyclonic Storm | 28.3 | - |
| 1977-11-16 08:00 | 7.0°N, 85.7°E | 特Severe Cyclonic Storm | 36 | - |
| 1977-11-16 20:00 | 8.6°N, 84.3°E | 特Severe Cyclonic Storm | 41.2 | - |
| 1977-11-17 08:00 | 9.7°N, 83.7°E | 特Severe Cyclonic Storm | 46.3 | - |
| 1977-11-17 20:00 | 11.0°N, 83.1°E | 极Severe Cyclonic Storm | 48.9 | - |
| 1977-11-18 08:00 | 12.5°N, 82.5°E | 极Severe Cyclonic Storm | 51.4 | - |
| 1977-11-18 20:00 | 13.8°N, 81.8°E | 极Severe Cyclonic Storm | 54 | - |
| 1977-11-19 08:00 | 14.8°N, 81.2°E | 极Severe Cyclonic Storm | 56.6 | - |
| 1977-11-19 20:00 | 16.2°N, 80.5°E | 极Severe Cyclonic Storm | 54 | - |
| 1977-11-20 08:00 | 17.5°N, 80.2°E | Tropical Cyclone | - | - |
| 1977-11-20 20:00 | 18.4°N, 80.3°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1977318N06093 / IO061977. The basin has no official Chinese name, so the original English name is used. Intensity is classified by the regional agency for the basin, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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