Unnamed North Indian Ocean cyclone of 1991
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
未命名 at 1991-01-15 02:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为Depressions, max wind 约 18 m/s (1 分钟平均) , at 1991-01-20 14:00:00前后结束, total 记录 23 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1991-01-15 02:00 | 2.3°N, 86.5°E | Depressions | 10.3 | - |
| 1991-01-15 08:00 | 3.3°N, 85.6°E | Depressions | 10.3 | - |
| 1991-01-15 14:00 | 3.9°N, 84.6°E | Depressions | 10.3 | - |
| 1991-01-15 20:00 | 4.3°N, 83.6°E | Depressions | 10.3 | - |
| 1991-01-16 02:00 | 4.6°N, 82.6°E | Depressions | 10.3 | - |
| 1991-01-16 08:00 | 4.9°N, 81.5°E | Depressions | 10.3 | - |
| 1991-01-16 14:00 | 5.0°N, 80.4°E | Depressions | 10.3 | - |
| 1991-01-16 20:00 | 4.9°N, 79.3°E | Depressions | 10.3 | - |
| 1991-01-17 02:00 | 4.7°N, 78.2°E | Depressions | 10.3 | - |
| 1991-01-17 08:00 | 4.4°N, 77.1°E | Depressions | 12.9 | - |
| 1991-01-17 14:00 | 3.9°N, 76.1°E | Deep Depression | 15.4 | - |
| 1991-01-17 20:00 | 3.7°N, 75.5°E | Deep Depression | 18 | - |
| 1991-01-18 02:00 | 3.6°N, 75.0°E | Deep Depression | 18 | - |
| 1991-01-18 08:00 | 3.6°N, 74.5°E | Deep Depression | 18 | - |
| 1991-01-18 14:00 | 3.6°N, 74.0°E | Deep Depression | 18 | - |
| 1991-01-18 20:00 | 3.9°N, 73.3°E | Deep Depression | 18 | - |
| 1991-01-19 02:00 | 4.5°N, 72.3°E | Deep Depression | 18 | - |
| 1991-01-19 08:00 | 4.9°N, 71.2°E | Deep Depression | 18 | - |
| 1991-01-19 14:00 | 5.1°N, 69.8°E | Deep Depression | 15.4 | - |
| 1991-01-19 20:00 | 5.1°N, 68.4°E | Deep Depression | 15.4 | - |
| 1991-01-20 02:00 | 5.1°N, 67.2°E | Deep Depression | 15.4 | - |
| 1991-01-20 08:00 | 5.1°N, 66.0°E | Deep Depression | 15.4 | - |
| 1991-01-20 14:00 | 5.3°N, 65.3°E | Depressions | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1991015N02087 / IO011991. This sea area has no official Chinese name, so it is shown under the original English name. Intensity categories follow the classification of the local agency in the basin (converted from 1-min sustained wind by the WMO factor), for reference only. Data notes · Incorrect translation?
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