Unnamed North Indian Ocean Cyclone of 1997
● 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 1997-07-29 14:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为Depressions, max wind 约 15.9 m/s (1 分钟平均) , minimum central pressure 1002 hPa, at 1997-08-02 14:00:00前后结束, total 记录 17 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1997-07-29 14:00 | 21.0°N, 89.0°E | Depressions | 13.4 | 1006 |
| 1997-07-29 20:00 | 21.0°N, 87.5°E | Depressions | 13.4 | 1006 |
| 1997-07-30 02:00 | 21.0°N, 87.5°E | Depressions | 13.4 | 1006 |
| 1997-07-30 08:00 | 21.0°N, 87.5°E | Depressions | 13.4 | 1004 |
| 1997-07-30 14:00 | 21.0°N, 87.0°E | Deep Depression | 15.9 | 1002 |
| 1997-07-30 20:00 | 21.5°N, 86.5°E | Tropical Cyclone | - | - |
| 1997-07-31 02:00 | 21.5°N, 86.5°E | Tropical Cyclone | - | - |
| 1997-07-31 08:00 | 21.5°N, 86.5°E | Tropical Cyclone | - | - |
| 1997-07-31 14:00 | 22.0°N, 86.0°E | Tropical Cyclone | - | - |
| 1997-07-31 20:00 | 22.5°N, 85.0°E | Tropical Cyclone | - | - |
| 1997-08-01 02:00 | 23.0°N, 83.0°E | Tropical Cyclone | - | - |
| 1997-08-01 08:00 | 24.0°N, 82.0°E | Tropical Cyclone | - | - |
| 1997-08-01 14:00 | 25.0°N, 79.0°E | Tropical Cyclone | - | - |
| 1997-08-01 20:00 | 26.0°N, 78.5°E | Tropical Cyclone | - | - |
| 1997-08-02 02:00 | 26.0°N, 78.4°E | Tropical Cyclone | - | - |
| 1997-08-02 08:00 | 26.5°N, 78.0°E | Tropical Cyclone | - | - |
| 1997-08-02 14:00 | 28.0°N, 77.0°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1997210N21089. There is no official Chinese name for this system, so it is shown under its original English name. Ratings follow the classifications of local agencies in the region (converted from 1-min sustained wind using WMO factors) and are for reference only. Data notes · Incorrect translation?
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