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 1997-05-13 08:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为极强The Cyclone Storm, max wind 约 59.2 m/s (1 分钟平均) , minimum central pressure 964 hPa, at 1997-05-20 14:00:00前后结束, total 记录 30 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1997-05-13 08:00 | 3.2°N, 91.9°E | Depressions | 7.7 | - |
| 1997-05-13 20:00 | 3.5°N, 91.8°E | Depressions | 7.7 | - |
| 1997-05-14 08:00 | 4.0°N, 91.6°E | Depressions | 10.3 | - |
| 1997-05-14 20:00 | 5.1°N, 91.4°E | Deep Depression | 15.4 | - |
| 1997-05-15 08:00 | 7.2°N, 90.4°E | The Cyclone Storm | 20.6 | - |
| 1997-05-15 20:00 | 8.0°N, 90.4°E | 强The Cyclone Storm | 25.7 | 1000 |
| 1997-05-16 08:00 | 8.8°N, 90.6°E | 强The Cyclone Storm | 25.7 | 1002 |
| 1997-05-16 20:00 | 10.3°N, 91.2°E | 强The Cyclone Storm | 28.3 | 999 |
| 1997-05-17 08:00 | 11.8°N, 91.5°E | 强The Cyclone Storm | 33.4 | 998 |
| 1997-05-17 20:00 | 14.2°N, 90.9°E | 特强The Cyclone Storm | 38.6 | 986 |
| 1997-05-18 08:00 | 16.1°N, 90.6°E | 特强The Cyclone Storm | 46.3 | 986 |
| 1997-05-18 20:00 | 18.2°N, 90.5°E | 极强The Cyclone Storm | 51.4 | 980 |
| 1997-05-19 08:00 | 20.1°N, 90.8°E | 极强The Cyclone Storm | 56.6 | 968 |
| 1997-05-19 20:00 | 22.1°N, 91.6°E | 极强The Cyclone Storm | 59.2 | 964 |
| 1997-05-20 08:00 | 25.5°N, 94.7°E | 强The Cyclone Storm | 33.4 | - |
| 1997-05-20 14:00 | 27.8°N, 97.5°E | 强The Cyclone Storm | 25.7 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1997133N03092 / IO011997. There is no official Chinese name for this system, so the original English name is used. Intensity is classified by the local agency for the region and converted from 1-minute sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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