Cyclone Helen
● 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).
Helen at 2013-11-18 08:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为特强The Cyclone Storm, max wind 约 36 m/s (1 分钟平均) , minimum central pressure 990 hPa, at 2013-11-23 14:00:00前后结束, total 记录 22 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2013-11-18 08:00 | 13.3°N, 90.0°E | Depressions | 10.3 | 1007 |
| 2013-11-18 14:00 | 14.0°N, 88.9°E | Depressions | 12.9 | 1004 |
| 2013-11-18 20:00 | 14.7°N, 87.8°E | Depressions | 12.9 | 1004 |
| 2013-11-19 02:00 | 14.8°N, 86.9°E | Depressions | 12.9 | 1004 |
| 2013-11-19 08:00 | 14.7°N, 86.2°E | Deep Depression | 18 | 1004 |
| 2013-11-19 14:00 | 14.8°N, 85.6°E | Deep Depression | 18 | 1004 |
| 2013-11-19 20:00 | 15.0°N, 85.1°E | The Cyclone Storm | 20.6 | 1004 |
| 2013-11-20 02:00 | 15.0°N, 84.5°E | The Cyclone Storm | 20.6 | 1002 |
| 2013-11-20 08:00 | 15.1°N, 84.1°E | 强The Cyclone Storm | 25.7 | 1002 |
| 2013-11-20 14:00 | 15.3°N, 84.1°E | 强The Cyclone Storm | 25.7 | 1000 |
| 2013-11-20 20:00 | 15.4°N, 84.0°E | 强The Cyclone Storm | 28.3 | 998 |
| 2013-11-21 02:00 | 15.5°N, 83.8°E | 强The Cyclone Storm | 30.9 | 996 |
| 2013-11-21 08:00 | 15.7°N, 83.6°E | 强The Cyclone Storm | 33.4 | 994 |
| 2013-11-21 14:00 | 15.9°N, 83.3°E | 特强The Cyclone Storm | 36 | 990 |
| 2013-11-21 20:00 | 16.1°N, 83.0°E | 强The Cyclone Storm | 33.4 | 990 |
| 2013-11-22 02:00 | 16.2°N, 82.6°E | 强The Cyclone Storm | 33.4 | 990 |
| 2013-11-22 08:00 | 16.2°N, 82.0°E | 强The Cyclone Storm | 30.9 | 990 |
| 2013-11-22 14:00 | 16.2°N, 81.4°E | 强The Cyclone Storm | 28.3 | 990 |
| 2013-11-22 20:00 | 15.8°N, 80.8°E | Deep Depression | 15.4 | 1002 |
| 2013-11-23 02:00 | 16.1°N, 80.2°E | Depressions | 12.9 | 1004 |
| 2013-11-23 08:00 | 16.5°N, 79.4°E | Depressions | 10.3 | 1007 |
| 2013-11-23 14:00 | 17.2°N, 78.8°E | Depressions | 10.3 | 1007 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2013322N13090 / IO042013. There is no official Chinese name for this system, so the original English name is shown. Intensity is classified by the regional agency in the basin, based on the WMO conversion of 1-minute sustained winds, for reference only. Data notes · Incorrect translation?
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