Cyclone Aila
● 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).
Aila at 2009-05-23 02:00:00 (BeijingTime) 在North Indian Ocean首次被记录, peak intensity 为强The Cyclone Storm, max wind 约 33.4 m/s (1 分钟平均) , minimum central pressure 970 hPa, at 2009-05-26 14:00:00前后结束, total 记录 15 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2009-05-23 02:00 | 16.9°N, 88.8°E | Depressions | 12.9 | 1004 |
| 2009-05-23 08:00 | 16.7°N, 88.8°E | Depressions | 12.9 | 1004 |
| 2009-05-23 14:00 | 16.9°N, 88.8°E | Deep Depression | 15.4 | 998 |
| 2009-05-23 20:00 | 16.9°N, 88.5°E | Deep Depression | 15.4 | 994 |
| 2009-05-24 02:00 | 17.3°N, 88.6°E | Deep Depression | 15.4 | 996 |
| 2009-05-24 08:00 | 17.4°N, 88.5°E | Deep Depression | 18 | 996 |
| 2009-05-24 14:00 | 18.0°N, 88.4°E | Deep Depression | 18 | 988 |
| 2009-05-24 20:00 | 18.5°N, 88.3°E | The Cyclone Storm | 23.1 | 986 |
| 2009-05-25 02:00 | 19.1°N, 88.3°E | 强The Cyclone Storm | 25.7 | 986 |
| 2009-05-25 08:00 | 20.0°N, 88.1°E | 强The Cyclone Storm | 28.3 | 980 |
| 2009-05-25 14:00 | 21.6°N, 88.2°E | 强The Cyclone Storm | 33.4 | 974 |
| 2009-05-25 20:00 | 22.7°N, 88.2°E | 强The Cyclone Storm | 28.3 | 970 |
| 2009-05-26 02:00 | 23.9°N, 88.3°E | The Cyclone Storm | 20.6 | 980 |
| 2009-05-26 08:00 | 25.4°N, 88.4°E | Deep Depression | 15.4 | 982 |
| 2009-05-26 14:00 | 26.9°N, 88.8°E | Depressions | 7.7 | 992 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2009143N17089 / IO022009. This basin has no official Chinese translation, so the original English name is used. Intensity grades follow the classifications of the local agency in the basin, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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