Cyclone Yaas
● 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).
Yaas at 2021-05-23 08:00:00 (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 2021-05-28 02:00:00前后结束, total 记录 20 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2021-05-23 08:00 | 15.5°N, 90.0°E | Depressions | 10.3 | 1000 |
| 2021-05-23 14:00 | 15.6°N, 89.8°E | Depressions | 12.9 | 996 |
| 2021-05-23 20:00 | 15.7°N, 89.6°E | Deep Depression | 15.4 | 994 |
| 2021-05-24 02:00 | 15.8°N, 89.5°E | Deep Depression | 18 | 992 |
| 2021-05-24 08:00 | 16.1°N, 89.8°E | Deep Depression | 18 | 990 |
| 2021-05-24 14:00 | 16.6°N, 89.6°E | Deep Depression | 18 | 988 |
| 2021-05-24 20:00 | 17.2°N, 89.4°E | The Cyclone Storm | 20.6 | 986 |
| 2021-05-25 02:00 | 17.6°N, 89.0°E | 强The Cyclone Storm | 25.7 | 984 |
| 2021-05-25 08:00 | 18.1°N, 88.6°E | 强The Cyclone Storm | 28.3 | 980 |
| 2021-05-25 14:00 | 18.8°N, 88.2°E | 强The Cyclone Storm | 28.3 | 978 |
| 2021-05-25 20:00 | 19.5°N, 88.2°E | 强The Cyclone Storm | 33.4 | 976 |
| 2021-05-26 02:00 | 20.3°N, 87.8°E | 强The Cyclone Storm | 33.4 | 974 |
| 2021-05-26 08:00 | 20.6°N, 87.6°E | 强The Cyclone Storm | 30.9 | 970 |
| 2021-05-26 14:00 | 21.5°N, 86.9°E | 强The Cyclone Storm | 28.3 | 970 |
| 2021-05-26 20:00 | 21.9°N, 86.5°E | The Cyclone Storm | 23.1 | 984 |
| 2021-05-27 02:00 | 22.5°N, 85.8°E | Deep Depression | 18 | 988 |
| 2021-05-27 08:00 | 23.1°N, 85.7°E | Depressions | 12.9 | 988 |
| 2021-05-27 14:00 | 23.6°N, 85.6°E | Depressions | 10.3 | 991 |
| 2021-05-27 20:00 | 24.3°N, 85.3°E | Depressions | 13.4 | 992 |
| 2021-05-28 02:00 | 24.7°N, 84.8°E | Depressions | 13.4 | 992 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2021143N15090 / IO022021. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow the local agency's classification for the region (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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