Tropical Cyclone Alistair
● 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).
Alistair at 2001-04-15 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 33.4 m/s (1 分钟平均) , minimum central pressure 975 hPa, at 2001-04-24 08:00:00前后结束, total 记录 35 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2001-04-15 20:00 | -7.5°S, 137.0°E | Tropical Depression | 11.3 | 1008 |
| 2001-04-16 08:00 | -8.2°S, 135.5°E | Tropical Depression | 12.9 | 1003 |
| 2001-04-16 20:00 | -9.2°S, 133.6°E | Tropical Depression | 18 | 1000 |
| 2001-04-17 08:00 | -10.2°S, 131.6°E | Tropical Depression | 18 | 991 |
| 2001-04-17 20:00 | -11.2°S, 129.3°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 2001-04-18 08:00 | -12.6°S, 126.9°E | Category 1 Tropical Cyclone | 25.7 | 985 |
| 2001-04-18 20:00 | -14.3°S, 124.3°E | Category 2 Tropical Cyclone | 28.3 | 978 |
| 2001-04-19 08:00 | -15.9°S, 122.1°E | Category 2 Tropical Cyclone | 33.4 | 975 |
| 2001-04-19 20:00 | -17.1°S, 119.6°E | Category 2 Tropical Cyclone | 30.9 | 980 |
| 2001-04-20 08:00 | -17.9°S, 116.4°E | Category 2 Tropical Cyclone | 28.3 | 985 |
| 2001-04-20 20:00 | -18.9°S, 113.6°E | Category 1 Tropical Cyclone | 23.1 | 990 |
| 2001-04-21 08:00 | -20.0°S, 111.8°E | Category 1 Tropical Cyclone | 20.6 | 990 |
| 2001-04-21 20:00 | -21.1°S, 110.1°E | Tropical Depression | 18 | 990 |
| 2001-04-22 08:00 | -21.9°S, 109.2°E | Tropical Depression | 12.9 | 990 |
| 2001-04-22 20:00 | -23.1°S, 109.2°E | Tropical Depression | 12.9 | 990 |
| 2001-04-23 08:00 | -24.1°S, 109.7°E | Tropical Depression | 12.9 | 990 |
| 2001-04-23 20:00 | -24.2°S, 111.5°E | Tropical Depression | 12.9 | 990 |
| 2001-04-24 08:00 | -24.8°S, 114.6°E | Tropical Depression | 15.4 | 1001 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2001106S08137 / SH202001. There is no official Chinese name for this basin, so the original English name is used. Categories follow the local agency classification for the region, converted from 1-min sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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