Tropical Cyclone Chalane
● 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).
Chalane at 2020-12-20 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Cyclone , max wind 约 36 m/s (1 分钟平均) , minimum central pressure 975 hPa, at 2021-01-04 14:00:00前后结束, total 记录 61 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2020-12-20 14:00 | -11.4°S, 64.9°E | Tropical Disturbance | 12.3 | 1007 |
| 2020-12-21 08:00 | -12.3°S, 64.3°E | Tropical Disturbance | 12.9 | 1006 |
| 2020-12-22 02:00 | -12.9°S, 62.2°E | Tropical Disturbance | 7.7 | 1004 |
| 2020-12-22 20:00 | -14.1°S, 62.0°E | Tropical Disturbance | 10.3 | 1002 |
| 2020-12-23 14:00 | -14.7°S, 60.9°E | Tropical Disturbance | 15.4 | 999 |
| 2020-12-24 08:00 | -14.8°S, 60.1°E | Tropical Disturbance | 15.4 | 996 |
| 2020-12-25 02:00 | -15.5°S, 57.6°E | Tropical Disturbance | 15.4 | 998 |
| 2020-12-25 20:00 | -16.0°S, 55.0°E | Tropical Depression | 18 | 1001 |
| 2020-12-26 14:00 | -16.3°S, 52.5°E | Tropical Disturbance | 15.4 | 1002 |
| 2020-12-27 08:00 | -17.7°S, 48.8°E | Tropical Disturbance | 15.4 | 1001 |
| 2020-12-28 02:00 | -19.2°S, 45.7°E | Tropical Disturbance | 12.9 | 1004 |
| 2020-12-28 20:00 | -20.0°S, 42.6°E | Moderate Tropical Storm | 20.6 | 998 |
| 2020-12-29 14:00 | -19.7°S, 39.7°E | Moderate Tropical Storm | 25.7 | 987 |
| 2020-12-30 08:00 | -19.3°S, 35.9°E | Tropical Cyclone | 36 | 975 |
| 2020-12-31 02:00 | -19.4°S, 29.7°E | Tropical Depression | 12.9 | 1006 |
| 2020-12-31 20:00 | -20.6°S, 25.7°E | Tropical Cyclone | - | - |
| 2021-01-01 14:00 | -21.6°S, 21.7°E | Tropical Cyclone | - | - |
| 2021-01-02 08:00 | -20.7°S, 18.0°E | Tropical Cyclone | - | - |
| 2021-01-03 02:00 | -20.5°S, 14.6°E | Tropical Depression | 8.2 | - |
| 2021-01-03 20:00 | -21.5°S, 12.5°E | Tropical Disturbance | - | - |
| 2021-01-04 14:00 | -22.9°S, 11.3°E | Tropical Disturbance | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2020355S11065 / SH072021. 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 basin, based on 1-minute sustained wind converted using the WMO scale, for reference only. Data notes · Incorrect translation?
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