Tropical Cyclone Billy
● 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).
Billy at 2022-03-13 02:00:00 (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 988 hPa, at 2022-03-18 02:00:00前后结束, total 记录 21 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2022-03-13 02:00 | -11.1°S, 107.0°E | Tropical Depression | 13.9 | 1002 |
| 2022-03-13 08:00 | -11.7°S, 106.0°E | Tropical Depression | 12.9 | 1004 |
| 2022-03-13 14:00 | -12.6°S, 105.4°E | Tropical Depression | 12.9 | 1004 |
| 2022-03-13 20:00 | -13.3°S, 104.3°E | Tropical Depression | 15.4 | 1002 |
| 2022-03-14 02:00 | -13.9°S, 103.1°E | Tropical Depression | 18 | 1002 |
| 2022-03-14 08:00 | -14.5°S, 102.0°E | Category 1 Tropical Cyclone | 23.1 | 999 |
| 2022-03-14 14:00 | -15.4°S, 100.8°E | Category 2 Tropical Cyclone | 28.3 | 997 |
| 2022-03-14 20:00 | -16.2°S, 99.8°E | Category 2 Tropical Cyclone | 33.4 | 991 |
| 2022-03-15 02:00 | -16.7°S, 98.8°E | Category 2 Tropical Cyclone | 33.4 | 991 |
| 2022-03-15 08:00 | -16.8°S, 98.1°E | Category 2 Tropical Cyclone | 30.9 | 989 |
| 2022-03-15 14:00 | -17.1°S, 97.3°E | Category 2 Tropical Cyclone | 28.3 | 989 |
| 2022-03-15 20:00 | -17.3°S, 96.4°E | Category 2 Tropical Cyclone | 28.3 | 988 |
| 2022-03-16 02:00 | -17.6°S, 95.4°E | Category 2 Tropical Cyclone | 28.3 | 990 |
| 2022-03-16 08:00 | -17.8°S, 94.6°E | Category 1 Tropical Cyclone | 23.1 | 994 |
| 2022-03-16 14:00 | -18.3°S, 93.6°E | Category 1 Tropical Cyclone | 23.1 | 996 |
| 2022-03-16 20:00 | -19.2°S, 92.9°E | Category 1 Tropical Cyclone | 20.6 | 996 |
| 2022-03-17 02:00 | -19.8°S, 92.6°E | Category 1 Tropical Cyclone | 20.6 | 995 |
| 2022-03-17 08:00 | -20.3°S, 92.7°E | Tropical Depression | 18 | 994 |
| 2022-03-17 14:00 | -21.9°S, 93.1°E | Tropical Depression | 15.4 | 999 |
| 2022-03-17 20:00 | -23.2°S, 93.6°E | Tropical Depression | 15.4 | 1000 |
| 2022-03-18 02:00 | -23.7°S, 93.9°E | Tropical Depression | 15.4 | 1002 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 2022072S11107 / SH202022. There is no official Chinese name for this system, so the original English name is used. Intensity categories follow the local agency classification for the region, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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