Tropical Cyclone Bobalahy
● 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).
Bobalahy at 1984-12-02 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Severe Tropical Storm, max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 984 hPa, at 1984-12-12 20:00:00前后结束, total 记录 42 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-12-02 14:00 | -10.7°S, 82.1°E | Tropical Disturbance | 12.9 | - |
| 1984-12-03 02:00 | -11.9°S, 81.0°E | Tropical Disturbance | 15.4 | - |
| 1984-12-03 14:00 | -13.2°S, 79.3°E | Moderate Tropical Storm | 20.6 | - |
| 1984-12-04 02:00 | -14.4°S, 77.1°E | Moderate Tropical Storm | 23.1 | 997 |
| 1984-12-04 14:00 | -15.1°S, 75.4°E | Moderate Tropical Storm | 25.7 | 991 |
| 1984-12-05 02:00 | -16.3°S, 73.9°E | Severe Tropical Storm | 28.3 | 991 |
| 1984-12-05 14:00 | -17.4°S, 72.5°E | Severe Tropical Storm | 28.3 | 984 |
| 1984-12-06 02:00 | -17.9°S, 71.2°E | Severe Tropical Storm | 28.3 | 991 |
| 1984-12-06 14:00 | -18.4°S, 70.2°E | Moderate Tropical Storm | 23.1 | 991 |
| 1984-12-07 02:00 | -19.1°S, 69.0°E | Moderate Tropical Storm | 20.6 | 1000 |
| 1984-12-07 14:00 | -19.7°S, 67.5°E | Tropical Disturbance | 15.4 | 1000 |
| 1984-12-08 02:00 | -20.1°S, 65.7°E | Tropical Disturbance | 12.9 | 997 |
| 1984-12-08 14:00 | -21.2°S, 63.6°E | Tropical Disturbance | 10.3 | 997 |
| 1984-12-09 02:00 | -22.8°S, 62.2°E | Tropical Disturbance | 13.4 | 1000 |
| 1984-12-09 14:00 | -24.4°S, 61.1°E | Tropical Disturbance | 13.4 | 1000 |
| 1984-12-10 02:00 | -26.1°S, 59.8°E | Tropical Disturbance | 11.3 | 1003 |
| 1984-12-10 14:00 | -27.8°S, 58.8°E | Tropical Disturbance | 11.3 | 1003 |
| 1984-12-11 02:00 | -29.8°S, 59.3°E | Moderate Tropical Storm | 20.1 | - |
| 1984-12-11 14:00 | -31.1°S, 60.6°E | Moderate Tropical Storm | 20.1 | - |
| 1984-12-12 02:00 | -32.3°S, 64.1°E | Tropical Cyclone | - | - |
| 1984-12-12 14:00 | -33.1°S, 68.0°E | Tropical Cyclone | - | - |
| 1984-12-12 20:00 | -33.3°S, 69.2°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984337S11082 / SH021985. There is no official Chinese name for this system, so the original English name is used. Intensity grades 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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