Tropical Cyclone Haja
● 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).
Haja at 1984-02-07 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Moderate Tropical Storm, max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 976 hPa, at 1984-02-22 14:00:00前后结束, total 记录 61 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-02-07 14:00 | -12.5°S, 72.9°E | Tropical Disturbance | 12.9 | - |
| 1984-02-08 08:00 | -13.0°S, 72.1°E | Tropical Disturbance | 15.4 | 1000 |
| 1984-02-09 02:00 | -12.8°S, 71.3°E | Tropical Disturbance | 15.4 | 1000 |
| 1984-02-09 20:00 | -12.6°S, 71.1°E | Tropical Disturbance | 15.4 | - |
| 1984-02-10 14:00 | -12.6°S, 72.4°E | Tropical Disturbance | 12.9 | - |
| 1984-02-11 08:00 | -13.6°S, 73.4°E | Tropical Disturbance | 15.4 | 1000 |
| 1984-02-12 02:00 | -15.7°S, 74.9°E | Tropical Disturbance | 15.4 | - |
| 1984-02-12 20:00 | -14.8°S, 75.5°E | Tropical Disturbance | 15.4 | - |
| 1984-02-13 14:00 | -15.3°S, 74.0°E | Tropical Disturbance | 15.4 | 997 |
| 1984-02-14 08:00 | -17.0°S, 71.7°E | Tropical Depression | 18 | - |
| 1984-02-15 02:00 | -18.1°S, 69.2°E | Moderate Tropical Storm | 20.6 | 991 |
| 1984-02-15 20:00 | -20.1°S, 66.8°E | Tropical Depression | 18 | 997 |
| 1984-02-16 14:00 | -21.5°S, 63.4°E | Tropical Disturbance | 12.9 | 1003 |
| 1984-02-17 08:00 | -23.2°S, 59.8°E | Tropical Depression | 18 | 984 |
| 1984-02-18 02:00 | -23.7°S, 56.2°E | Tropical Depression | 18 | 991 |
| 1984-02-18 20:00 | -24.0°S, 52.9°E | Tropical Depression | 18 | 991 |
| 1984-02-19 14:00 | -25.0°S, 50.3°E | Moderate Tropical Storm | 23.1 | 1000 |
| 1984-02-20 08:00 | -26.7°S, 49.1°E | Moderate Tropical Storm | 23.1 | 991 |
| 1984-02-21 02:00 | -28.8°S, 49.9°E | Tropical Disturbance | 15.4 | - |
| 1984-02-21 20:00 | -31.9°S, 51.9°E | Tropical Cyclone | - | - |
| 1984-02-22 14:00 | -35.0°S, 58.6°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984038S12073 / SH201984. This basin has no official Chinese name, so the original English name is used. Intensity categories follow the classifications of the local agency in the basin, converted from 1-min sustained wind using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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