Tropical Cyclone Johanne
● 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).
Johanne at 1981-03-01 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Cyclone , max wind 约 41.2 m/s (1 分钟平均) , at 1981-03-11 08:00:00前后结束, total 记录 39 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1981-03-01 20:00 | -22.0°S, 47.1°E | Tropical Disturbance | 5.1 | - |
| 1981-03-02 08:00 | -21.3°S, 47.5°E | Tropical Disturbance | 7.7 | - |
| 1981-03-02 20:00 | -20.5°S, 47.9°E | Tropical Disturbance | 7.7 | - |
| 1981-03-03 08:00 | -19.8°S, 48.5°E | Tropical Disturbance | 10.3 | - |
| 1981-03-03 20:00 | -18.9°S, 49.5°E | Tropical Disturbance | 10.3 | - |
| 1981-03-04 08:00 | -18.0°S, 50.9°E | Tropical Disturbance | 12.9 | - |
| 1981-03-04 20:00 | -17.5°S, 52.5°E | Tropical Disturbance | 12.9 | - |
| 1981-03-05 08:00 | -18.0°S, 53.6°E | Tropical Disturbance | 15.4 | - |
| 1981-03-05 20:00 | -19.3°S, 54.4°E | Tropical Depression | 18 | - |
| 1981-03-06 08:00 | -20.7°S, 55.8°E | Moderate Tropical Storm | 20.6 | - |
| 1981-03-06 20:00 | -22.2°S, 58.0°E | Severe Tropical Storm | 28.3 | - |
| 1981-03-07 08:00 | -24.6°S, 61.0°E | Severe Tropical Storm | 33.4 | - |
| 1981-03-07 20:00 | -26.2°S, 64.4°E | Tropical Cyclone | 38.6 | - |
| 1981-03-08 08:00 | -27.5°S, 67.6°E | Tropical Cyclone | 38.6 | - |
| 1981-03-08 20:00 | -28.1°S, 68.9°E | Severe Tropical Storm | 30.9 | - |
| 1981-03-09 08:00 | -28.5°S, 69.8°E | Moderate Tropical Storm | 23.1 | - |
| 1981-03-09 20:00 | -29.1°S, 70.3°E | Tropical Disturbance | 15.4 | - |
| 1981-03-10 08:00 | -30.1°S, 70.1°E | Tropical Disturbance | 12.9 | - |
| 1981-03-10 20:00 | -30.2°S, 71.2°E | Tropical Cyclone | - | - |
| 1981-03-11 08:00 | -33.1°S, 73.0°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1981061S22047 / SH221981. There is no official Chinese translated name for this basin, so the original English name is used. Intensity categories follow the classifications of the relevant local meteorological agency, converted from 1-minute sustained winds using the WMO factor. For reference only. Data notes · Incorrect translation?
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