Tropical Cyclone Ivanne
● 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).
Ivanne at 1980-01-24 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Depression, max wind 约 15.9 m/s (1 分钟平均) , minimum central pressure 1000 hPa, at 1980-01-26 14:00:00前后结束, total 记录 9 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1980-01-24 14:00 | -11.0°S, 76.0°E | Tropical Depression | 15.9 | 1000 |
| 1980-01-24 20:00 | -11.3°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-25 02:00 | -11.9°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-25 08:00 | -12.2°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-25 14:00 | -12.7°S, 76.0°E | Tropical Depression | 15.9 | 1000 |
| 1980-01-25 20:00 | -13.0°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-26 02:00 | -13.5°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-26 08:00 | -14.0°S, 76.0°E | Tropical Cyclone | - | - |
| 1980-01-26 14:00 | -14.5°S, 76.0°E | Tropical Disturbance | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1980024S11076. No official Chinese name is available for this basin, so the original English name is used. Intensity grades follow the classification by the local agency in the basin, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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