Tropical Cyclone Iana
● 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).
Iana at 1989-02-25 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Moderate Tropical Storm, max wind 约 24.2 m/s (1 分钟平均) , minimum central pressure 984 hPa, at 1989-03-01 14:00:00前后结束, total 记录 17 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-02-25 14:00 | -22.5°S, 39.4°E | Tropical Cyclone | - | - |
| 1989-02-25 20:00 | -22.1°S, 40.0°E | Tropical Disturbance | 15.4 | 997 |
| 1989-02-26 02:00 | -21.9°S, 40.4°E | Tropical Disturbance | 15.4 | 997 |
| 1989-02-26 08:00 | -21.8°S, 40.7°E | Tropical Disturbance | 15.4 | 997 |
| 1989-02-26 14:00 | -21.6°S, 42.5°E | Moderate Tropical Storm | 20.1 | 991 |
| 1989-02-26 20:00 | -21.7°S, 43.4°E | Moderate Tropical Storm | 24.2 | 984 |
| 1989-02-27 02:00 | -22.1°S, 44.8°E | Moderate Tropical Storm | 20.1 | - |
| 1989-02-27 08:00 | -22.8°S, 46.7°E | Moderate Tropical Storm | 20.1 | - |
| 1989-02-27 14:00 | -23.4°S, 48.0°E | Moderate Tropical Storm | 20.1 | 991 |
| 1989-02-27 20:00 | -24.0°S, 49.1°E | Moderate Tropical Storm | 20.1 | 991 |
| 1989-02-28 02:00 | -24.7°S, 50.3°E | Moderate Tropical Storm | 20.1 | 991 |
| 1989-02-28 08:00 | -25.2°S, 51.6°E | Tropical Disturbance | 15.4 | 997 |
| 1989-02-28 14:00 | -26.0°S, 52.8°E | Tropical Disturbance | 15.4 | 997 |
| 1989-02-28 20:00 | -26.9°S, 54.0°E | Tropical Disturbance | 13.4 | 1000 |
| 1989-03-01 02:00 | -28.0°S, 55.0°E | Tropical Disturbance | 13.4 | 1000 |
| 1989-03-01 08:00 | -29.3°S, 54.9°E | Tropical Disturbance | 13.4 | 1000 |
| 1989-03-01 14:00 | -30.7°S, 53.8°E | Tropical Disturbance | 13.4 | 1000 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010); code 1989056S23039. No official Chinese name is available for this basin, so the original English name is used. Intensity classifications follow the local agency’s standards for the basin (converted from 1-minute sustained winds using the WMO factor), for reference only. Data notes · Incorrect translation?
Download