Tropical Cyclone Dety
● 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).
Dety at 1990-01-31 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Cyclone , max wind 约 48.9 m/s (1 分钟平均) , minimum central pressure 954 hPa, at 1990-02-11 14:00:00前后结束, total 记录 47 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-01-31 02:00 | -9.0°S, 70.0°E | Tropical Disturbance | 10.3 | - |
| 1990-01-31 14:00 | -9.3°S, 69.9°E | Tropical Disturbance | 10.3 | - |
| 1990-02-01 02:00 | -9.7°S, 69.6°E | Tropical Disturbance | 10.3 | - |
| 1990-02-01 14:00 | -9.9°S, 69.5°E | Tropical Disturbance | 10.3 | - |
| 1990-02-02 02:00 | -10.1°S, 69.5°E | Tropical Disturbance | 10.3 | - |
| 1990-02-02 14:00 | -10.9°S, 69.8°E | Tropical Disturbance | 15.4 | - |
| 1990-02-03 02:00 | -12.1°S, 69.6°E | Moderate Tropical Storm | 20.6 | 997 |
| 1990-02-03 14:00 | -13.4°S, 69.7°E | Severe Tropical Storm | 33.4 | 984 |
| 1990-02-04 02:00 | -15.0°S, 68.6°E | Tropical Cyclone | 43.7 | 966 |
| 1990-02-04 14:00 | -16.0°S, 67.3°E | Tropical Cyclone | 46.3 | 954 |
| 1990-02-05 02:00 | -16.2°S, 66.8°E | Tropical Cyclone | 48.9 | 954 |
| 1990-02-05 14:00 | -16.5°S, 66.7°E | Tropical Cyclone | 46.3 | 966 |
| 1990-02-06 02:00 | -16.9°S, 67.4°E | Tropical Cyclone | 41.2 | 976 |
| 1990-02-06 14:00 | -17.1°S, 69.1°E | Tropical Cyclone | 38.6 | 984 |
| 1990-02-07 02:00 | -17.7°S, 71.3°E | Severe Tropical Storm | 33.4 | 976 |
| 1990-02-07 14:00 | -17.7°S, 73.8°E | Severe Tropical Storm | 28.3 | 976 |
| 1990-02-08 02:00 | -16.2°S, 75.8°E | Moderate Tropical Storm | 20.6 | 984 |
| 1990-02-08 14:00 | -17.0°S, 76.3°E | Tropical Disturbance | 15.4 | 997 |
| 1990-02-09 02:00 | -18.0°S, 77.0°E | Tropical Disturbance | 13.4 | 1000 |
| 1990-02-09 14:00 | -18.7°S, 78.1°E | Tropical Disturbance | 11.3 | - |
| 1990-02-10 02:00 | -19.0°S, 78.9°E | Tropical Disturbance | 11.3 | - |
| 1990-02-10 14:00 | -19.3°S, 79.3°E | Tropical Disturbance | 11.3 | - |
| 1990-02-11 02:00 | -20.1°S, 80.6°E | Tropical Disturbance | - | - |
| 1990-02-11 14:00 | -21.0°S, 82.0°E | Tropical Disturbance | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990031S09070 / SH151990. No official Chinese name is available for this basin, so the original English name is used. Intensity is classified by the local agency in the basin, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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