Tropical Cyclone Olga
● 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).
Olga at 1981-04-04 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Severe Tropical Cyclone , max wind 约 61.7 m/s (1 分钟平均) , minimum central pressure 940 hPa, at 1981-04-18 08:00:00前后结束, total 记录 57 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1981-04-04 08:00 | -5.9°S, 94.0°E | Tropical Depression | 10.3 | - |
| 1981-04-05 02:00 | -5.9°S, 92.4°E | Tropical Depression | 10.3 | - |
| 1981-04-05 20:00 | -7.8°S, 93.3°E | Tropical Depression | 15.4 | 1001 |
| 1981-04-06 14:00 | -8.6°S, 93.0°E | Tropical Depression | 15.4 | 999 |
| 1981-04-07 08:00 | -8.5°S, 92.5°E | Tropical Depression | 18 | 996 |
| 1981-04-08 02:00 | -8.8°S, 92.5°E | Category 1 Tropical Cyclone | 23.1 | 991 |
| 1981-04-08 20:00 | -10.0°S, 91.5°E | Category 1 Tropical Cyclone | 23.1 | 980 |
| 1981-04-09 14:00 | -11.1°S, 90.4°E | Category 3 tropical cyclone | 41.2 | 964 |
| 1981-04-10 08:00 | -13.0°S, 89.6°E | Tropical Cyclone | 46.3 | 946 |
| 1981-04-11 02:00 | -15.8°S, 88.4°E | Severe Tropical Cyclone | 61.7 | 945 |
| 1981-04-11 20:00 | -19.6°S, 86.9°E | Tropical Cyclone | 46.3 | 969 |
| 1981-04-12 14:00 | -23.4°S, 87.5°E | Severe Tropical Storm | 33.4 | 981 |
| 1981-04-13 08:00 | -27.6°S, 91.2°E | Category 2 Tropical Cyclone | 33.4 | 988 |
| 1981-04-14 02:00 | -30.3°S, 102.0°E | Category 1 Tropical Cyclone | 22.1 | 993 |
| 1981-04-14 20:00 | -29.5°S, 109.8°E | Tropical Depression | 16.5 | 997 |
| 1981-04-15 14:00 | -26.8°S, 110.7°E | Tropical Cyclone | - | - |
| 1981-04-16 08:00 | -26.1°S, 108.8°E | Tropical Cyclone | - | - |
| 1981-04-17 02:00 | -27.8°S, 107.9°E | Tropical Cyclone | - | - |
| 1981-04-17 20:00 | -29.1°S, 108.8°E | Tropical Cyclone | - | - |
| 1981-04-18 08:00 | -30.0°S, 110.0°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1981094S06094 / SH271981. No official Chinese name exists for this basin; displayed by original English name. Intensity classification follows local agency standards for the basin (converted from 1-minute sustained wind using WMO coefficients) and is for reference only. Data notes · Incorrect translation?
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