1981South Pacific未命名Tropical Cyclone
● 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).
未命名 at 1981-02-22 20:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 22.1 m/s (1 分钟平均) , minimum central pressure 990 hPa, at 1981-03-07 08:00:00前后结束, total 记录 51 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1981-02-22 20:00 | -12.0°S, 179.5°W | Tropical Depression | 16.5 | 997 |
| 1981-02-23 14:00 | -11.8°S, 174.1°W | Tropical Cyclone | - | - |
| 1981-02-24 08:00 | -13.6°S, 166.5°W | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1981-02-25 02:00 | -14.6°S, 162.6°W | Tropical Cyclone | - | - |
| 1981-02-25 20:00 | -15.0°S, 161.0°W | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1981-02-26 14:00 | -16.3°S, 160.7°W | Tropical Cyclone | - | - |
| 1981-02-27 08:00 | -17.1°S, 162.2°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1981-02-28 02:00 | -17.7°S, 164.3°W | Tropical Cyclone | - | - |
| 1981-02-28 20:00 | -20.0°S, 166.0°W | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1981-03-01 14:00 | -24.1°S, 168.0°W | Tropical Cyclone | - | - |
| 1981-03-02 08:00 | -27.0°S, 173.5°W | Tropical Depression | 16.5 | 997 |
| 1981-03-03 02:00 | -28.4°S, 175.5°W | Tropical Cyclone | - | - |
| 1981-03-03 20:00 | -31.0°S, 174.0°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1981-03-04 14:00 | -32.7°S, 173.0°W | Tropical Cyclone | - | - |
| 1981-03-05 08:00 | -31.5°S, 174.0°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1981-03-06 02:00 | -29.6°S, 175.8°W | Tropical Cyclone | - | - |
| 1981-03-06 20:00 | -27.0°S, 178.0°W | Tropical Depression | 16.5 | 997 |
| 1981-03-07 08:00 | -26.0°S, 180.0°E | Tropical Depression | 16.5 | 997 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), ID 1981054S12181. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow local agency classifications for the basin (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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