Tropical Cyclone Zuman
● 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).
Zuman at 1987-04-20 02:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 975 hPa, at 1987-04-26 20:00:00前后结束, total 记录 28 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1987-04-20 02:00 | -9.5°S, 179.1°E | Tropical Depression | 12.9 | - |
| 1987-04-20 14:00 | -9.5°S, 178.9°W | Tropical Depression | 12.9 | - |
| 1987-04-21 02:00 | -10.6°S, 178.0°W | Tropical Depression | 15.4 | - |
| 1987-04-21 14:00 | -11.2°S, 176.4°W | Tropical Depression | 15.4 | - |
| 1987-04-22 02:00 | -10.7°S, 174.5°W | Tropical Depression | 15.4 | - |
| 1987-04-22 14:00 | -10.6°S, 173.0°W | Tropical Depression | 15.4 | 997 |
| 1987-04-23 02:00 | -11.4°S, 171.2°W | Tropical Depression | 15.4 | 990 |
| 1987-04-23 14:00 | -12.8°S, 169.9°W | Category 1 Tropical Cyclone | 20.6 | 985 |
| 1987-04-24 02:00 | -14.5°S, 169.0°W | Category 1 Tropical Cyclone | 25.7 | 975 |
| 1987-04-24 14:00 | -16.1°S, 168.4°W | Category 2 Tropical Cyclone | 28.3 | 975 |
| 1987-04-25 02:00 | -18.1°S, 167.6°W | Category 1 Tropical Cyclone | 25.7 | 980 |
| 1987-04-25 14:00 | -20.4°S, 166.1°W | Category 1 Tropical Cyclone | 20.6 | 985 |
| 1987-04-26 02:00 | -22.8°S, 163.1°W | Tropical Depression | 18 | 995 |
| 1987-04-26 14:00 | -25.0°S, 159.6°W | Tropical Depression | 15.4 | - |
| 1987-04-26 20:00 | -26.2°S, 157.8°W | Tropical Depression | 12.9 | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1987110S10179 / SH251987. There is no official Chinese name for this system, so the original English name is used. Intensity is classified by the local agency in the region, converted from 1-minute sustained winds using the WMO factor, and is provided for reference only. Data notes · Incorrect translation?
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