Tropical Cyclone Edna
● 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).
Edna at 1980-12-20 08:00:00 (BeijingTime) 在South Indian Ocean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 994 hPa, at 1980-12-27 08:00:00前后结束, total 记录 29 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1980-12-20 08:00 | -10.1°S, 117.4°E | Tropical Depression | 11.3 | 1005 |
| 1980-12-20 20:00 | -10.1°S, 115.5°E | Tropical Depression | 11.3 | 1004 |
| 1980-12-21 08:00 | -11.0°S, 115.3°E | Tropical Depression | 13.9 | 1004 |
| 1980-12-21 20:00 | -11.0°S, 114.4°E | Tropical Depression | 13.9 | 1004 |
| 1980-12-22 08:00 | -11.7°S, 113.4°E | Tropical Depression | 13.9 | 1003 |
| 1980-12-22 20:00 | -11.8°S, 111.0°E | Tropical Depression | 13.9 | 1002 |
| 1980-12-23 08:00 | -11.7°S, 109.0°E | Tropical Depression | 13.9 | 1001 |
| 1980-12-23 20:00 | -11.5°S, 106.9°E | Tropical Depression | 16.5 | 999 |
| 1980-12-24 08:00 | -11.0°S, 105.0°E | Category 1 Tropical Cyclone | 19.5 | 994 |
| 1980-12-24 20:00 | -11.0°S, 103.4°E | Category 1 Tropical Cyclone | 19.5 | 994 |
| 1980-12-25 08:00 | -11.2°S, 100.9°E | Category 1 Tropical Cyclone | 22.1 | 994 |
| 1980-12-25 20:00 | -11.3°S, 98.5°E | Tropical Depression | 16.5 | 1000 |
| 1980-12-26 08:00 | -11.0°S, 95.9°E | Tropical Depression | 13.9 | 1005 |
| 1980-12-26 20:00 | -10.4°S, 94.5°E | Tropical Depression | 13.9 | 1006 |
| 1980-12-27 08:00 | -10.1°S, 93.0°E | Tropical Depression | 13.9 | 1007 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1980355S10117. 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 relevant sea area, converted from 1-minute sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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