1980 Unnamed North Indian Ocean Cyclone
● Data reliability: Track onlyOnly an approximate Position is available, with no wind speed or pressure records, so it is not included in Intensity rankings. This mainly applies to early records from the Indian Ocean and Southern Hemisphere.
未命名 at 1980-12-03 08:00:00 (BeijingTime) 在North Indian Ocean首次被记录, 没有Intensity记录, at 1980-12-07 20:00:00前后结束, total 记录 19 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1980-12-03 08:00 | 9.4°N, 84.7°E | Tropical Cyclone | - | - |
| 1980-12-03 14:00 | 9.7°N, 84.3°E | Tropical Cyclone | - | - |
| 1980-12-03 20:00 | 10.0°N, 84.0°E | Tropical Cyclone | - | - |
| 1980-12-04 02:00 | 10.4°N, 83.6°E | Tropical Cyclone | - | - |
| 1980-12-04 08:00 | 10.8°N, 83.2°E | Tropical Cyclone | - | - |
| 1980-12-04 14:00 | 11.3°N, 82.8°E | Tropical Cyclone | - | - |
| 1980-12-04 20:00 | 12.0°N, 82.5°E | Tropical Cyclone | - | - |
| 1980-12-05 02:00 | 12.4°N, 82.5°E | Tropical Cyclone | - | - |
| 1980-12-05 08:00 | 12.8°N, 82.8°E | Tropical Cyclone | - | - |
| 1980-12-05 14:00 | 13.2°N, 83.2°E | Tropical Cyclone | - | - |
| 1980-12-05 20:00 | 13.5°N, 83.5°E | Tropical Cyclone | - | - |
| 1980-12-06 02:00 | 13.7°N, 83.7°E | Tropical Cyclone | - | - |
| 1980-12-06 08:00 | 13.9°N, 83.9°E | Tropical Cyclone | - | - |
| 1980-12-06 14:00 | 14.2°N, 84.3°E | Tropical Cyclone | - | - |
| 1980-12-06 20:00 | 14.8°N, 85.0°E | Tropical Cyclone | - | - |
| 1980-12-07 02:00 | 15.1°N, 85.4°E | Tropical Cyclone | - | - |
| 1980-12-07 08:00 | 15.5°N, 85.8°E | Tropical Cyclone | - | - |
| 1980-12-07 14:00 | 15.7°N, 86.2°E | Tropical Cyclone | - | - |
| 1980-12-07 20:00 | 16.0°N, 86.6°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1980338N09085 / IO041980. This sea area has no official Chinese name, so the original English name is used. Intensity grades follow the local agency’s classification for the basin, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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