Unnamed tropical cyclone in the South Pacific in 1973
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
未命名 at 1973-11-07 08:00:00 (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 1973-11-11 08:00:00前后结束, total 记录 17 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-11-07 08:00 | -16.9°S, 168.8°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1973-11-07 14:00 | -17.6°S, 169.3°W | Tropical Cyclone | - | - |
| 1973-11-07 20:00 | -18.4°S, 169.7°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1973-11-08 02:00 | -19.4°S, 170.1°W | Tropical Cyclone | - | - |
| 1973-11-08 08:00 | -20.4°S, 170.2°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1973-11-08 14:00 | -21.3°S, 170.1°W | Tropical Cyclone | - | - |
| 1973-11-08 20:00 | -22.2°S, 169.8°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1973-11-09 02:00 | -23.1°S, 169.5°W | Tropical Cyclone | - | - |
| 1973-11-09 08:00 | -24.1°S, 169.0°W | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1973-11-09 14:00 | -25.4°S, 168.2°W | Tropical Cyclone | - | - |
| 1973-11-09 20:00 | -26.8°S, 167.1°W | Tropical Depression | 16.5 | 997 |
| 1973-11-10 02:00 | -28.1°S, 166.1°W | Tropical Cyclone | - | - |
| 1973-11-10 08:00 | -29.4°S, 165.1°W | Tropical Depression | 16.5 | 997 |
| 1973-11-10 14:00 | -31.1°S, 164.2°W | Tropical Cyclone | - | - |
| 1973-11-10 20:00 | -32.5°S, 162.8°W | Tropical Depression | 16.5 | 997 |
| 1973-11-11 02:00 | -32.5°S, 161.1°W | Tropical Cyclone | - | - |
| 1973-11-11 08:00 | -33.0°S, 160.0°W | Tropical Depression | 16.5 | 997 |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1973311S17191 / SH051974. No official Chinese name is available for this system, so its original English name is shown. Intensity categories follow the classifications of the local agency in the relevant ocean basin, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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