Tropical Cyclone Nellie
● 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.
Nellie at 1973-03-13 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 30.9 m/s (1 分钟平均) , at 1973-03-23 08:00:00前后结束, total 记录 40 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1973-03-13 14:00 | -12.3°S, 126.1°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-14 02:00 | -13.3°S, 123.7°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-14 14:00 | -14.2°S, 120.9°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-15 02:00 | -15.2°S, 117.6°E | Category 2 Tropical Cyclone | 30.9 | - |
| 1973-03-15 14:00 | -16.5°S, 114.4°E | Category 2 Tropical Cyclone | 30.9 | - |
| 1973-03-16 02:00 | -17.3°S, 111.8°E | Category 2 Tropical Cyclone | 30.9 | - |
| 1973-03-16 14:00 | -17.6°S, 110.5°E | Category 2 Tropical Cyclone | 30.9 | - |
| 1973-03-17 02:00 | -17.6°S, 109.7°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-17 14:00 | -17.4°S, 109.2°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-18 02:00 | -17.2°S, 108.8°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1973-03-18 14:00 | -16.8°S, 108.1°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1973-03-19 02:00 | -16.2°S, 107.0°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1973-03-19 14:00 | -15.9°S, 105.2°E | Tropical Cyclone | - | - |
| 1973-03-20 02:00 | -16.4°S, 103.4°E | Tropical Cyclone | - | - |
| 1973-03-20 14:00 | -17.5°S, 101.8°E | Tropical Cyclone | - | - |
| 1973-03-21 02:00 | -18.9°S, 100.5°E | Tropical Cyclone | - | - |
| 1973-03-21 14:00 | -19.9°S, 98.8°E | Tropical Cyclone | - | - |
| 1973-03-22 02:00 | -19.7°S, 96.8°E | Tropical Cyclone | - | - |
| 1973-03-22 14:00 | -19.8°S, 95.5°E | Tropical Cyclone | - | - |
| 1973-03-23 02:00 | -20.2°S, 94.7°E | Tropical Cyclone | - | - |
| 1973-03-23 08:00 | -20.4°S, 94.4°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1973072S12127 / SH301973. There is no official Chinese name for this system; the original English name is used. Intensity ratings follow the classification of the local agency in the relevant sea area (converted from 1-minute sustained winds using the WMO factor) and are for reference only. Data notes · Incorrect translation?
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