Tropical Cyclone Florence
● 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.
Florence at 1970-02-11 02:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , at 1970-02-13 02:00:00前后结束, total 记录 9 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1970-02-11 02:00 | -14.1°S, 154.5°E | Tropical Depression | 18 | - |
| 1970-02-11 08:00 | -14.2°S, 154.5°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1970-02-11 14:00 | -14.5°S, 154.6°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1970-02-11 20:00 | -14.8°S, 154.8°E | Tropical Depression | 18 | - |
| 1970-02-12 02:00 | -15.1°S, 155.4°E | Tropical Depression | 18 | - |
| 1970-02-12 08:00 | -15.4°S, 156.3°E | Tropical Depression | 18 | - |
| 1970-02-12 14:00 | -15.5°S, 157.4°E | Tropical Depression | 18 | - |
| 1970-02-12 20:00 | -15.5°S, 158.4°E | Tropical Depression | 18 | - |
| 1970-02-13 02:00 | -15.6°S, 160.2°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1970042S14155 / SH171970. No official Chinese name is available for this region, so the original English name is used. Intensity categories follow the classifications of the relevant regional agency, converted from 1-minute sustained winds using the WMO factor, and are for reference only. Data notes · Incorrect translation?
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