Tropical Cyclone Gwen
● 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.
Gwen at 1978-02-25 08:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为1级Tropical Cyclone , max wind 约 22.1 m/s (1 分钟平均) , minimum central pressure 994 hPa, at 1978-03-04 20:00:00前后结束, total 记录 31 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1978-02-25 08:00 | -11.2°S, 136.4°E | Tropical Depression | 13.9 | 1004 |
| 1978-02-25 20:00 | -11.2°S, 136.6°E | Tropical Depression | 13.9 | 1003 |
| 1978-02-26 08:00 | -11.9°S, 137.9°E | Tropical Depression | 16.5 | 998 |
| 1978-02-26 20:00 | -13.5°S, 139.5°E | Tropical Cyclone | - | - |
| 1978-02-27 08:00 | -15.3°S, 141.8°E | Tropical Cyclone | - | - |
| 1978-02-27 20:00 | -17.2°S, 144.1°E | Tropical Cyclone | - | - |
| 1978-02-28 08:00 | -19.0°S, 146.9°E | Tropical Cyclone | - | - |
| 1978-02-28 20:00 | -19.5°S, 150.0°E | Tropical Cyclone | - | - |
| 1978-03-01 08:00 | -20.1°S, 152.6°E | Tropical Cyclone | - | - |
| 1978-03-01 20:00 | -22.4°S, 156.6°E | Tropical Cyclone | - | - |
| 1978-03-02 08:00 | -24.4°S, 160.0°E | Tropical Cyclone | - | - |
| 1978-03-02 20:00 | -25.1°S, 162.1°E | Tropical Cyclone | - | - |
| 1978-03-03 08:00 | -26.1°S, 165.0°E | Tropical Cyclone | - | - |
| 1978-03-03 20:00 | -27.2°S, 169.5°E | Tropical Cyclone | - | - |
| 1978-03-04 08:00 | -28.2°S, 174.5°E | Tropical Cyclone | - | - |
| 1978-03-04 20:00 | -29.7°S, 178.0°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1978056S11136 / SH231978. This area has no official Chinese name, so the English name is used. Intensity is classified according to the local agency in the relevant sea area, converted from 1-minute sustained winds using the WMO standard, for reference only. Data notes · Incorrect translation?
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