Tropical Cyclone Otto
● 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.
Otto at 1977-03-07 02:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 28.3 m/s (1 分钟平均) , at 1977-03-10 08:00:00前后结束, total 记录 14 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-03-07 02:00 | -13.9°S, 140.2°E | Tropical Cyclone | - | - |
| 1977-03-07 08:00 | -13.1°S, 140.4°E | Tropical Depression | 18 | - |
| 1977-03-07 14:00 | -12.8°S, 141.1°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1977-03-07 20:00 | -13.3°S, 142.1°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-08 02:00 | -14.1°S, 143.0°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-08 08:00 | -15.0°S, 143.8°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-08 14:00 | -15.7°S, 144.3°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-08 20:00 | -16.1°S, 145.0°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-09 02:00 | -16.8°S, 146.2°E | Category 2 Tropical Cyclone | 28.3 | - |
| 1977-03-09 08:00 | -18.6°S, 147.8°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1977-03-09 14:00 | -19.4°S, 148.0°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1977-03-09 20:00 | -20.3°S, 148.1°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1977-03-10 02:00 | -21.1°S, 147.9°E | Tropical Depression | 18 | - |
| 1977-03-10 08:00 | -21.8°S, 147.1°E | Tropical Depression | 15.4 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1977066S14140 / SH201977. There is no official Chinese name for this region, so the original English name is used. Intensity is classified by the local agency in the basin, converted from 1-minute sustained winds using the WMO factor, for reference only. Data notes · Incorrect translation?
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