Tropical Cyclone Dulcinee
● 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.
Dulcinee at 1977-12-26 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Tropical Disturbance, max wind 约 15.4 m/s (1 分钟平均) , minimum central pressure 997 hPa, at 1977-12-29 14:00:00前后结束, total 记录 13 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-12-26 14:00 | -10.0°S, 68.7°E | Tropical Disturbance | 11.3 | 1003 |
| 1977-12-26 20:00 | -10.4°S, 69.9°E | Tropical Cyclone | - | - |
| 1977-12-27 02:00 | -11.1°S, 71.0°E | Tropical Cyclone | - | - |
| 1977-12-27 08:00 | -12.0°S, 72.0°E | Tropical Cyclone | - | - |
| 1977-12-27 14:00 | -13.0°S, 73.0°E | Tropical Disturbance | 15.4 | 997 |
| 1977-12-27 20:00 | -13.2°S, 73.2°E | Tropical Cyclone | - | - |
| 1977-12-28 02:00 | -13.5°S, 73.4°E | Tropical Cyclone | - | - |
| 1977-12-28 08:00 | -13.8°S, 73.6°E | Tropical Cyclone | - | - |
| 1977-12-28 14:00 | -14.0°S, 73.7°E | Tropical Cyclone | - | - |
| 1977-12-28 20:00 | -14.1°S, 73.9°E | Tropical Cyclone | - | - |
| 1977-12-29 02:00 | -14.5°S, 74.0°E | Tropical Cyclone | - | - |
| 1977-12-29 08:00 | -14.9°S, 74.1°E | Tropical Cyclone | - | - |
| 1977-12-29 14:00 | -15.0°S, 74.3°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1977360S10069. There is no official Chinese name for this storm, so the original English name is used. Intensity grades follow the classifications of the local agency in the region and are converted from 1-minute sustained winds using the WMO factor. For reference only. Data notes · Incorrect translation?
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