Tropical Cyclone Danitza/Wilf
● 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.
Danitza/Wilf at 1979-12-23 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 2 Tropical Cyclone , max wind 约 28.3 m/s (1 分钟平均) , minimum central pressure 973 hPa, at 1980-01-02 20:00:00前后结束, total 记录 43 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1979-12-23 08:00 | -9.8°S, 94.9°E | Tropical Depression | 11.3 | 1005 |
| 1979-12-23 20:00 | -10.2°S, 94.4°E | Tropical Depression | 11.3 | 1004 |
| 1979-12-24 08:00 | -10.7°S, 93.9°E | Tropical Depression | 13.9 | 1003 |
| 1979-12-24 20:00 | -11.4°S, 93.2°E | Tropical Depression | 15.4 | 1001 |
| 1979-12-25 08:00 | -11.8°S, 92.1°E | Tropical Depression | 15.4 | 998 |
| 1979-12-25 20:00 | -11.5°S, 90.8°E | Tropical Depression | 15.4 | 990 |
| 1979-12-26 08:00 | -11.7°S, 90.1°E | Tropical Depression | 18 | 980 |
| 1979-12-26 20:00 | -12.3°S, 89.8°E | Tropical Depression | 18 | 980 |
| 1979-12-27 08:00 | -13.6°S, 90.8°E | Category 1 Tropical Cyclone | 20.6 | 980 |
| 1979-12-27 20:00 | -14.3°S, 91.6°E | Category 1 Tropical Cyclone | 23.1 | 980 |
| 1979-12-28 08:00 | -14.9°S, 92.4°E | Category 1 Tropical Cyclone | 23.1 | 976 |
| 1979-12-28 20:00 | -16.0°S, 92.9°E | Category 2 Tropical Cyclone | 28.3 | 973 |
| 1979-12-29 08:00 | -16.7°S, 92.0°E | Category 2 Tropical Cyclone | 28.3 | 988 |
| 1979-12-29 20:00 | -16.3°S, 90.5°E | Category 1 Tropical Cyclone | 23.1 | 989 |
| 1979-12-30 08:00 | -16.4°S, 89.4°E | Moderate Tropical Storm | 20.6 | 988 |
| 1979-12-30 20:00 | -16.3°S, 88.2°E | Moderate Tropical Storm | 20.6 | 988 |
| 1979-12-31 08:00 | -16.4°S, 86.6°E | Moderate Tropical Storm | 20.6 | 988 |
| 1979-12-31 20:00 | -16.3°S, 84.4°E | Moderate Tropical Storm | 23.1 | 991 |
| 1980-01-01 08:00 | -16.1°S, 81.7°E | Tropical Depression | 18 | 993 |
| 1980-01-01 20:00 | -16.1°S, 79.9°E | Tropical Disturbance | 15.4 | - |
| 1980-01-02 08:00 | -16.0°S, 77.2°E | Tropical Disturbance | 12.9 | 1000 |
| 1980-01-02 20:00 | -15.5°S, 75.0°E | Tropical Disturbance | 12.9 | - |
Data source: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1979357S10095 / SH041980. There is no official Chinese name for this storm, so the original English name is used. Intensity grades follow the classification 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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