Tropical Cyclone Cathy
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
Cathy at 1998-12-23 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 20.6 m/s (1 分钟平均) , minimum central pressure 991 hPa, at 1998-12-31 02:00:00前后结束, total 记录 33 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1998-12-23 02:00 | -11.0°S, 100.6°E | Tropical Depression | 13.9 | 1002 |
| 1998-12-23 14:00 | -12.1°S, 100.8°E | Tropical Depression | 13.9 | 1002 |
| 1998-12-24 02:00 | -13.5°S, 100.6°E | Tropical Depression | 12.9 | 1000 |
| 1998-12-24 14:00 | -15.3°S, 100.0°E | Tropical Depression | 15.4 | 996 |
| 1998-12-25 02:00 | -16.0°S, 99.3°E | Tropical Depression | 15.4 | 992 |
| 1998-12-25 14:00 | -16.4°S, 98.3°E | Tropical Depression | 18 | 991 |
| 1998-12-26 02:00 | -16.7°S, 96.9°E | Tropical Depression | 18 | 991 |
| 1998-12-26 14:00 | -16.6°S, 95.4°E | Tropical Depression | 18 | 991 |
| 1998-12-27 02:00 | -16.5°S, 94.3°E | Category 1 Tropical Cyclone | 20.6 | 996 |
| 1998-12-27 14:00 | -16.3°S, 93.3°E | Category 1 Tropical Cyclone | 20.6 | 999 |
| 1998-12-28 02:00 | -15.9°S, 92.0°E | Tropical Depression | 18 | 1002 |
| 1998-12-28 14:00 | -15.6°S, 89.6°E | Tropical Disturbance | 12.9 | - |
| 1998-12-29 02:00 | -14.9°S, 88.4°E | Tropical Disturbance | 12.9 | - |
| 1998-12-29 14:00 | -14.5°S, 87.3°E | Tropical Disturbance | 12.9 | - |
| 1998-12-30 02:00 | -13.7°S, 85.8°E | Tropical Disturbance | 12.9 | - |
| 1998-12-30 14:00 | -12.9°S, 84.6°E | Tropical Disturbance | 12.9 | - |
| 1998-12-31 02:00 | -12.5°S, 83.4°E | Tropical Disturbance | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1998357S11101 / SH101999. This basin has no official Chinese translated name, so the original English name is used. Intensity categories follow the classifications of the local agency for the region, converted from 1-minute sustained winds using the WMO scale, and are for reference only. Data notes · Incorrect translation?
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