Tropical Cyclone John
● 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).
John at 1989-01-23 14:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 22.1 m/s (1 分钟平均) , minimum central pressure 990 hPa, at 1989-02-02 14:00:00前后结束, total 记录 41 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1989-01-23 14:00 | -7.6°S, 103.3°E | Tropical Depression | 13.9 | 1004 |
| 1989-01-24 02:00 | -8.7°S, 103.8°E | Tropical Depression | 13.9 | 1004 |
| 1989-01-24 14:00 | -10.2°S, 103.4°E | Tropical Depression | 13.9 | 1003 |
| 1989-01-25 02:00 | -10.8°S, 101.4°E | Tropical Depression | 13.9 | 1001 |
| 1989-01-25 14:00 | -11.4°S, 99.7°E | Tropical Depression | 13.9 | 999 |
| 1989-01-26 02:00 | -11.8°S, 98.1°E | Tropical Depression | 16.5 | 997 |
| 1989-01-26 14:00 | -12.0°S, 96.7°E | Tropical Depression | 16.5 | 996 |
| 1989-01-27 02:00 | -12.2°S, 96.0°E | Category 1 Tropical Cyclone | 22.1 | 991 |
| 1989-01-27 14:00 | -12.4°S, 95.0°E | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1989-01-28 02:00 | -13.6°S, 94.9°E | Category 1 Tropical Cyclone | 22.1 | 990 |
| 1989-01-28 14:00 | -15.3°S, 97.2°E | Category 1 Tropical Cyclone | 22.1 | 992 |
| 1989-01-29 02:00 | -17.6°S, 99.6°E | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1989-01-29 14:00 | -19.5°S, 101.0°E | Category 1 Tropical Cyclone | 19.5 | 997 |
| 1989-01-30 02:00 | -20.8°S, 101.3°E | Tropical Depression | 16.5 | 998 |
| 1989-01-30 14:00 | -22.1°S, 101.9°E | Tropical Depression | 16.5 | 999 |
| 1989-01-31 02:00 | -23.6°S, 102.5°E | Tropical Depression | 13.9 | 1000 |
| 1989-01-31 14:00 | -25.0°S, 103.0°E | Tropical Depression | 13.9 | 1000 |
| 1989-02-01 02:00 | -25.7°S, 104.8°E | Tropical Depression | 13.9 | 1001 |
| 1989-02-01 14:00 | -26.9°S, 106.0°E | Tropical Depression | 13.9 | 1002 |
| 1989-02-02 02:00 | -26.3°S, 105.3°E | Tropical Depression | 11.3 | 1006 |
| 1989-02-02 14:00 | -25.9°S, 104.1°E | Tropical Depression | 11.3 | 1008 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1989023S08103. There is no official Chinese name for this storm, so the original English name is used. Intensity categories follow the local classification system for the region, converted from 1-minute sustained winds using the WMO factor, and are provided for reference only. Data notes · Incorrect translation?
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