Tropical Cyclone Gregoara/Walter
● 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).
Gregoara/Walter at 1990-03-03 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Severe Tropical Cyclone , max wind 约 56.6 m/s (1 分钟平均) , minimum central pressure 927 hPa, at 1990-03-27 14:00:00前后结束, total 记录 98 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1990-03-03 08:00 | -13.2°S, 90.7°E | Tropical Depression | 10.3 | - |
| 1990-03-04 14:00 | -15.2°S, 94.1°E | Tropical Depression | 12.9 | 1000 |
| 1990-03-05 20:00 | -18.4°S, 96.6°E | Tropical Depression | 12.9 | 990 |
| 1990-03-07 02:00 | -21.3°S, 97.5°E | Tropical Depression | 12.9 | 991 |
| 1990-03-08 08:00 | -20.2°S, 94.9°E | Category 1 Tropical Cyclone | 19.5 | 995 |
| 1990-03-09 14:00 | -17.0°S, 96.3°E | Tropical Depression | 13.9 | 1002 |
| 1990-03-10 20:00 | -15.2°S, 98.2°E | Tropical Depression | 13.9 | 1003 |
| 1990-03-12 02:00 | -13.4°S, 97.6°E | Tropical Depression | 10.3 | 1000 |
| 1990-03-13 08:00 | -12.6°S, 93.3°E | Tropical Depression | 12.9 | 990 |
| 1990-03-14 14:00 | -11.4°S, 88.6°E | Moderate Tropical Storm | 23.1 | 978 |
| 1990-03-15 20:00 | -12.2°S, 84.6°E | Tropical Cyclone | 38.6 | - |
| 1990-03-17 02:00 | -14.4°S, 83.3°E | Tropical Cyclone | 43.7 | - |
| 1990-03-18 08:00 | -16.6°S, 81.6°E | Severe Tropical Cyclone | 56.6 | - |
| 1990-03-19 14:00 | -18.8°S, 78.3°E | Tropical Cyclone | 46.3 | 941 |
| 1990-03-20 20:00 | -22.0°S, 76.9°E | Severe Tropical Storm | 30.9 | 966 |
| 1990-03-22 02:00 | -24.0°S, 74.4°E | Tropical Depression | 18 | 991 |
| 1990-03-23 08:00 | -26.8°S, 76.9°E | Tropical Disturbance | 15.4 | 997 |
| 1990-03-24 14:00 | -27.2°S, 77.3°E | Extratropical cyclone | 13.4 | 1000 |
| 1990-03-25 20:00 | -28.7°S, 75.4°E | Tropical Disturbance | - | - |
| 1990-03-27 02:00 | -31.7°S, 76.7°E | Tropical Disturbance | - | - |
| 1990-03-27 14:00 | -32.0°S, 78.4°E | Tropical Disturbance | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1990062S13091 / SH201990. There is no official Chinese name for this system, so the original English name is used. Intensity is classified by the regional agency in the relevant basin, based on the WMO-converted 1-minute sustained wind speed, for reference only. Data notes · Incorrect translation?
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