Tropical Cyclone Beltane
● 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).
Beltane at 1998-02-01 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Moderate Tropical Storm, max wind 约 20.6 m/s (1 分钟平均) , minimum central pressure 992 hPa, at 1998-02-20 20:00:00前后结束, total 记录 79 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1998-02-01 08:00 | -18.1°S, 35.6°E | Tropical Disturbance | 12.9 | - |
| 1998-02-02 08:00 | -20.2°S, 36.3°E | Tropical Disturbance | 12.9 | - |
| 1998-02-03 08:00 | -19.5°S, 38.7°E | Tropical Disturbance | 12.9 | - |
| 1998-02-04 08:00 | -18.6°S, 41.7°E | Tropical Disturbance | 12.9 | 999 |
| 1998-02-05 08:00 | -19.4°S, 44.3°E | Tropical Disturbance | 12.9 | 1000 |
| 1998-02-06 08:00 | -18.6°S, 45.4°E | Tropical Disturbance | 10.3 | 1000 |
| 1998-02-07 08:00 | -19.7°S, 45.1°E | Tropical Disturbance | 12.9 | 1004 |
| 1998-02-08 08:00 | -22.5°S, 45.6°E | Tropical Disturbance | 15.4 | 1003 |
| 1998-02-09 08:00 | -25.7°S, 44.5°E | Tropical Depression | 18 | 1002 |
| 1998-02-10 08:00 | -28.1°S, 44.5°E | Tropical Disturbance | 15.4 | 1000 |
| 1998-02-11 08:00 | -25.5°S, 44.9°E | Tropical Depression | 16.5 | 1000 |
| 1998-02-12 08:00 | -20.1°S, 43.7°E | Tropical Disturbance | 8.2 | 1000 |
| 1998-02-13 08:00 | -17.3°S, 43.1°E | Tropical Disturbance | 12.9 | 999 |
| 1998-02-14 08:00 | -16.7°S, 43.6°E | Tropical Disturbance | 11.3 | 1002 |
| 1998-02-15 08:00 | -17.1°S, 43.4°E | Tropical Disturbance | 11.3 | 1004 |
| 1998-02-16 08:00 | -20.9°S, 41.5°E | Tropical Disturbance | 15.4 | 997 |
| 1998-02-17 08:00 | -23.9°S, 42.8°E | Moderate Tropical Storm | 20.6 | 992 |
| 1998-02-18 08:00 | -24.0°S, 43.1°E | Tropical Depression | 18 | 998 |
| 1998-02-19 08:00 | -20.9°S, 39.5°E | Tropical Disturbance | - | 1005 |
| 1998-02-20 08:00 | -18.4°S, 37.7°E | Tropical Disturbance | - | 1006 |
| 1998-02-20 20:00 | -17.9°S, 37.5°E | Tropical Disturbance | - | 1006 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1998032S18036 / SH211998. This basin has no official Chinese name, so the original English name is used. Intensity is classified by the local agency for the basin, based on 1-minute sustained winds converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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