Tropical Cyclone Ilsa (Ilsa)
● 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).
伊尔萨 (Ilsa) at 2023-04-05 20:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 5 Tropical Cyclone , max wind 约 69.4 m/s (1 分钟平均) , minimum central pressure 930 hPa, at 2023-04-15 14:00:00前后结束, total 记录 40 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2023-04-05 20:00 | -7.1°S, 135.4°E | Tropical Depression | 7.7 | 1006 |
| 2023-04-06 08:00 | -7.5°S, 132.9°E | Tropical Depression | 7.7 | 1006 |
| 2023-04-06 20:00 | -8.5°S, 131.9°E | Tropical Depression | 10.3 | 1005 |
| 2023-04-07 08:00 | -8.9°S, 130.8°E | Tropical Depression | 15.4 | 1004 |
| 2023-04-07 20:00 | -9.1°S, 130.5°E | Tropical Depression | 18 | 1003 |
| 2023-04-08 08:00 | -9.7°S, 129.9°E | Tropical Depression | 15.4 | 1003 |
| 2023-04-08 20:00 | -10.5°S, 129.2°E | Tropical Depression | 15.4 | 1002 |
| 2023-04-09 08:00 | -11.5°S, 127.5°E | Category 1 Tropical Cyclone | 23.1 | 1003 |
| 2023-04-09 20:00 | -12.3°S, 125.5°E | Category 1 Tropical Cyclone | 23.1 | 1002 |
| 2023-04-10 08:00 | -12.5°S, 123.9°E | Category 1 Tropical Cyclone | 20.6 | 1002 |
| 2023-04-10 20:00 | -13.2°S, 123.1°E | Category 1 Tropical Cyclone | 20.6 | 994 |
| 2023-04-11 08:00 | -14.0°S, 121.5°E | Category 1 Tropical Cyclone | 23.1 | 998 |
| 2023-04-11 20:00 | -15.2°S, 120.6°E | Category 3 tropical cyclone | 36 | 990 |
| 2023-04-12 08:00 | -15.6°S, 119.9°E | Category 3 tropical cyclone | 36 | 981 |
| 2023-04-12 20:00 | -16.3°S, 119.6°E | Category 3 tropical cyclone | 43.7 | 965 |
| 2023-04-13 08:00 | -17.8°S, 119.0°E | Category 4 tropical cyclone | 56.6 | 940 |
| 2023-04-13 20:00 | -19.5°S, 119.1°E | Category 5 Tropical Cyclone | 69.4 | 930 |
| 2023-04-14 08:00 | -21.4°S, 121.3°E | Category 3 tropical cyclone | 38.6 | 965 |
| 2023-04-14 20:00 | -22.2°S, 126.0°E | Category 1 Tropical Cyclone | 23.1 | 997 |
| 2023-04-15 08:00 | -23.0°S, 130.5°E | Tropical Depression | 15.4 | 1003 |
| 2023-04-15 14:00 | -22.9°S, 132.9°E | Tropical Depression | 12.9 | 1005 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), ID 2023096S07135 / SH182023. Chinese name source: Wikidata Q117553606. Intensity classification follows the local agency standards for the respective basin (converted from 1-minute sustained winds using WMO coefficients) and is for reference only. Data notes · Incorrect translation?
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