Typhoon Jangmi, international code 200815, international name JANGMI, 2008年Northwest PacificTyphoon . formedTime: 2008-09-24 20:00:00, 结束Time: 2008-10-01 02:00:00. peak intensity: Super Typhoon, 最低Pressure: 910 hPa, max wind : 65m/s.
Typhoon Jangmi at 2008-09-24 20:00:00 at 12.1°, lng 136.4° over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Super Typhoon intensity with max winds of 65 m/s (~234 km/h) and a minimum central pressure of 910hPa, recorded at 2008-09-27 14:00:00.
2008-10-01 02:00:00 After, Typhoon Jangmi gradually weakened and was numbered off on 2008-10-01 02:00:00 was numbered off; its lifecycle recorded 95 track points.
Typhoon Jangmi (200815) 的生命史始 at Northwest Pacific远洋海域, 整体路径呈现典型的“NW行—N折—NE转 toward ”的抛物线形态. formed初期 (9月24日) , 系统位 at 136.4°E附近, 稳定 toward NW. 随着The latitude升高至20°N以N, 受副热带高压边缘气流及W风带槽前SW气流的total 同引导, 其Moving路径逐渐 toward N偏移. 在9月27日至28日期间, Typhoon 中心逼近Taiwan以E洋面 (约121°E-124°E区间) , 此时为路径的最W端点, 随后路径发生显著转折, 由NW toward 转为正N, 进而 toward NE direction加速Moving. 整个过程中, Typhoon 未Landfall任何陆地, 始终在海上活动, 最终 at 10月1日凌晨在29.8°N, 128.5°E附近减弱消散. 从坐标序列看, 其在高纬度地区 (25°N以N) During toward E回撤明显, 体现了中纬度W风带对typhoon track的显著牵引作用.
Jangmi的Intensity演变经历了快速增强, 巅峰维持及迅速减弱三个阶段. 从9月24日的Tropical Storm (18m/s, 996hPa) 起步, 系统在短短三天内爆发式增强, 至9月27日14时达到巅峰状态, 中心最低气压降至910hPa°E, max wind 高达65m/s, 确立为Super Typhoon等级. 值得注意的是, 其在910hPa的极低气压下维持了约9h (至27日23时) , 显示出极强的核心结构稳定性. 然而, 自9月28日起, 随着The latitude进一步增加及可能的垂直风切变增大, intensity 开始急剧下滑, 24h内wind speed从60m/s骤降至40m/s, 气压回升至955hPa. Go to 9月29日后, 减弱Trend持续, 最终降级为Nameless.
Its peak air pressure (910hPa) is far lower at 2026 Yangmi (970hPa), 2014 Yangmi (988hPa) and 2020 Yangmi (992hPa) .The latter peak intensity is only typhoon or tropical storm level, respectively, and 2008 Yangmi is rare Super Typhoon, indicating that the atmospheric environment of the year is more favorable at the deep coalescence development and energy accumulation of the tropical cyclone.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2008-09-24 20:00:00 | 12.1°N | 136.4°E | Tropical Storm | 18 | 996 | - |
| 2008-09-26 02:00:00 | 15.1°N | 130.3°E | Typhoon | 35 | 970 | NW |
| 2008-09-27 02:00:00 | 18.6°N | 127.2°E | Severe Typhoon | 50 | 935 | NW |
| 2008-09-27 17:00:00 | 21.1°N | 124.9°E | Super Typhoon | 65 | 910 | NW |
| 2008-09-27 22:00:00 | 21.5°N | 124.1°E | Super Typhoon | 65 | 910 | NW |
| 2008-09-28 03:00:00 | 21.8°N | 123.6°E | Super Typhoon | 65 | 910 | NW |
| 2008-09-28 08:00:00 | 22.7°N | 123.2°E | Severe Typhoon | 60 | 920 | NNW |
| 2008-09-28 13:00:00 | 23.7°N | 122.5°E | Super Typhoon | 60 | 920 | NNW |
| 2008-09-28 18:00:00 | 24.3°N | 121.6°E | Severe Typhoon | 48 | 940 | NW |
| 2008-09-28 23:00:00 | 24.5°N | 121.5°E | Severe Typhoon | 42 | 950 | NW |
| 2008-09-29 04:00:00 | 25°N | 121.1°E | Typhoon | 40 | 955 | NW |
| 2008-09-29 09:00:00 | 25.6°N | 121°E | Typhoon | 35 | 970 | N |
| 2008-09-29 14:00:00 | 26.5°N | 121.5°E | Severe Tropical Storm | 28 | 985 | NW |
| 2008-09-29 19:00:00 | 27.2°N | 121.5°E | Severe Tropical Storm | 28 | 985 | NNE |
| 2008-09-30 00:00:00 | 27.6°N | 122.2°E | Severe Tropical Storm | 25 | 985 | null |
| 2008-09-30 05:00:00 | 28°N | 122.9°E | Severe Tropical Storm | 25 | 985 | NE |
| 2008-09-30 10:00:00 | 29.1°N | 124°E | Tropical Storm | 23 | 990 | NE |
| 2008-09-30 15:00:00 | 29.6°N | 125.3°E | Tropical Storm | 23 | 990 | ENE |
| 2008-09-30 20:00:00 | 29.8°N | 126.4°E | Tropical Storm | 20 | 992 | ENE |
| 2008-10-01 02:00:00 | 29.8°N | 128.5°E | Nameless | 16 | 999 | NEE |
Sampled rows shown; all 95 track points are available on the interactive map or via the public API .
Typhoon Jangmi's international code is 200815, is 2008's 15th Typhoon, international name JANGMI.
Typhoon Jangmipeak intensity is Super Typhoon°E, max wind 65m/s, minimum Pressure 910 hPa.
According to records, Typhoon Jangmi is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Jangmi's Track history map, multinational meteorological agency Forecast comparison, wind circle range with IntensityTrend, page address: https://taifengshuo.com/typhoon/200815.
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