The SummaryTyphoon Dujuan (international code 200912) is a 2009 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 28m/s, minimum central pressure 980hPa, not in China Landfall, 2009-09-09 was numbered off, recording 23 track points.
Typhoon Dujuan, international code 200912, international name DUJUAN, 2009 Northwest Pacific typhoon. Formed: 2009-09-04 02:00:00, ended: 2009-09-09 14:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 980 hPa, max wind: 28m/s.
Typhoon Dujuan at 2009-09-04 02:00:00 at 17°N, 128.8°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Tropical Storm intensity with max winds of 28 m/s (~101 km/h) and a minimum central pressure of 980hPa, recorded at 2009-09-05 14:00:00.
2009-09-09 14:00:00 After, Typhoon Dujuan gradually weakened and was numbered off on 2009-09-09 14:00:00 was numbered off; its lifecycle recorded 23 track points.
2009年第12号Typhoon “Dujuan”的生命史始 at Northwest Pacific洋面, 整体路径呈现典型的抛物线型转 toward 特征. formed初期 (9月4日) , 系统位 at 17°N, 128.8°E附近, 主要受副热带高压S侧引导气流影响, 稳定 toward NW. 在9月4日至9月6日期间, Typhoon 中心The latitude从17°N迅速N抬至25.4°N, During由128.8°EE移至135.8°E, Moving速度较快且 direction相对恒定.
The key turn toward process occurred before September 7th. Data showed that on September 7th, from 02:00 to 08:00, the Typhoon center length occurred for a short W turn (from 136.1°E to 135.9°E), then at September 7th, from 20:00 again toward E acceleration. Go to September 8th, the system completely completed turn toward, the path turned to NE direction, and gradually accelerated the move.
In terms of Intensity changes, “Dujuan” underwent rapid enhancement,ining peak and slow decline in three stages. The initial stage is Tropical Storm level (18m/s) , With toward NWMoving, environmental conditions beneficial at its development, wind speed reached peak 28m/s on September 5th at 14:00, the central minimum air pressure dropped to 985hPa, and at the same day at 20:00 upgraded to Severe Tropical Storm. On September 6th at 02:00, Pressure further explored to the entire process’s lowest 980hPa, but Max Windined in the range of 25-28m/s, indicating its core structure is compact but the windfield range may be limited.
Its peak intensity is only Severe Tropical Storm, minimum pressure is 980hPa. In comparison, the same-name Typhoon in 2015 and 2003 both reached the Super Typhoon level, minimum pressure is lower to 925hPa and 916hPa respectively; even the weaker 2021 same-name Typhoon, its peak is only Tropical Storm (990hPa).
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2009-09-04 02:00:00 | 17°N | 128.8°E | Tropical Storm | 18 | 1000 | NE |
| 2009-09-04 14:00:00 | 18.5°N | 129.8°E | Tropical Storm | 20 | 992 | NE |
| 2009-09-05 02:00:00 | 19.2°N | 132.2°E | Tropical Storm | 23 | 990 | NE |
| 2009-09-05 14:00:00 | 21.2°N | 133.6°E | Tropical Storm | 28 | 985 | NE |
| 2009-09-06 02:00:00 | 23.7°N | 134.9°E | Severe Tropical Storm | 25 | 980 | NNE |
| 2009-09-06 14:00:00 | 25.4°N | 135.8°E | Severe Tropical Storm | 25 | 980 | NNE |
| 2009-09-07 02:00:00 | 27°N | 136.1°E | Severe Tropical Storm | 25 | 985 | NNE |
| 2009-09-07 14:00:00 | 27.9°N | 136.2°E | Severe Tropical Storm | 25 | 985 | NNE |
| 2009-09-08 02:00:00 | 29.3°N | 137.3°E | Severe Tropical Storm | 25 | 990 | NE |
| 2009-09-08 14:00:00 | 31.1°N | 140.3°E | Tropical Storm | 20 | 995 | NE |
| 2009-09-09 02:00:00 | 32.5°N | 145°E | Tropical Storm | 20 | 995 | NEE |
| 2009-09-09 14:00:00 | 35.1°N | 152.1°E | Tropical Storm | 20 | 995 | NE |
Sampled rows shown; all 23 track points are available on the interactive map or via the public API .
Typhoon Dujuan's international code is 200912, is 2009's 12th Typhoon, international name DUJUAN.
Typhoon Dujuan peak intensity is Severe Tropical Storm, max wind 28m/s, minimum central pressure 980 hPa.
According to records, Typhoon Dujuan is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dujuan's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/200912.
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Weather data: NASA GIBS / OpenWeatherMap / Open-Meteo / NOAA WW3, for reference only
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